CN210899457U - Television Bluetooth infrared data receiving circuit - Google Patents
Television Bluetooth infrared data receiving circuit Download PDFInfo
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- CN210899457U CN210899457U CN201921711661.XU CN201921711661U CN210899457U CN 210899457 U CN210899457 U CN 210899457U CN 201921711661 U CN201921711661 U CN 201921711661U CN 210899457 U CN210899457 U CN 210899457U
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Abstract
The utility model provides a TV bluetooth infrared data receiving circuit, including BK343IQ main chip and the wireless terminal test circuit who is connected with BK343IQ main chip respectively, first inductance circuit, first quartz crystal syntonizer circuit, second inductance circuit, first capacitance circuit, second capacitance circuit, third inductance circuit, first transient state voltage suppression diode circuit and second transient state voltage suppression diode circuit; the first inductance circuit is connected with a VCCIF interface of the BK343IQ main chip; the first quartz crystal resonator circuit is connected with XTAL0 and XTAL1 interfaces of a BK343IQ main chip, and in the actual operation process, the Bluetooth infrared data receiving circuit is responsible for receiving television Bluetooth infrared data and transmitting status instructions, and transmits the received infrared data through the infrared transmitting circuit, so that the control of the set-top box equipment is realized.
Description
[ technical field ]
The utility model relates to an infrared data receiving circuit technical field especially relates to a TV bluetooth infrared data receiving circuit that operation is stable, the reliability is high.
[ background art ]
The Set-top box product is a common device in people's daily life, and is a digital video converter box (Set top box, abbreviated as STB), generally called Set-top box or Set-top box, which is a device for connecting a television Set and an external signal source, and can convert a compressed digital signal into television content and display the television content on the television Set, and the signal can come from a cable, a satellite antenna, a broadband network and ground broadcasting.
The set-top box receives digital contents including an electronic program guide, an internet web page, subtitles, and the like, in addition to images and sounds that an analog television can provide. Enabling users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education, and commercialization activities over a network.
In the practical application process, a television serving as a signal receiving end needs to be formed between the television and the set top box, and the set top box serves as a control circuit and signal transmission of a signal execution end, so that the purpose of controlling the operation of the set top box is achieved.
[ contents of utility model ]
For overcoming the problem that prior art exists, the utility model provides a TV bluetooth infrared data receiving circuit that operation is stable, the reliability is high.
The utility model provides a scheme of technical problem provide a TV bluetooth infrared data receiving circuit, including BK343IQ main chip and respectively with wireless terminal test circuit, first inductance circuit, first quartz crystal resonator circuit, second inductance circuit, first electric capacity circuit, second electric capacity circuit, third inductance circuit, first transient state voltage suppression diode circuit and the suppression diode circuit of second transient state voltage that a plurality of interfaces of BK343IQ main chip are connected; the wireless terminal test circuit is connected with an ANT interface of the BK343IQ main chip; the first inductance circuit is connected with a VCCIF interface of the BK343IQ main chip; the first quartz crystal resonator circuit is connected with XTAL0 and XTAL1 interfaces of a BK343IQ main chip; the second quartz crystal resonator circuit is connected with an XTAL32K interface of a BK343IQ main chip; the second inductance circuit is connected with the SW interface of the BK343IQ main chip; the first capacitor circuit is connected with a VCCBAT interface of the BK343IQ main chip; the second capacitor circuit is connected with a CP1 interface and a CP2 interface of the BK343IQ main chip; the third inductive circuit is connected with a VCCMCU interface of the BK343IQ main chip; the first transient voltage suppression diode circuit is connected with a P00/UART1_ TX interface of a BK343IQ main chip; the first transient voltage suppression diode circuit is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
Preferably, the wireless terminal test circuit comprises a first-stage capacitor circuit, a second-stage capacitor circuit, a first-stage inductor circuit, a third-stage capacitor circuit and a fourth-stage capacitor circuit; the input end of the primary capacitor circuit is connected with an ANT interface of the BK343IQ main chip, the other end of the primary capacitor circuit is connected with a common ground, and the primary capacitor circuit is connected with a capacitor C17 in series; the input end of the secondary capacitor circuit is connected with the input end of the primary capacitor circuit, the other end of the secondary capacitor circuit is connected with the common ground, and a capacitor C4 is connected in series; a capacitor C1 is connected in series between the input end of the primary inductance circuit and the input end of the secondary capacitance circuit, and an inductor L8 is connected in series in the primary inductance circuit; a wireless test terminal RF _ T is connected in series between the input end of the three-level capacitor circuit and the input end of the first-level inductor circuit, and an inductor L7 is connected in series between the input end of the three-level capacitor circuit and the input end of the four-level capacitor circuit.
Preferably, the first inductive circuit comprises a capacitive circuit and an inductive circuit connected in parallel; the input ends of the capacitor circuit and the inductor circuit are connected with a VCCIF interface of the BK343IQ main chip; the capacitor circuit is connected with a capacitor C6 in series; an inductor L4 is connected in series in the inductor circuit.
Preferably, the first quartz crystal resonator circuit comprises a quartz crystal resonator X1, a capacitor C9 and a capacitor C10; the input ends of the capacitor C9 and the capacitor C10 are respectively connected with the XTAL0 and XTAL1 interfaces of the BK343IQ main chip, and the output ends of the capacitor C9 and the capacitor C10 are connected with the same common ground; two ends of the quartz crystal resonator X1 are respectively connected with the input ends of the capacitor C9 and the capacitor C10.
Preferably, the second quartz crystal resonator circuit comprises a quartz crystal resonator X2; the input end of the quartz crystal resonator X2 is connected with the XTAL32K interface of the BK343IQ main chip, and the other end is connected with the common ground.
Preferably, the second inductive circuit comprises an inductive circuit and a capacitive circuit; an inductor L1 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C3 in series; the input end of the inductor L1 is connected with the SW interface of the BK343IQ main chip, and the other end of the inductor L1 is connected with the input end of the capacitor circuit; and the output terminal of the capacitor C3 in the capacitor circuit is connected to the common ground.
Preferably, the first capacitance circuit comprises two capacitance circuits connected in parallel; wherein a capacitor C11 is connected in series in a capacitor circuit; the other capacitor circuit is connected with a capacitor C2 in series; the output ends of the capacitor C11 and the capacitor C2 are connected with the same common ground.
Preferably, the output end and the input end of the second capacitor circuit are respectively connected with the CP1 interface and the CP2 interface of the BK343IQ main chip, and a capacitor C8 is connected in series in the second capacitor circuit.
Preferably, the third inductance circuit comprises an inductance circuit and a capacitance circuit connected in parallel; an inductor L5 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C13 in series; the input end of the inductor L5 is connected with the input end of the capacitor C13, and the output end of the capacitor C13 is connected with the common ground.
Preferably, the first transient voltage suppression diode circuit comprises a resistor R22, a transient voltage suppression diode ESD 2; the second transient voltage suppression diode circuit comprises a resistor R17 and a transient voltage suppression diode ESD 3; the input end of the resistor R22 is connected with the P00/UART1_ TX interface of the BK343IQ main chip; the input end of the resistor R17 is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
Compared with the prior art, the utility model relates to a TV bluetooth infrared data receiving circuit through set up BK343IQ main chip simultaneously and respectively with the wireless terminal test circuit that a plurality of interfaces of BK343IQ main chip are connected, first inductance circuit, first quartz crystal resonator circuit, second inductance circuit, first capacitance circuit, second capacitance circuit, third inductance circuit, first transient state voltage restraines diode circuit and second transient state voltage restraines diode circuit, utilize each chip interface and different circuit to be connected, in the actual operation process, this bluetooth infrared data receiving circuit 1 is responsible for TV bluetooth infrared data reception and status instruction and passes through the transmission, and pass through infrared transmitting circuit transmission to received infrared data, thereby realize the control of STB to equipment, the operational reliability is high.
[ description of the drawings ]
Fig. 1 is the circuit connection schematic diagram of the utility model relates to a TV bluetooth infrared data receiving circuit.
[ detailed description of the invention ]
To make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the utility model relates to a tv bluetooth infrared data receiving circuit 1 includes BK343IQ main chip and wireless terminal test circuit, first inductance circuit, first quartz crystal resonator circuit, second inductance circuit, first capacitance circuit, second capacitance circuit, third inductance circuit, first transient voltage suppression diode circuit and second transient voltage suppression diode circuit that are connected with a plurality of interfaces of BK343IQ main chip respectively; the wireless terminal test circuit is connected with an ANT interface of the BK343IQ main chip; the first inductance circuit is connected with a VCCIF interface of the BK343IQ main chip; the first quartz crystal resonator circuit is connected with XTAL0 and XTAL1 interfaces of a BK343IQ main chip; the second quartz crystal resonator circuit is connected with an XTAL32K interface of a BK343IQ main chip; the second inductance circuit is connected with the SW interface of the BK343IQ main chip; the first capacitor circuit is connected with a VCCBAT interface of the BK343IQ main chip; the second capacitor circuit is connected with a CP1 interface and a CP2 interface of the BK343IQ main chip; the third inductive circuit is connected with a VCCMCU interface of the BK343IQ main chip; the first transient voltage suppression diode circuit is connected with a P00/UART1_ TX interface of a BK343IQ main chip; the first transient voltage suppression diode circuit is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
According to the Bluetooth infrared data receiving circuit, a BK343IQ main chip, a wireless terminal testing circuit, a first inductance circuit, a first quartz crystal resonator circuit, a second inductance circuit, a first capacitance circuit, a second capacitance circuit, a third inductance circuit, a first transient voltage suppression diode circuit and a second transient voltage suppression diode circuit which are respectively connected with a plurality of interfaces of the BK343IQ main chip are arranged at the same time, the chip interfaces are connected with different circuits, and in the actual operation process, the Bluetooth infrared data receiving circuit 1 is responsible for receiving Bluetooth infrared data of a television and transmitting state instructions and transmitting the received infrared data through an infrared transmitting circuit, so that the control of set-top box equipment is realized, and the operation reliability is high.
Preferably, the wireless terminal test circuit comprises a first-stage capacitor circuit, a second-stage capacitor circuit, a first-stage inductor circuit, a third-stage capacitor circuit and a fourth-stage capacitor circuit; the input end of the primary capacitor circuit is connected with an ANT interface of the BK343IQ main chip, the other end of the primary capacitor circuit is connected with a common ground, and the primary capacitor circuit is connected with a capacitor C17 in series; the input end of the secondary capacitor circuit is connected with the input end of the primary capacitor circuit, the other end of the secondary capacitor circuit is connected with the common ground, and a capacitor C4 is connected in series; a capacitor C1 is connected in series between the input end of the primary inductance circuit and the input end of the secondary capacitance circuit, and an inductor L8 is connected in series in the primary inductance circuit; a wireless test terminal RF _ T is connected in series between the input end of the three-level capacitor circuit and the input end of the first-level inductor circuit, and an inductor L7 is connected in series between the input end of the three-level capacitor circuit and the input end of the four-level capacitor circuit.
Preferably, the first inductive circuit comprises a capacitive circuit and an inductive circuit connected in parallel; the input ends of the capacitor circuit and the inductor circuit are connected with a VCCIF interface of the BK343IQ main chip; the capacitor circuit is connected with a capacitor C6 in series; an inductor L4 is connected in series in the inductor circuit.
Preferably, the first quartz crystal resonator circuit comprises a quartz crystal resonator X1, a capacitor C9 and a capacitor C10; the input ends of the capacitor C9 and the capacitor C10 are respectively connected with the XTAL0 and XTAL1 interfaces of the BK343IQ main chip, and the output ends of the capacitor C9 and the capacitor C10 are connected with the same common ground; two ends of the quartz crystal resonator X1 are respectively connected with the input ends of the capacitor C9 and the capacitor C10.
Preferably, the second quartz crystal resonator circuit comprises a quartz crystal resonator X2; the input end of the quartz crystal resonator X2 is connected with the XTAL32K interface of the BK343IQ main chip, and the other end is connected with the common ground.
Preferably, the second inductive circuit comprises an inductive circuit and a capacitive circuit; an inductor L1 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C3 in series; the input end of the inductor L1 is connected with the SW interface of the BK343IQ main chip, and the other end of the inductor L1 is connected with the input end of the capacitor circuit; and the output terminal of the capacitor C3 in the capacitor circuit is connected to the common ground.
Preferably, the first capacitance circuit comprises two capacitance circuits connected in parallel; wherein a capacitor C11 is connected in series in a capacitor circuit; the other capacitor circuit is connected with a capacitor C2 in series; the output ends of the capacitor C11 and the capacitor C2 are connected with the same common ground.
Preferably, the output end and the input end of the second capacitor circuit are respectively connected with the CP1 interface and the CP2 interface of the BK343IQ main chip, and a capacitor C8 is connected in series in the second capacitor circuit.
Preferably, the third inductance circuit comprises an inductance circuit and a capacitance circuit connected in parallel; an inductor L5 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C13 in series; the input end of the inductor L5 is connected with the input end of the capacitor C13, and the output end of the capacitor C13 is connected with the common ground.
Preferably, the first transient voltage suppression diode circuit comprises a resistor R22, a transient voltage suppression diode ESD 2; the second transient voltage suppression diode circuit comprises a resistor R17 and a transient voltage suppression diode ESD 3; the input end of the resistor R22 is connected with the P00/UART1_ TX interface of the BK343IQ main chip; the input end of the resistor R17 is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
Compared with the prior art, the utility model relates to a TV bluetooth infrared data receiving circuit 1 through set up BK343IQ main chip simultaneously and respectively with the wireless terminal test circuit that a plurality of interfaces of BK343IQ main chip are connected, first inductance circuit, first quartz crystal resonator circuit, second inductance circuit, first capacitance circuit, second capacitance circuit, third inductance circuit, first transient state voltage restraines diode circuit and second transient state voltage restraines diode circuit, utilize each chip interface and different circuit to be connected, in the actual operation process, this bluetooth infrared data receiving circuit 1 is responsible for TV bluetooth infrared data and state instruction and passes through the transmission, and pass through infrared transmitting circuit transmission to the infrared data received, thereby realize the control to STB equipment, the operational reliability is high.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a TV bluetooth infrared data receiving circuit which characterized in that: the wireless terminal test circuit comprises a BK343IQ main chip, and a wireless terminal test circuit, a first inductance circuit, a first quartz crystal resonator circuit, a second inductance circuit, a first capacitance circuit, a second capacitance circuit, a third inductance circuit, a first transient voltage suppression diode circuit and a second transient voltage suppression diode circuit which are respectively connected with a plurality of interfaces of the BK343IQ main chip; the wireless terminal test circuit is connected with an ANT interface of the BK343IQ main chip; the first inductance circuit is connected with a VCCIF interface of the BK343IQ main chip; the first quartz crystal resonator circuit is connected with XTAL0 and XTAL1 interfaces of a BK343IQ main chip; the second quartz crystal resonator circuit is connected with an XTAL32K interface of a BK343IQ main chip; the second inductance circuit is connected with the SW interface of the BK343IQ main chip; the first capacitor circuit is connected with a VCCBAT interface of the BK343IQ main chip; the second capacitor circuit is connected with a CP1 interface and a CP2 interface of the BK343IQ main chip; the third inductive circuit is connected with a VCCMCU interface of the BK343IQ main chip; the first transient voltage suppression diode circuit is connected with a P00/UART1_ TX interface of a BK343IQ main chip; the first transient voltage suppression diode circuit is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
2. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the wireless terminal test circuit comprises a primary capacitor circuit, a secondary capacitor circuit, a primary inductor circuit, a tertiary capacitor circuit and a quaternary capacitor circuit; the input end of the primary capacitor circuit is connected with an ANT interface of the BK343IQ main chip, the other end of the primary capacitor circuit is connected with a common ground, and the primary capacitor circuit is connected with a capacitor C17 in series; the input end of the secondary capacitor circuit is connected with the input end of the primary capacitor circuit, the other end of the secondary capacitor circuit is connected with the common ground, and a capacitor C4 is connected in series; a capacitor C1 is connected in series between the input end of the primary inductance circuit and the input end of the secondary capacitance circuit, and an inductor L8 is connected in series in the primary inductance circuit; a wireless test terminal RF _ T is connected in series between the input end of the three-level capacitor circuit and the input end of the first-level inductor circuit, and an inductor L7 is connected in series between the input end of the three-level capacitor circuit and the input end of the four-level capacitor circuit.
3. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the first inductance circuit comprises a capacitance circuit and an inductance circuit which are connected in parallel; the input ends of the capacitor circuit and the inductor circuit are connected with a VCCIF interface of the BK343IQ main chip; the capacitor circuit is connected with a capacitor C6 in series; an inductor L4 is connected in series in the inductor circuit.
4. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the first quartz crystal resonator circuit comprises a quartz crystal resonator X1, a capacitor C9 and a capacitor C10; the input ends of the capacitor C9 and the capacitor C10 are respectively connected with the XTAL0 and XTAL1 interfaces of the BK343IQ main chip, and the output ends of the capacitor C9 and the capacitor C10 are connected with the same common ground; two ends of the quartz crystal resonator X1 are respectively connected with the input ends of the capacitor C9 and the capacitor C10.
5. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the second quartz crystal resonator circuit comprises a quartz crystal resonator X2; the input end of the quartz crystal resonator X2 is connected with the XTAL32K interface of the BK343IQ main chip, and the other end is connected with the common ground.
6. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the second inductance circuit comprises an inductance circuit and a capacitance circuit; an inductor L1 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C3 in series; the input end of the inductor L1 is connected with the SW interface of the BK343IQ main chip, and the other end of the inductor L1 is connected with the input end of the capacitor circuit; and the output terminal of the capacitor C3 in the capacitor circuit is connected to the common ground.
7. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the first capacitor circuit comprises two capacitor circuits connected in parallel; wherein a capacitor C11 is connected in series in a capacitor circuit; the other capacitor circuit is connected with a capacitor C2 in series; the output ends of the capacitor C11 and the capacitor C2 are connected with the same common ground.
8. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the output end and the input end of the second capacitor circuit are respectively connected with the CP1 interface and the CP2 interface of the BK343IQ main chip, and a capacitor C8 is connected in series in the second capacitor circuit.
9. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the third inductance circuit comprises an inductance circuit and a capacitance circuit which are connected in parallel; an inductor L5 is connected in series in the inductance circuit; the capacitor circuit is connected with a capacitor C13 in series; the input end of the inductor L5 is connected with the input end of the capacitor C13, and the output end of the capacitor C13 is connected with the common ground.
10. The television bluetooth infrared data receiving circuit of claim 1, characterized in that: the first transient voltage suppression diode circuit comprises a resistor R22 and a transient voltage suppression diode ESD 2; the second transient voltage suppression diode circuit comprises a resistor R17 and a transient voltage suppression diode ESD 3; the input end of the resistor R22 is connected with the P00/UART1_ TX interface of the BK343IQ main chip; the input end of the resistor R17 is connected with the P00/UART1_ RX interface of the BK343IQ main chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711661.XU CN210899457U (en) | 2019-10-14 | 2019-10-14 | Television Bluetooth infrared data receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711661.XU CN210899457U (en) | 2019-10-14 | 2019-10-14 | Television Bluetooth infrared data receiving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210899457U true CN210899457U (en) | 2020-06-30 |
Family
ID=71322197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921711661.XU Active CN210899457U (en) | 2019-10-14 | 2019-10-14 | Television Bluetooth infrared data receiving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210899457U (en) |
-
2019
- 2019-10-14 CN CN201921711661.XU patent/CN210899457U/en active Active
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