CN103378869B - Transceiver sharing multi-winding transformer - Google Patents
Transceiver sharing multi-winding transformer Download PDFInfo
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- CN103378869B CN103378869B CN201210123973.5A CN201210123973A CN103378869B CN 103378869 B CN103378869 B CN 103378869B CN 201210123973 A CN201210123973 A CN 201210123973A CN 103378869 B CN103378869 B CN 103378869B
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Abstract
The invention discloses a transceiver sharing a multi-winding transformer. The transceiver sharing the multi-winding transformer comprises the multi-winding transformer, a power amplifier and a low-noise amplifier. The multi-winding transformer comprises a first winding, a second winding and a third winding. The first winding, the second winding and the third winding surround one another and are independent to one another. The power amplifier is coupled to the multi-winding transformer. The low-noise amplifier is coupled to the multi-winding transformer. When the transceiver is in the transmission mode, the multi-winding transformer is used for transforming a transmission signal from the power amplifier and transmitting the transmission signal through an antenna. When the transceiver is in the receiving mode, the multi-winding transformer is used for transforming a receiving signal from the antenna and outputting the receiving signal to the low-noise amplifier. According to the transceiver sharing the multi-winding transformer, the multi-winding transformer can be utilized for reducing the area and achieving good matching, therefore, the cost is reduced, and the efficiency is improved.
Description
Technical field
The invention relates to a kind of transceiver, refer to a wireless communication transceiver of a shared multi winding transformer especially.
Background technology
In the application of wireless telecommunications, three formants of system are transmitter, antenna and receiver.Generally speaking, wireless signal transmitted in atmosphere all belongs to monofocal signal (single-ended signal), and the difference channel of transmitter inside belongs to differential type signal (differential signal), therefore transmitter must convert the differential type signal of its inside to monofocal signal, can be sent in air via antenna again; On the other hand, after the monofocal signal that antenna then must receive and transmit by receiver first converts differential signal to, the low noise amplifier (low noise amplifier, LNA) in it can be transferred to use.The operation of this type of signal conversion is realized by balance-unbalanced (balanced to unbalanced, balun) transformer, and transmission ends and receiving terminal each tool one transformer device, will quite large chip area be taken if realize on chip.
Along with integrated circuit technology is toward system-on-a-chip (system on chip, SoC) future development, integrated type transformer has replaced traditional separate type (discrete) transformer, and is widely used in radio frequency integrated circuit (RFIC).But, the passive component in integrated circuit, such as the transformer of inductor or its composition, often takies quite large chip area; Therefore, reduce the quantity of passive component and the area of its use in transceiver integrated circuit is important technical task always.
Summary of the invention
Therefore, the present invention proposes one of a kind of object and is to propose to share the transceiver (transceiver) of an integrated form multi winding transformer at receiving terminal with transmission end, successfully can connect the low noise amplifier of receiving terminal and the power amplifier of transmission end thus, reach matched well, and significantly reduce chip area and there is good usefulness.
According to one embodiment of the invention, it provides a kind of transceiver, and be formed on an ic substrate, it comprises: a multi winding transformer, its comprise mutually around and independently one first winding, one second winding and a tertiary winding; One power amplifier, is coupled to this multi winding transformer; And a low noise amplifier, be coupled to this multi winding transformer transceiver; Wherein, when transfer mode, this multi winding transformer in order to change the transmission signal from this power amplifier, and passes through an antenna transmission; And when receiving mode, this multi winding transformer in order to change the Received signal strength from this antenna, and exports this low noise amplifier to.
According to one embodiment of the invention, it provides a kind of transceiver, and it comprises: a multi winding transformer, is formed on an ic substrate, its comprise mutually around and independently one first winding, one second winding and a tertiary winding; One power amplifier, is coupled to this multi winding transformer; And a low noise amplifier, be coupled to this multi winding transformer; Wherein, this multi winding transformer changes the differential type transmission signal from this power amplifier into a monofocal transmission signal; This multi winding transformer changes a monofocal Received signal strength into a differential type Received signal strength, and exports this low noise amplifier to.
Transceiver of the present invention can utilize multi winding transformer reduce area and reach matched well, and then reduces costs and improve usefulness.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of transceiver according to an embodiment of the invention.
Fig. 2 A is the winding line layout of this integrated transformer according to the present embodiment.
The sectional structure chart of Fig. 2 B for obtaining along A-A ' straight line according to the embodiment of Fig. 1.
Fig. 2 C is the configuration figure of the first winding according to Fig. 2 A embodiment.
Fig. 2 D is the configuration figure of the second winding according to Fig. 2 A embodiment.
Fig. 2 E is the configuration figure of the tertiary winding according to Fig. 2 A embodiment.
Fig. 3 is the transceiver circuit schematic diagram of the first example according to the present embodiment, and wherein this low noise amplifier is common-gird circuit structure.
Fig. 4 is the transceiver circuit schematic diagram of the second example according to the present embodiment, and wherein this low noise amplifier is common-source circuits structure.
Wherein, description of reference numerals is as follows:
100 transceivers
10 substrates/chip
20 sandwich constructions
201 ground floors
203 second layers
202 insulating barriers
110 multi winding transformers
112 first windings
Tap in 113 first
114 second windings
116 tertiary windings
Tap in 117 second
P
1 +/ P
2 +the anode connection terminal of transformer
P
1 -/ P
2 -the negative pole link of transformer
S
1 +/ S
2 +the anode connection terminal of transformer secondary coil
S
1 -/ S
2 -the negative pole link of transformer secondary coil
120 power amplifiers
V
dddC power supply
130/131/132 low noise amplifier
V
bbias voltage
140 antennas
Embodiment
Describe in detail hereinafter with reference to accompanying drawing and feature of the present invention, object, function are described, and reaching used technological means.
Fig. 1 is the circuit diagram of transceiver according to an embodiment of the invention.This transceiver 100 can be connected to an antenna 140, and the mode of operation of this transceiver 100 can switch between transmission and receiving mode.This transceiver 100 can integratedly by integrated circuit technology be formed on wafer or substrate, and it comprises multi winding transformer 110, power amplifier 120 and a low noise amplifier 130.This multi winding transformer 110 for having the balance-unbalanced transformer of multiple winding, with to provide in communication system the formal transformation of use signal.
Fig. 2 A is the winding line layout of this multi winding transformer 110 according to the present embodiment, and the sectional structure chart of Fig. 2 B for obtaining along A-A ' straight line according to the embodiment of Fig. 2 A.In the present embodiment, this multi winding transformer 110 is formed in the metal level of in the sandwich construction on semiconductor substrate 10 20, its comprise mutually around and independently one first winding 112,1 second winding 114 and the tertiary winding 116, to form the transformer with three windings.Wherein first, second and third winding mutually around and form a multiple secondary winding.In another embodiment; this transformer 110 separately can comprise a guard ring (guard ring) 70; this guard ring 70 is preferably the guard ring of a stacking-type; also the guard ring be namely made up of multiple layer metal material; be formed at the sandwich construction 20 of this multiple secondary winding periphery with substrate 10; in order to by the electromagnetic action of this transformer 110 or the isolation of noise, and reduce mutually electrically affecting of other inter-module outside described winding and this guard ring.
This first winding 112 is be arranged in a ground floor 201 of this sandwich construction 20 substantially.This first winding 112 can be coil (coil) structure of multi-turn (turn) number; With the configuration figure of this first winding 112 shown in Fig. 2 C, this first winding 112 can comprise multi-turn number and tap (center tap) 113 in the first coil be wound around mutually, two links and one first.Between the circuit of this first coil, except bridging part intersected with each other, be parallel to each other substantially.This first coil is at above-mentioned bridging part, the conductive coil of this part can be adjusted or wire jumper toward the upper of this metal level or lower floor in the mode of bridge joint, to keep the continuous of this first winding 112 coil tracks, be namely spatially separated from each other between this first coil and do not form short circuit.In order to improve the closeness of coil pattern, can be similar spiral helicine mutual wound form line pattern between this first coil.This in first tap 113 be the tap of the coil central authorities place pull-out of this first winding 112, for the use of differential type signal; This in first the lead direction of tap 113 can be form 0 degree, 90 degree, 180 degree with the link of this first winding 112 or other is suitable arbitrarily angled, be convenient to connect outside circuit with shortest path; And in first tap 113 also can utilize the mode of wire jumper make its not with the other parts short circuit of bridging part or coil.
This second winding 114 is also substantially be arranged in this ground floor 201 of this sandwich construction, is namely arranged in same layer with this first winding 112.This second winding 114 can be the loop construction of multi-turn number; With the configuration figure of this second winding 114 shown in Fig. 2 D, this second winding 114 can comprise multi-turn number and the second coil be wound around mutually and two links.The configuration of this second winding 114 is similar to the description of previous paragraphs for this first winding 112, does not repeat them here.Wherein, the line pattern of this first winding 112 and this second winding 114 is essentially square or rectangle; But not as limit, also can circular, octagon or other shape, be beneficial to mate, outlet or increase the application of space and chip area.
This first winding 112 is in fact be arranged in same layer metal level (this ground floor 201) with this second winding 114, its objective is the electromagnetic coupled in order to make to be formed horizontal side (lateral) direction between the two, to form the operating function providing transformer or the transition operation of carrying out signal.Therefore, the line pattern of this first winding 112 and this second winding 114 is spatially disconnected from each other and is parallel to each other substantially, but the coil number of this first coil can be different from the coil number of this second coil, with the coil number ratio (turn ratio) of elementary (primary)/secondary (secondary) providing transformer suitable according to actual demand; And the coil number of this second winding 114 also can be more than the coil number of this first winding 112, the top outer coil of this second winding 114 also can be peripheral at this first winding 112.In addition, in order to improve the efficiency of electromagnetic coupled, the setting referring to an alternating expression (inter-digital) can be formed between first and second coil described of the present embodiment, as shown in Figure 1, and contribute to forming the most intensive coil pattern on minimum chip area.Wherein, may there is cross-coupled part with the line pattern of this second winding 114 in this first winding 112, also as previously mentioned and by the mode of wire jumper, and separately this first winding 112 and this second winding 114.
This tertiary winding 116 is arranged in this second layer 203 of this sandwich construction substantially, namely be positioned at different metal levels from this first winding 112 and this second winding 114, and an insulating barrier 202 can be arranged between this ground floor and the second layer, spatially to separate this ground floor 201 and this second layer 203.This tertiary winding 116 can be the loop construction of multi-turn number; The configuration figure of this tertiary winding 116 as shown in Figure 2 E, this tertiary winding 116 can comprise multi-turn number and tap 117 in the tertiary coil be wound around mutually, two links and one second.The configuration pattern of this tertiary winding 116 is also similar to the description of previous paragraphs for this first winding 112, does not repeat them here.The line pattern of this tertiary winding 116 can be same or different from the line pattern of this first winding 112, but the lead direction of this tertiary winding 116 link can rotate a specific angle with the link of the first winding 112, so that the link of winding I/O connects other circuit upper with shortest path, and the parasitic element that can reduce transmission line is beneficial to the optimization of wiring.As shown in Figure 2 A, the line pattern of this tertiary coil and this second coil is the electromagnetic coupled in order to make to be formed vertical (vertical) direction between the two, to form another transformer, and can carry out the transformation of signal.The line pattern inverse clock 90-degree rotation that this tertiary winding 116 shown in Fig. 2 E is this first winding 112 shown in Fig. 2 C; But not as limit, also other suitable angle rotatable.The line pattern of this tertiary winding 116 and this first winding 112, spatially disconnected from each other, and except link, middle tap and bridge joint or cross section, substantially be parallel to each other, and the described 3rd of the present embodiment the and First Line circle be up and down overlapping setting substantially, as shown in Figure 1, but not as limit, also can have displacement a little mutually between the two or be only partly overlap or non-central symmetry circuit arrange.This in second tap 117 are taps of the coil central authorities place pull-out for this tertiary winding 116, for the use of differential type signal, the arrangement of its position, direction also can be form 90 degree, 180 degree with the link of this tertiary winding 116 or other is suitable arbitrarily angled.
As shown in figs. 2 a and 2b, this second winding 114 and this tertiary winding 116 overlook the position be projected on this substrate 10, and the top outer coil being positioned at this first winding 112 is overlooked within the position that is projected on this substrate 10; That is, the layout of this first winding 112 can around the layout of this second winding 114 and this tertiary winding 116; Also namely wherein there is the outmost turns coil of a winding can around the coil of another two windings.In addition, in the profile of Fig. 2 B, this second layer 203 is the tops being positioned at this ground floor 201; But not as limit, this second layer 203 also can be positioned at the below of this ground floor 201, also namely the tertiary winding 116 also can be positioned at the below of the first winding 112.And the tertiary winding 116 also can utilize two-layer above metal to be formed at above or below the first winding 112.First winding 112 and the second winding 114 also can utilize two-layer above metal to be formed.And in certain embodiments, the electromagnetic coupled between this first winding 112, this second winding 114 and this tertiary winding 116 can be vertical coupled or level coupling wholly or in part.
Therefore, Fig. 2 A is depicted as the transformer that has three windings, and its equivalent circuit diagram can paint formula in the dotted line frame of this multi winding transformer 110 square of Fig. 1.This first winding 112, this second winding 114 and this tertiary winding 116 in layout be mutually around and independent.This first winding 112 and this second winding 114 by horizontal side to electromagnetic coupled and form the first transformer, this first winding 112 is as the primary coil of this first transformer, and its anode connection terminal is P
1 +and negative pole link is P
1 -, and this second winding 114 is as the secondary coil of this first transformer, its anode connection terminal is S
1 +and negative pole link is S
1 -.Because this first winding 112 has this tap 113 in first, this first transformer can convert the differential type signal that the difference channel of wireless telecommunication system in transmitter inside operates to transmit in atmosphere monofocal signal.On the other hand, this second winding 114 and this tertiary winding 116 form the second transformer by the electromagnetic coupled of vertical direction, and this second winding 114 is also as the primary coil of this second transformer, and its anode connection terminal is P
2 +and negative pole link is P
2 -, and this tertiary winding 116 is as the secondary coil of this second transformer, its anode connection terminal is S
2 +and negative pole link is S
2 -.Wherein, this second winding 114 can be this first and second transformer share.Because this tertiary winding 116 has this tap 117 in second, this second transformer can convert monofocal signal to differential type signal; Thus, receiver after receiving the monofocal signal transmitted from antenna, can convert it to differential type signal with this second transformer, and transfers to low noise amplifier to use.That is, this multi winding transformer 110 can realize the operation of balance-unbalanced transformer, to be applied to reception and the transmission of wireless communication signal.In addition, the lead direction of each transformer link can coil connecting terminal secondary with it with 180 degree, 90 degree, 45 degree or other suitable position arrangement at any angle, so that the link of winding I/O connects upper active circuits with shortest path, and the parasitic element that can reduce transmission line is beneficial to the optimization of wiring.
As shown in Figure 1, the primary coil of this first transformer connects this power amplifier 120, and next level connects this antenna 140; That is, two links of this first winding 112 are connected to this power amplifier 120, and two links of this second winding 114 are connected to this antenna 140, and its negative pole link S
1 -ground connection.In addition, a primary coil (being same as the secondary coil of this first transformer) of this second transformer connects this antenna 140, and next level connects this low noise amplifier 130; That is, two links of this second winding 114 are connected to this antenna 140, and two links of this tertiary winding 116 are connected to this low noise amplifier 130.
In the present embodiment, because this first winding 112 and this second winding 114 are arranged in the same layer of sandwich construction, can carry out horizontal side to electromagnetic coupled, to carry out the transformation of signal; And this first winding 112 has this, and tap 113 can for this power amplifier 120 in first.On the other hand, this second winding 114 and this tertiary winding 116 are arranged in the different layers of sandwich construction, can carry out the electromagnetic coupled of vertical direction, to carry out the transformation of signal; And this tertiary winding 116 has this, and tap 117 can for this low noise amplifier 130 in second.Therefore, this integrated transformer 110 for have two spatially independently in the balance-unbalanced transformer of tap.
The circuit operation of the wireless transceiver of the present embodiment is below described.When this transceiver operations is in transmission mode, this multi winding transformer 110 in order to change the transmission signal from this power amplifier 120, and is outwards sent by this antenna 140; Such as, utilize the first transformer of this first winding 112 and this second winding 114 composition to change this transmission signal.This first winding 112 is as the differential type coil of this first primary, this second winding 114 is as the monofocal coil of this first transformer secondary output, the differential type signal of this power amplifier 120 is converted to monofocal signal via this first transformer, then exports this antenna 140 to and outwards send.On the other hand, when this transceiver operations is in receiving mode, this multi winding transformer 110 also in order to change the Received signal strength accepted from this antenna 140, and exports this low noise amplifier 130 to; Such as, utilize the second transformer of this second winding 114 and this tertiary winding 116 composition to change this Received signal strength.This second winding 114 is as the monofocal coil of this second primary, this tertiary winding 116 is as the differential type coil of this second transformer secondary output, monofocal signal from this antenna 140 is converted to differential type signal, to be supplied to this low noise amplifier 130 as its input signal via this second transformer.In this structure, because the winding coil being coupled to this power amplifier 120 and this low noise amplifier 130 is spatially separately independently, when the circuit layout both designing, optimization can be carried out respectively for the circuit characteristic of this power amplifier 120 and this low noise amplifier 130, and by the coil number ratio between each winding, the impedance of this antenna 140 is first converted respectively to its optimum impedance for this first and second transformer.In addition, the live width of each winding also can adjust for the noise figure (noise figure) of this low noise amplifier 130 and the power density of this power amplifier 120 respectively.
In the present embodiment, this low noise amplifier 130 can adopt the circuit structure of common gate (common gate) or common source (common source).Fig. 3 is the transceiver circuit schematic diagram of the first example according to the present embodiment, and wherein this low noise amplifier 131 is the circuit structure of common gate.This DC that tap 113 is connected to this power amplifier 120 in first answers power supply V
dd; Wherein, V
ddvoltage range need apply depending on power amplifier, and this in second tap 117 be connected to ground connection, to provide the current earthing path of this low noise amplifier 131, the shortcoming that existing balance-unbalanced transformer cannot connect the low noise amplifier of common gate configuration can be improved.Low noise amplifier due to common gate configuration has the characteristic of Broadband Matching (broadband matching), and this kind of structure does not need additionally to add matching component on a printed circuit, is conducive to the reduction of manufacturing cost.
On the other hand, Fig. 4 is the transceiver circuit schematic diagram of the second example according to the present embodiment, and wherein this low noise amplifier 132 is the circuit structure of common source, and to have a bias voltage be V
binput transistors, voltage V
bbe connected to input crystal tube grid by this multi winding transformer 100, to determine its bias voltage, its voltage range is depending on the demand of amplifier circuit in low noise or application.This DC that tap 113 is connected to this power amplifier 120 in first answers power supply V
dd, and this in second tap 117 be connected to this bias voltage V of this low noise amplifier 132
b; Thus, at least can save two ac coupling capacitors (AC coupling capacitor), thus save chip manufacturing area and the cost of assembly.
In the present embodiment, the different metal layer of sandwich construction is arranged in owing to being connected to this power amplifier 120 and the winding coil of this low noise amplifier 130 as this integrated transformer 110 of balance-unbalanced transformer, so the link port of described winding coil I/O can be designed to different lead direction on integrated circuit layout, such as, as the link spatially angle 90 degree or vertical mutually of this tertiary winding 116 and this first winding 112 of this integrated transformer 110 of Fig. 1 or this second winding 114; Thus, the cabling being connected to this power amplifier 120 and this low noise amplifier 130/131/132 can not intersect, and be conducive to the optimization of integrated circuit layout.
In addition, in the transceiver of another embodiment, also can be that this multi winding transformer 110 forms separately a brilliant transformer carrying formula (on-chip), and be formed on an ic substrate.This power amplifier 120 and this low noise amplifier 130 are respectively the assembly of discrete type (discrete), and are assembled into together with this transformer 110 transceiver had as above-described embodiment function on circuit board.Refer to the description of previous embodiment about this transformer 110, this power amplifier 120 and this low noise amplifier 130, do not repeat them here.
According to the above embodiments and explanation, transceiver of the present invention can utilize multi winding transformer reduce area and reach matched well, and then reduces costs and improve usefulness.But as described above, be only preferred embodiment of the present invention, when can not in order to limit the scope of the invention.
Claims (24)
1. a transceiver, be formed on an ic substrate, it is characterized in that, it comprises:
One multi winding transformer, its comprise mutually around and independently one first winding, one second winding and a tertiary winding;
One power amplifier, is coupled to this multi winding transformer; And
One low noise amplifier, be coupled to this multi winding transformer, and the winding coil being coupled to this power amplifier and this low noise amplifier is spatially independent separately, the coil number ratio adjusted between this first winding, the second winding and the tertiary winding according to the circuit characteristic of this power amplifier and this low noise amplifier when circuit layout carries out optimization;
Wherein, when transfer mode, this multi winding transformer in order to change the transmission signal from this power amplifier, and passes through an antenna transmission; And when receiving mode, this multi winding transformer in order to change the Received signal strength from this antenna, and exports this low noise amplifier to.
2. transceiver as claimed in claim 1, it is characterized in that, this multi winding transformer utilizes this first and second winding to change this transmission signal, and utilizes this second and third winding to change this Received signal strength.
3. transceiver as claimed in claim 1, is characterized in that, this first and second winding utilizes and side-coupledly changes this transmission signal.
4. transceiver as claimed in claim 3, is characterized in that, this second and third winding utilizes and vertical coupledly changes this Received signal strength.
5. transceiver as claimed in claim 1, it is characterized in that, this multi winding transformer utilizes this first and second winding to change this transmission signal into a monofocal signal by a differential type signal, to pass through this antenna transmission.
6. transceiver as claimed in claim 5, it is characterized in that, this multi winding transformer utilizes this second and third winding to convert this Received signal strength to a differential type signal by a monofocal signal, and exports this low noise amplifier to.
7. transceiver as claimed in claim 1, is characterized in that, this first and the tertiary winding in there is tap respectively in.
8. transceiver as claimed in claim 1, it is characterized in that, at the layout of this multi winding transformer, a winding in this first, second and third winding is around two other winding in this first, second and third winding.
9. transceiver as claimed in claim 1, is characterized in that, also comprise: this first, second and third winding mutually around and form a multiple secondary winding, it is peripheral that a guard ring is formed at this multiple secondary winding.
10. transceiver as claimed in claim 9, it is characterized in that, this guard ring is a stacking-type guard ring structure.
11. transceivers as claimed in claim 1, it is characterized in that, two links of this first winding are connected to this power amplifier, two links of this second winding are connected to this antenna, and two links of this tertiary winding are connected to this low noise amplifier.
12. transceivers as claimed in claim 1, is characterized in that, this first winding and this second winding are arranged in the same layer of the sandwich construction of this ic substrate, with carry out horizontal side to electromagnetic coupled; This second winding and this tertiary winding are arranged in the different layers of this sandwich construction, to carry out the electromagnetic coupled of vertical direction.
13. transceivers as claimed in claim 1, is characterized in that, this low noise amplifier adopts common gate or the circuit structure of common source.
14. 1 kinds of transceivers, is characterized in that, comprising:
One multi winding transformer, is formed on an ic substrate, its comprise mutually around and independently one first winding, one second winding and a tertiary winding;
One power amplifier, is coupled to this multi winding transformer; And
One low noise amplifier, be coupled to this multi winding transformer, and the winding coil being coupled to this power amplifier and this low noise amplifier is spatially independent separately, the coil number ratio adjusted between this first winding, the second winding and the tertiary winding according to the circuit characteristic of this power amplifier and this low noise amplifier when circuit layout carries out optimization;
Wherein, this multi winding transformer changes the differential type transmission signal from this power amplifier into a monofocal transmission signal; This multi winding transformer changes a monofocal Received signal strength into a differential type Received signal strength, and exports this low noise amplifier to.
15. transceivers as claimed in claim 14, is characterized in that, this multi winding transformer utilizes this first and second winding to change this transmission signal, and utilize the utilization of this second and third winding to change this Received signal strength.
16. transceivers as claimed in claim 15, it is characterized in that, this first and second winding is formed in identical metal level.
17. transceivers as claimed in claim 16, it is characterized in that, this second winding is formed in different metal levels from this tertiary winding.
18. transceivers as claimed in claim 14, is characterized in that, this first and the tertiary winding in there is tap respectively in.
19. transceivers as claimed in claim 15, is characterized in that, this second and third winding overlook top outer coil that the position being projected to this substrate is positioned at this first winding overlook be projected to this substrate position within.
20. transceivers as claimed in claim 14, is characterized in that, also comprise: this first, second and third winding mutually around and form a multiple secondary winding, it is peripheral that a guard ring is formed at this multiple secondary winding.
21. transceivers as claimed in claim 20, is characterized in that, this guard ring is a stacking-type guard ring structure.
22. transceivers as claimed in claim 14, it is characterized in that, two links of this first winding are connected to this power amplifier, two links of this second winding are connected to antenna, and two links of this tertiary winding are connected to this low noise amplifier.
23. transceivers as claimed in claim 14, is characterized in that, this first winding and this second winding are arranged in the same layer of the sandwich construction of this ic substrate, with carry out horizontal side to electromagnetic coupled; This second winding and this tertiary winding are arranged in the different layers of this sandwich construction, to carry out the electromagnetic coupled of vertical direction.
24. transceivers as claimed in claim 14, is characterized in that, this low noise amplifier adopts common gate or the circuit structure of common source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210123973.5A CN103378869B (en) | 2012-04-25 | 2012-04-25 | Transceiver sharing multi-winding transformer |
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|---|---|---|---|
| CN201210123973.5A CN103378869B (en) | 2012-04-25 | 2012-04-25 | Transceiver sharing multi-winding transformer |
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| CN103378869A CN103378869A (en) | 2013-10-30 |
| CN103378869B true CN103378869B (en) | 2015-06-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104079317B (en) * | 2014-07-21 | 2016-06-29 | 无锡中感微电子股份有限公司 | wireless duplex transceiver |
| US10355741B2 (en) * | 2017-10-31 | 2019-07-16 | Shenzhen GOODIX Technology Co., Ltd. | System and method for bi-directional radio communication |
| CN108702169B (en) * | 2017-10-31 | 2020-11-20 | 深圳市汇顶科技股份有限公司 | System and method for two-way wireless communication |
| US11158936B2 (en) * | 2019-05-31 | 2021-10-26 | Texas Instruments Incorporated | Transmit-receive port for half-duplex transceivers |
| JP2021016107A (en) * | 2019-07-12 | 2021-02-12 | 株式会社村田製作所 | Transmission/reception module |
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|---|---|---|---|---|
| CA2371945A1 (en) * | 1999-05-24 | 2000-11-30 | Level One Communications, Inc. | Antenna interface |
| CN101730918A (en) * | 2007-05-08 | 2010-06-09 | 斯卡尼梅特里科斯有限公司 | Ultra high speed signal transmission/reception |
| CN102340322A (en) * | 2010-07-26 | 2012-02-01 | 瑞昱半导体股份有限公司 | Wireless transceiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080026689A1 (en) * | 2006-07-27 | 2008-01-31 | Paul Johnson | System for simultaneously communicating and jamming other RF signals |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2371945A1 (en) * | 1999-05-24 | 2000-11-30 | Level One Communications, Inc. | Antenna interface |
| TW466839B (en) * | 1999-05-24 | 2001-12-01 | Level One Communications Inc | Antenna interface |
| CN101730918A (en) * | 2007-05-08 | 2010-06-09 | 斯卡尼梅特里科斯有限公司 | Ultra high speed signal transmission/reception |
| CN102340322A (en) * | 2010-07-26 | 2012-02-01 | 瑞昱半导体股份有限公司 | Wireless transceiver |
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