CN2720723Y - Numeric controlled high-frequency carrier circuit - Google Patents
Numeric controlled high-frequency carrier circuit Download PDFInfo
- Publication number
- CN2720723Y CN2720723Y CN 200420060915 CN200420060915U CN2720723Y CN 2720723 Y CN2720723 Y CN 2720723Y CN 200420060915 CN200420060915 CN 200420060915 CN 200420060915 U CN200420060915 U CN 200420060915U CN 2720723 Y CN2720723 Y CN 2720723Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- microprocessor
- output
- high frequency
- frequency carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses a numeric controlled high-frequency carrier circuit which includes a high frequency oscillation output circuit and an amplifying circuit which amplifies the output. The amplifying circuit only amplifies the input signal which is higher than the trigger level. The high frequency oscillation output circuit includes a microprocessor and an oscillating circuit. The oscillating circuit is used for sending out the high-frequency signal which is lower than the amplifying circuit trigger level. The I/O port of the microprocessor is regarded as the output terminal of the high frequency oscillation output circuit after the I/O port of the microprocessor is connected with the output terminal of the oscillating circuit in parallel. The advantages of the utility model are that the numeric controlled high-frequency carrier circuit uses the integrated module and has simple structure, stable performance and convenient regulation. The microprocessor has abundant interfaces and perfect control function. The numeric controlled high-frequency carrier circuit has good expandability and flexible use range. The I/O port of the microprocessor is used to control whether to trigger the amplifying circuit, which is simple to control.
Description
Technical field
The utility model relates to a kind of high frequency carrier circuit, especially relates to a kind of numerical control high frequency carrier circuit.
Background technology
Existing small-power high frequency carrier circuit generally is made up of a plurality of discrete components such as inductance, electric capacity, amplifier tube and resistance, and some also comprises crystal oscillator.There is the more and shortcoming of function singleness of element in technique scheme, and because each device parameters can not be all consistent, the debugging trouble.
The utility model content
The purpose of this utility model be propose a kind of simple in structure, debugging is convenient, the numerical control high frequency carrier circuit of abundant expansion controlled function is arranged.
The technical scheme that realizes above-mentioned purpose is: a kind of numerical control high frequency carrier circuit, comprise high frequency oscillation output circuit and the amplifying circuit that its output is amplified, described amplifying circuit only amplifies the input signal that is higher than its triggering level, it is characterized in that: described high frequency oscillation output circuit comprises microprocessor and oscillating circuit, described oscillating circuit is used to export the high-frequency signal that is lower than the amplifying circuit triggering level, the I/O mouth of described microprocessor with after the output of oscillating circuit is in parallel as the output of high frequency oscillation output circuit.
Described oscillating circuit comprises crystal oscillator and first, second electric capacity, described crystal oscillator is connected between the concussion input port and concussion delivery outlet of microprocessor, the end that crystal oscillator is connected with the concussion input port is by the output of first electric capacity as oscillating circuit, and the other end connects power supply by second electric capacity.Certainly, described oscillating circuit also can have other complicated more or complete forms, as long as it can produce faint high-frequency signal.
Described high frequency oscillation output circuit also comprises resistance, the I/O mouth of described microprocessor with connect amplifying circuit by described resistance after the output of oscillating circuit is in parallel.
The utility model adopts technique scheme, and its beneficial technical effects is: 1) use integration module, simple in structure, stable performance, debugging are convenient; Therefore 2) microprocessor has abundant interface and perfect control function, and the favorable expansibility and the scope of application are flexibly arranged; 3) adopt the I/O mouth control of microprocessor whether to trigger amplifying circuit, control is simple; 4) adopt the concussion output of crystal oscillator as being exaggerated signal, frequency stabilization.
Description of drawings
Below by embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail:
Fig. 1 is a kind of circuit block diagram of the present utility model.
Fig. 2 is the realization circuit diagram of a kind of preferred version of Fig. 1.
Embodiment
A kind of numerical control high frequency carrier circuit, in conjunction with Fig. 1 and Fig. 2, be connected concussion delivery outlet OSC1 and the crystal oscillator Cr between the concussion input port OSC2 and the capacitor C 1 that links to each other with the crystal oscillator two ends respectively and the capacitor C 2 composition oscillating circuits of microprocessor, the end that one termination crystal oscillator of capacitor C 1 links to each other with the OSC1 mouth, the other end is as the output of oscillating circuit, the end that one termination crystal oscillator of capacitor C 2 links to each other with the OSC2 mouth, another termination power.The I/O mouth P00 of microprocessor and the output-parallel of oscillating circuit are after resistance R connects amplifying circuit.
The concrete course of work: the crystal oscillator oscillating circuit is by faint high-frequency signal of C2 output, and the I/O mouth P00 of microprocessor is set to output.When P00 is output as 0, be equivalent to C2 ground connection, this moment, the Sasser amplitude of oscillating circuit output was very little, can not trigger amplifying circuit.When P00 is output as 1, be equivalent to the power supply that C2 connects microprocessor, direct voltage is added in the output of oscillating circuit, and amplifying circuit is triggered.This moment by the voltage of R1 can regard as a direct voltage and a faint alternating voltage and.This alternating voltage can be used as high-frequency carrier signal after amplifying through amplifier.
The utility model circuit is simple and practical.Because be to combine, can control carrier wave output easily or end the carrier wave generation with microprocessor; Add the complicated controlled function of microprocessor, the scope of application is very flexible, can reduce the complexity of circuit when being used for aspects such as remote-control toy, air-conditioning remote control in entire scope.
Claims (3)
1, a kind of numerical control high frequency carrier circuit, comprise high frequency oscillation output circuit and the amplifying circuit that its output is amplified, described amplifying circuit only amplifies the input signal that is higher than its triggering level, it is characterized in that: described high frequency oscillation output circuit comprises microprocessor and oscillating circuit, described oscillating circuit is used to export the high-frequency signal that is lower than the amplifying circuit triggering level, the I/O mouth of described microprocessor with after the output of oscillating circuit is in parallel as the output of high frequency oscillation output circuit.
2, numerical control high frequency carrier circuit according to claim 1, it is characterized in that: described oscillating circuit comprises crystal oscillator and first, second electric capacity, described crystal oscillator is connected between the concussion input port and concussion delivery outlet of microprocessor, the end that crystal oscillator is connected with the concussion input port is by the output of first electric capacity as oscillating circuit, and the other end connects power supply by second electric capacity.
3, numerical control high frequency carrier circuit according to claim 1 and 2, it is characterized in that: described high frequency oscillation output circuit also comprises resistance, the I/O mouth of described microprocessor with connect amplifying circuit by described resistance after the output of oscillating circuit is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420060915 CN2720723Y (en) | 2004-08-20 | 2004-08-20 | Numeric controlled high-frequency carrier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420060915 CN2720723Y (en) | 2004-08-20 | 2004-08-20 | Numeric controlled high-frequency carrier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720723Y true CN2720723Y (en) | 2005-08-24 |
Family
ID=35009671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420060915 Expired - Fee Related CN2720723Y (en) | 2004-08-20 | 2004-08-20 | Numeric controlled high-frequency carrier circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720723Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304235B (en) * | 2008-06-30 | 2010-06-02 | 深圳和而泰智能控制股份有限公司 | High-frequency carrier generator |
-
2004
- 2004-08-20 CN CN 200420060915 patent/CN2720723Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304235B (en) * | 2008-06-30 | 2010-06-02 | 深圳和而泰智能控制股份有限公司 | High-frequency carrier generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207185925U (en) | A kind of ultrasonic electronic cigarette chases after frequency circuit and ultrasonic electronic cigarette | |
| CN211065048U (en) | Ultrasonic atomization piece working circuit and ultrasonic electronic cigarette | |
| CN2720723Y (en) | Numeric controlled high-frequency carrier circuit | |
| CN109480332B (en) | Ultrasonic electronic cigarette frequency tracking circuit and ultrasonic electronic cigarette | |
| CN206498565U (en) | A kind of LED drive power | |
| CN201732118U (en) | Computer wireless product low-pressure alarm | |
| CN203180853U (en) | Combination type power amplifier | |
| CN207218676U (en) | A kind of low-voltage high-power radio transmitter | |
| CN201044418Y (en) | Constant-current control power supply | |
| CN202886892U (en) | Power relay system for wireless communication | |
| CN201869215U (en) | Carrier modulation circuit | |
| CN205608434U (en) | Wireless microphone | |
| CN203518377U (en) | Handheld X-ray fluorescence spectrophotometer constant-refrigeration control circuit | |
| CN204578530U (en) | A kind of wireless communication line based on nRF0433 | |
| CN219718492U (en) | Control circuit for constant power heating | |
| CN214480262U (en) | Circuit for optimizing large dynamic voltage drop of output of switching power supply | |
| CN2387671Y (en) | Crops growth promoter | |
| CN202735740U (en) | Wireless power relay system | |
| CN210901395U (en) | Boost circuit, ultrasonic electronic cigarette working circuit and ultrasonic electronic cigarette | |
| CN214756264U (en) | Miniaturized power amplifier of high integration | |
| CN207995041U (en) | Multi-stage, efficient power amplifier | |
| CN202735742U (en) | Wireless communication signal relay system | |
| CN101304235B (en) | High-frequency carrier generator | |
| CN202837888U (en) | Wireless power relay | |
| CN208608972U (en) | A kind of GaAs microwave integrated circuit pulse modulated circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN AND INTELLIGENT CONTROL AND THAILAND CO. Free format text: FORMER NAME OR ADDRESS: HEERTAI ELECTRONIC SCI-TECH CO., LTD. SHENZHEN |
|
| CP01 | Change in the name or title of a patent holder |
Address after: D building, block ten, Institute of international technology innovation, South ten road, hi tech Zone, Guangdong, Shenzhen, China: 518057 Patentee after: ShenZhen H&T Intelligent Control CO., LTD. Address before: D building, block ten, Institute of international technology innovation, South ten road, hi tech Zone, Guangdong, Shenzhen, China: 518057 Patentee before: Heertai Electronic Sci. & Tech. Co., Ltd., Shenzhen City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 Termination date: 20110820 |