CN201985846U - Radio emitter module circuit - Google Patents
Radio emitter module circuit Download PDFInfo
- Publication number
- CN201985846U CN201985846U CN2011200379170U CN201120037917U CN201985846U CN 201985846 U CN201985846 U CN 201985846U CN 2011200379170 U CN2011200379170 U CN 2011200379170U CN 201120037917 U CN201120037917 U CN 201120037917U CN 201985846 U CN201985846 U CN 201985846U
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- circuit
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- locked loop
- frequency
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Abstract
The utility model provides a radio emitter module circuit which comprises an audio signal input circuit, a phase-locked loop circuit, a high-frequency amplification circuit, a power supply input module and an emission antenna, wherein the audio signal input circuit, the phase-locked loop circuit and the high-frequency amplification circuit are sequentially connected; the power supply input module is respectively connected with the phase-locked loop circuit and the high-frequency amplification circuit to supply power; and the high-frequency amplification circuit is also connected with the emission antenna. The radio emitter module circuit provided by the utility model adopts the phase-locked loop circuit and is matched with an integrated chip to code, thereby saving resource. In addition, production reliability is improved, emission distance is long, antijamming capability is strong, and labor cost is greatly lowered.
Description
Technical field
The utility model relates to the circuit engineering field, relates in particular to a kind of wireless launcher modular circuit.
Background technology
At present, the wireless transmitter module circuit of selling on the market please refer to Fig. 1 wireless transmitter module circuit theory diagrams, comes down to a high-frequency generator, and its circuit is constructed as follows: power supply connects transistorized collector electrode by inductance L l, connects capacitor C 3 simultaneously to ground; Transistorized emitter is by parallel resistor R5 and capacitor C 5 ground connection; Transistorized base stage is by parallel resistor R4 harmony surface resonance device J3 ground connection; Transistorized collector and emitter shunt capacitance C2; Antenna and load resistance R6 are penetrated in transistorized collector electrode sending and receiving, constitute the wireless transmitter module circuit.
But existing wireless transmitter module circuit transmitting range is short, poor stability, and product is low by the authentication rate, and the cost height, debug difficulties.
Summary of the invention
The purpose of this utility model is to provide a kind of wireless launcher modular circuit.
The utility model purpose is achieved through the following technical solutions.
A kind of wireless launcher modular circuit comprises: audio signal input circuit, phase-locked loop circuit and the high-frequency amplifier circuit of Xiang Lianing successively, Power Entry Module, transmitting antenna; Described Power Entry Module is connected power supply with phase-locked loop circuit and high-frequency amplifier circuit respectively, and high-frequency amplifier circuit also links to each other with transmitting antenna.
Described, also comprise low-frequency filter circuit, the described low-frequency filter circuit first via connects the audio signal input circuit, and low-frequency filter circuit the second tunnel connects phase-locked loop circuit.
Described, described phase-locked loop circuit comprises coding circuit and high-frequency oscillating circuits.
Described, described low-frequency filter circuit also links to each other with Power Entry Module.
The utility model embodiment compared with prior art, beneficial effect is: wireless launcher modular circuit that the utility model provides adopts phase-locked loop circuit, cooperates with integrated chip and finishes coding, has saved resource; And improved reliability of products, transmitting range is far away, and antijamming capability is strong, and greatly reduces cost of labor.
Description of drawings
Fig. 1 is existing wireless launcher module circuit diagram;
Fig. 2 is the utility model wireless launcher modular circuit theory diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also shown in Figure 2ly, comprise successively the audio signal input circuit, low-frequency filter circuit, phase-locked loop circuit and the high-frequency amplifier circuit that link to each other; Power Entry Module is connected power supply with low-frequency filter circuit, phase-locked loop circuit and high-frequency amplifier circuit respectively, and high-frequency amplifier circuit also links to each other with transmitting antenna.
Wherein, phase-locked loop circuit comprises coding circuit and high-frequency oscillating circuits.
Transmitter module circuit working principle: signal input back is by low-frequency filter circuit, and coding circuit and high-frequency oscillating circuits (phase-locked loop circuit) are amplified into transmitting antenna through high frequency and launch.
The utility model adopts phase-locked loop circuit, cooperate with integrated chip and to have finished coding, cancelled conventional coding circuit, the wireless launcher modular circuit is also held into the compandor circuit, pilot signals and background sound that reflector sends have been reduced when emission, discharged the interference of noise sound that is produced in the circuit, worked under glitch-free environment, parameters all has raising.
Need not specially to debug at authenticated connection, can qualification rate reach more than 98%, aspect energy consumption, emission operating current 50mA receives 35mA, has reduced with product energy consumption with technology, and power requirement is also very low, but operate as normal between the DC 3V-5V.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. a wireless launcher modular circuit is characterized in that, comprising: audio signal input circuit, phase-locked loop circuit and the high-frequency amplifier circuit of Xiang Lianing successively, Power Entry Module, transmitting antenna; Described Power Entry Module is connected power supply with phase-locked loop circuit and high-frequency amplifier circuit respectively, and high-frequency amplifier circuit also links to each other with transmitting antenna.
2. wireless launcher modular circuit as claimed in claim 1 is characterized in that, also comprises low-frequency filter circuit, and the described low-frequency filter circuit first via connects the audio signal input circuit, and low-frequency filter circuit the second tunnel connects phase-locked loop circuit.
3. wireless launcher modular circuit as claimed in claim 1 or 2 is characterized in that described phase-locked loop circuit comprises coding circuit and high-frequency oscillating circuits.
4. wireless launcher modular circuit as claimed in claim 2 is characterized in that described low-frequency filter circuit also links to each other with Power Entry Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200379170U CN201985846U (en) | 2011-02-14 | 2011-02-14 | Radio emitter module circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200379170U CN201985846U (en) | 2011-02-14 | 2011-02-14 | Radio emitter module circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985846U true CN201985846U (en) | 2011-09-21 |
Family
ID=44613296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200379170U Expired - Fee Related CN201985846U (en) | 2011-02-14 | 2011-02-14 | Radio emitter module circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682974A (en) * | 2015-03-20 | 2015-06-03 | 周玉林 | 433 MHz wireless transmitter |
| WO2017147809A1 (en) * | 2016-03-02 | 2017-09-08 | 马骏 | Novel compressed air purification system having real-time monitoring function |
-
2011
- 2011-02-14 CN CN2011200379170U patent/CN201985846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682974A (en) * | 2015-03-20 | 2015-06-03 | 周玉林 | 433 MHz wireless transmitter |
| WO2017147809A1 (en) * | 2016-03-02 | 2017-09-08 | 马骏 | Novel compressed air purification system having real-time monitoring function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20140214 |