CN204794931U - Miniature matching formula pulse modulator of high modulation depth - Google Patents
Miniature matching formula pulse modulator of high modulation depth Download PDFInfo
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- CN204794931U CN204794931U CN201520496212.3U CN201520496212U CN204794931U CN 204794931 U CN204794931 U CN 204794931U CN 201520496212 U CN201520496212 U CN 201520496212U CN 204794931 U CN204794931 U CN 204794931U
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Abstract
The utility model discloses a miniature matching formula pulse modulator of high modulation depth, which comprises an outer casing, be provided with printed circuit board in the shell body, the pad is connected to the last input terminal that is provided with of printed circuit board, the pad is connected to the VK terminal, output terminal connects the pad, still include the input terminal, the VK terminal, output terminal, still include the cable, input terminal connection pad passes through the connecting wire and is connected with the one end of cable, output terminal connects the pad and also is connected with printed circuit board's device through the connecting wire, the input terminal extends to in the first shield cover of partially insert in the shell body, first shield cover is located the input terminal and connects directly over the pad, output terminal extends to in the partially insert secondary shielding cover in the shell body, the secondary shielding cover is located output terminal and connects directly over the pad, the cable inserts in the first shield cover, the connecting wire of connecting input terminal connection pad is located first shield cover, the connecting wire of connecting output terminal connection pad passes secondary shielding cover back and is connected with the device.
Description
Technical field
The utility model relates to pulse modulator structure, specifically the miniature matched pulse modulator of the high modulation degree of depth.
Background technology
In the prior art, pulse modulator is generally reflective pulse modulator, and modulation depth is less than 90dB usually, and modulator control signal exports needs to have very large electric current, and this mode is when handheld device, and the restriction being subject to power consumption can not be widely used.
Utility model content
The purpose of this utility model is the miniature matched pulse modulator providing a kind of high modulation degree of depth, makes its space radiation lower than 100dB, thus reaches the modulation depth of more than 100dB.
The purpose of this utility model is achieved through the following technical solutions: the miniature matched pulse modulator of the high modulation degree of depth, comprise shell body, printed circuit board is provided with in shell body, printed circuit board is provided with input terminal and connects pad, VK Terminal connection pads, lead-out terminal connects pad, also comprise the input terminal through shell body, VK terminal, lead-out terminal, input terminal is connected pad conducting with input terminal, VK terminal and the conducting of VK Terminal connection pads, lead-out terminal is connected pad conducting with lead-out terminal, also comprise cable, input terminal is connected pad and is connected with one end of cable by connecting line, the other end of cable is also connected with the device of printed circuit board by connecting line, lead-out terminal is connected pad and is also connected with the device of printed circuit board by connecting line, also comprise the first radome and secondary shielding cover, input terminal extends in partial insertion first radome in shell body, first radome is positioned at input terminal and connects directly over pad, lead-out terminal extends in the partial insertion secondary shielding cover in shell body, secondary shielding cover is positioned at lead-out terminal and connects directly over pad, cable inserts in the first radome, the connecting line connecting input terminal connection pad is positioned at the first radome, the connecting line connecting lead-out terminal connection pad is connected with device through after secondary shielding cover.
The region of the utility model after lead-out terminal and input terminal enter shell body arranges radome, and radome is generally U-shaped crown cap, and reserved input/output port, its edge has weldability.After input terminal input signal, by the initiating terminal of cable transmission to device, after the process of device, signal outputs to output from the end of device, finally exports from lead-out terminal.
The miniature matched pulse modulator of the utility model design, when L-band, the space radiation of 1mm of being separated by is about 40dB.The present invention designs the miniature matched pulse modulator of a high modulation degree of depth, and its structure belongs to special compact, and its volume is 64mmX19mmX6.5mm, and input terminal and VK terminal, VK terminal (control end) are 6.5mm with the distance of lead-out terminal.So the method how increasing its modulation depth must be considered.
From circuit theory analysis, its electrical characteristics can meet the modulation depth requirement of more than 100dB completely, and analyze in actual circuit structure, its space radiation can reduce its modulation depth, therefore therein on circuit structure, metallic shield must be increased to reduce space radiation, make its space radiation lower than 100dB, thus reach the modulation depth of more than 100dB.Use the shielding character of radome, make miniature pulse modulator.Consider that cable is comparatively large on the impact of electromagnetism, therefore, cable of the present utility model inserts in the first radome, the electromagnetism of cable so just can be made to be shielded, significantly can reduce space radiation.
VK Terminal connection pads is connected with device by other electronic components.
Preferably, the rectangular tube that described first radome and secondary shielding cover are one end open, the other end is closed, its opening direction points to printed circuit board, and the open end of the first radome and secondary shielding cover all welds on a printed circuit board.
Preferably, described device is the metal wire of Curved.
Preferably, first radome and secondary shielding cover are provided with the first hole and the second hole, input terminal is through the first hole of the first radome, cable is through the second hole of the first radome, lead-out terminal inserts the first hole of secondary shielding cover, connects second hole of connecting line through secondary shielding cover that lead-out terminal connects pad.
The utility model has the advantage of: make simply, convenient, cost is low, applied widely.Be applicable to the generation of the pulse signal of wireless device.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model does not arrange radome.
Fig. 2 is the structural representation that the utility model arranges radome.
Fig. 3 is the structural representation of the first radome and secondary shielding cover.
Fig. 4 is the side-looking structural representation of the first radome and secondary shielding cover.
Reference numeral in figure is expressed as: 1, shell body, and 2, cable, 3, printed circuit board, 4, input terminal, 5, VK terminal, 6, lead-out terminal, the 7, first radome, 8, secondary shielding cover, 9, the first hole, the 10, second hole, 41, input terminal connect pad, 51, VK Terminal connection pads, 61, lead-out terminal connect pad.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As Figure 1-Figure 4.
The miniature matched pulse modulator of the high modulation degree of depth, comprise shell body 1, printed circuit board 3 is provided with in shell body, printed circuit board 3 is provided with input terminal and connects pad 41, VK Terminal connection pads 51, lead-out terminal connects pad 61, also comprise the input terminal 4 through shell body, VK terminal 5, lead-out terminal 6, input terminal 4 is connected pad 41 conducting with input terminal, VK terminal 5 and VK Terminal connection pads 51 conducting, lead-out terminal 6 is connected pad 61 conducting with lead-out terminal, also comprise cable 2, input terminal is connected pad 41 and is connected by connecting line one end with cable 2, the other end of cable 2 is also connected with the device of printed circuit board by connecting line, lead-out terminal is connected pad 61 and is also connected with the device of printed circuit board by connecting line, also comprise the first radome 7 and secondary shielding cover 8, input terminal 4 extends in partial insertion first radome 7 in shell body 1, first radome 7 is positioned at input terminal and connects directly over pad 41, lead-out terminal 6 extends in the partial insertion secondary shielding cover 8 in shell body 1, secondary shielding cover 8 is positioned at lead-out terminal and connects directly over pad 61, cable 2 inserts in the first radome 7, the connecting line connecting input terminal connection pad 41 is positioned at the first radome 7, the connecting line connecting lead-out terminal connection pad 61 is connected with device through after secondary shielding cover 8.
The region of the utility model after lead-out terminal and input terminal enter shell body arranges radome, and radome is generally U-shaped crown cap, and reserved input/output port, its edge has weldability.After input terminal input signal, by the initiating terminal of cable transmission to device, after the process of device, signal outputs to output from the end of device, finally exports from lead-out terminal.
The miniature matched pulse modulator of the utility model design, when L-band, the space radiation of 1mm of being separated by is about 40dB.The present invention designs the miniature matched pulse modulator of a high modulation degree of depth, and its structure belongs to special compact, and its volume is 64mmX19mmX6.5mm, and the distance of input terminal and VK terminal, VK Terminal control end and lead-out terminal is 6.5mm.So the method how increasing its modulation depth must be considered.
From circuit theory analysis, its electrical characteristics can meet the modulation depth requirement of more than 100dB completely, and analyze in actual circuit structure, its space radiation can reduce its modulation depth, therefore therein on circuit structure, metallic shield must be increased to reduce space radiation, make its space radiation lower than 100dB, thus reach the modulation depth of more than 100dB.Use the shielding character of radome, make miniature pulse modulator.
VK Terminal connection pads 51 is connected with device by other electronic components.
Preferably, the rectangular tube that described first radome 7 and secondary shielding cover 8 are one end open, the other end is closed, the open end that its opening direction points to printed circuit board 3, first radome 7 and secondary shielding cover 8 is all welded on printed circuit board 3.
Preferably, described device is the metal wire of Curved.
Preferably, first radome 7 and secondary shielding cover 8 are provided with the first hole 9 and the second hole 10, input terminal is through the first hole of the first radome 7, cable 2 is through the second hole of the first radome 7, lead-out terminal inserts the first hole of secondary shielding cover 8, connects second hole of connecting line through secondary shielding cover 8 that lead-out terminal connects pad 61.
As mentioned above, then well the utility model can be realized.
Claims (4)
1. the miniature matched pulse modulator of the high modulation degree of depth, it is characterized in that: comprise shell body (1), printed circuit board (3) is provided with in shell body, printed circuit board (3) is provided with input terminal and connects pad (41), VK Terminal connection pads (51), lead-out terminal connects pad (61), also comprise the input terminal (4) through shell body, VK terminal (5), lead-out terminal (6), input terminal (4) is connected pad (41) conducting with input terminal, VK terminal (5) and VK Terminal connection pads (51) conducting, lead-out terminal (6) is connected pad (61) conducting with lead-out terminal, also comprise cable (2), input terminal is connected pad (41) and is connected by connecting line one end with cable (2), the other end of cable (2) is also connected with the device of printed circuit board by connecting line, lead-out terminal is connected pad (61) and is also connected with the device of printed circuit board by connecting line, also comprise the first radome (7) and secondary shielding cover (8), input terminal (4) extends in partial insertion first radome (7) in shell body (1), first radome (7) is positioned at input terminal and connects directly over pad (41), lead-out terminal (6) extends in the partial insertion secondary shielding cover (8) in shell body (1), secondary shielding cover (8) is positioned at lead-out terminal and connects directly over pad (61), cable (2) inserts in the first radome (7), the connecting line connecting input terminal connection pad (41) is positioned at the first radome (7), the connecting line connecting lead-out terminal connection pad (61) is connected with device afterwards through secondary shielding cover (8).
2. the miniature matched pulse modulator of the high modulation degree of depth according to claim 1, it is characterized in that: the rectangular tube that described first radome (7) and secondary shielding cover (8) are one end open, the other end is closed, its opening direction points to printed circuit board (3), and the open end of the first radome (7) and secondary shielding cover (8) is all welded on printed circuit board (3).
3. the miniature matched pulse modulator of the high modulation degree of depth according to claim 1, is characterized in that: described device is the metal wire of Curved.
4. the miniature matched pulse modulator of the high modulation degree of depth according to claim 1, it is characterized in that: the first radome (7) and secondary shielding cover (8) are provided with the first hole (9) and the second hole (10), input terminal is through the first hole of the first radome (7), cable (2) is through the second hole of the first radome (7), lead-out terminal inserts the first hole of secondary shielding cover (8), connects second hole of connecting line through secondary shielding cover (8) that lead-out terminal connects pad (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496212.3U CN204794931U (en) | 2015-07-10 | 2015-07-10 | Miniature matching formula pulse modulator of high modulation depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496212.3U CN204794931U (en) | 2015-07-10 | 2015-07-10 | Miniature matching formula pulse modulator of high modulation depth |
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| Publication Number | Publication Date |
|---|---|
| CN204794931U true CN204794931U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520496212.3U Active CN204794931U (en) | 2015-07-10 | 2015-07-10 | Miniature matching formula pulse modulator of high modulation depth |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915067A (en) * | 2023-09-14 | 2023-10-20 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
-
2015
- 2015-07-10 CN CN201520496212.3U patent/CN204794931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915067A (en) * | 2023-09-14 | 2023-10-20 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
| CN116915067B (en) * | 2023-09-14 | 2024-02-06 | 深圳市首航新能源股份有限公司 | String inverter and power management system |
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