CN203324325U - Controllable signal generator - Google Patents

Controllable signal generator Download PDF

Info

Publication number
CN203324325U
CN203324325U CN2013203364956U CN201320336495U CN203324325U CN 203324325 U CN203324325 U CN 203324325U CN 2013203364956 U CN2013203364956 U CN 2013203364956U CN 201320336495 U CN201320336495 U CN 201320336495U CN 203324325 U CN203324325 U CN 203324325U
Authority
CN
China
Prior art keywords
chip
signal generator
digital
waveform generation
controllable
Prior art date
Application number
CN2013203364956U
Other languages
Chinese (zh)
Inventor
刘玉良
Original Assignee
浙江海洋学院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 浙江海洋学院 filed Critical 浙江海洋学院
Priority to CN2013203364956U priority Critical patent/CN203324325U/en
Application granted granted Critical
Publication of CN203324325U publication Critical patent/CN203324325U/en

Links

Abstract

A controllable signal generator is disclosed and belongs to the electronic technology field. The controllable signal generator solves the problem that a high-performance signal generator is expensive and many functions of the controllable signal generator are rarely used while a simple signal generator is single in output signal and uncontrollable in signal output. The controllable signal generator comprises a one-chip microcomputer, a digital-to-analog conversion chip, a waveform generation chip, a multipath distribution device, an amplification circuit, buttons, a display screen and a voltage-stabilized power source module, wherein the voltage-stabilized power source module is connected with the power source pins of the one-chip microcomputer, the digital-to-analog conversion chip, the waveform generation chip, the multipath distribution device, the amplification circuit and the display screen through lead wires; the one-chip microcomputer is connected with the digital-to-analog conversion chip, the multipath distribution device, the buttons and the display screen through lead wires; the digital-to-analog conversion chip is connected with the waveform generation chip which is connected with the multipath distribution device; the multipath distribution device is connected with the amplification circuit. The controllable signal generator can be applied to occasions where signals such as low distortion sine waves, triangular waves, rectangular waves and the like between 0.001Hz and 300kHz are needed; the controllable signal generator is characterized by realized controllable operation, simple and reliable circuit, low cost, and wide market value.

Description

A kind of controllable signal generator

Technical field

The utility model relates to a kind of controllable signal generator, belongs to electronic technology field.

Background technology

Signal generator refers to the instrument of the electric test signal that produces desired parameters, and common signal has sine wave signal, triangular signal, square-wave signal etc.Signal generator has a wide range of applications in production practices and sciemtifec and technical sphere, for example, in communication, broadcast, television system, all need radio-frequency transmissions, audio frequency, vision signal or pulse signal are delivered away, just need to produce the signal generator of high frequency, in the field such as industrial, agriculture, biomedical, as high-frequency induction heating, Ultrasonic Diagnosis, Magnetic resonance imaging etc., all either large or small, the frequency of required power or high or low signal generator.High performance signal generator is expensive in the market, and a lot of functions are but seldom used, and the simple signal generator exists output signal single, and signal is exported uncontrollable shortcoming.

Summary of the invention

The purpose of this utility model is to provide a kind of controllable signal generator.

Problem to be solved in the utility model is that a kind of controllable signal generator of low price practicality is provided between high performance signal generator and uncontrollable signal generator.

For realizing the purpose of this utility model, the technical solution adopted in the utility model is:

A kind of controllable signal generator, comprise single-chip microcomputer, analog-digital chip, the waveform generation chip, demultplexer, amplifying circuit, button, display screen, power module of voltage regulation, power module of voltage regulation is by wire and single-chip microcomputer, analog-digital chip, the waveform generation chip, demultplexer, amplifying circuit, the power pins of display screen is connected, single-chip microcomputer is by wire and analog-digital chip, demultplexer, button, display screen is connected, analog-digital chip is connected with the waveform generation chip, the waveform generation chip is connected with demultplexer, demultplexer is connected with amplifying circuit, the model of single-chip microcomputer is AT89C52, and the model of analog-digital chip is TLV5606, and the model of waveform generation chip is ICL8083, and the model of demultplexer is 74HC4051, and the model of amplifying circuit is LM358, and the model of display screen 7 is LCD1602.

The utility model has the advantages that: adopt ICL8083 as the waveform generation chip, ICL8083 is a kind of accurate oscillating integrated circuit with multiple waveforms output, only need to adjust other outer member and just can produce the signals such as low-distortion sine wave from 0.001HZ~300kHz, triangular wave, square wave, the frequency of output waveform and dutycycle can also be by Current Control, adopt the AT89C52 single-chip microcomputer controlled and shown by LCD1602, realize controllable operating, circuit is simple and reliable, cost is lower.

The accompanying drawing explanation

Fig. 1 is the schematic diagram of a kind of controllable signal generator of the utility model;

In figure: 1, single-chip microcomputer 2, analog-digital chip 3, waveform generation chip 4, demultplexer 5, amplifying circuit 6, button 7, display screen 8, power module of voltage regulation.

Embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

As shown in the figure, a kind of controllable signal generator, comprise single-chip microcomputer 1, analog-digital chip 2, waveform generation chip 3, demultplexer 4, amplifying circuit 5, button 6, display screen 7, power module of voltage regulation 8, power module of voltage regulation 8 is by wire and single-chip microcomputer 1, analog-digital chip 2, waveform generation chip 3, demultplexer 4, amplifying circuit 5, the power pins of display screen 7 is connected, single-chip microcomputer 1 is by wire and analog-digital chip 2, demultplexer 4, button 6, display screen 7 is connected, analog-digital chip 2 is connected with waveform generation chip 3, waveform generation chip 3 is connected with demultplexer 4, demultplexer 4 is connected with amplifying circuit 5.

The model of described single-chip microcomputer 1 is AT89C52, the model of analog-digital chip 2 is TLV5606, the model of waveform generation chip 3 is ICL8083, ICL8083 is a kind of accurate oscillating integrated circuit with multiple waveforms output, only need to adjust other outer member and just can produce the low-distortion sine wave from 0.001HZ~300kHz, triangular wave, the signals such as square wave, the frequency of output waveform and dutycycle can also be by Current Control, the model of demultplexer 4 is 74HC4051, 8 tunnels analogy demultplexers, the model of amplifying circuit 5 is LM358, the model of display screen 7 is LCD1602.

The principle of work of native system: single-chip microcomputer 1 comes control waveform to produce output waveform frequency and the dutycycle of chip 3 by the output voltage of controlling analog-digital chip 2, waveform generation chip 3 is sine wave output simultaneously, three kinds of dissimilar waveforms of triangular wave and square wave, three kinds of different wave of waveform generation chip 3 outputs are delivered to demultplexer 4, single-chip microcomputer 1 selects a kind of signal in three kinds of signals to be exported by controlling demultplexer 4, the signal of demultplexer 4 outputs is amplified rear output by amplifying circuit 5, single-chip microcomputer 1 changes output frequency by button 6, dutycycle and type of waveform, single-chip microcomputer 1 shows corresponding frequency by display screen 7, the information such as dutycycle and type of waveform, power module of voltage regulation 8 is powered for whole system.

Claims (2)

1. a controllable signal generator, comprise single-chip microcomputer (1), analog-digital chip (2), waveform generation chip (3), demultplexer (4), amplifying circuit (5), button (6), display screen (7), power module of voltage regulation (8), power module of voltage regulation (8) is by wire and single-chip microcomputer (1), analog-digital chip (2), waveform generation chip (3), demultplexer (4), amplifying circuit (5), the power pins of display screen (7) is connected, single-chip microcomputer (1) is by wire and analog-digital chip (2), demultplexer (4), button (6), display screen (7) is connected, analog-digital chip (2) is connected with waveform generation chip (3), waveform generation chip (3) is connected with demultplexer (4), demultplexer (4) is connected with amplifying circuit (5).
2. a kind of controllable signal generator according to claim 1, it is characterized in that: the model of single-chip microcomputer (1) is AT89C52, and the model of waveform generation chip (3) is ICL8083, and the model of demultplexer (4) is 74HC4051.
CN2013203364956U 2013-06-09 2013-06-09 Controllable signal generator CN203324325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203364956U CN203324325U (en) 2013-06-09 2013-06-09 Controllable signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203364956U CN203324325U (en) 2013-06-09 2013-06-09 Controllable signal generator

Publications (1)

Publication Number Publication Date
CN203324325U true CN203324325U (en) 2013-12-04

Family

ID=49663663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013203364956U CN203324325U (en) 2013-06-09 2013-06-09 Controllable signal generator

Country Status (1)

Country Link
CN (1) CN203324325U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950758A (en) * 2015-06-15 2015-09-30 北京工业大学 Multi-channel isolation and program-controlled analog signal source system
CN105652050A (en) * 2016-03-24 2016-06-08 西安鹰之航航空科技有限公司 Multiplex waveform output system and method
CN106580679A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian treatment device with small waveform distortion factor
CN106580675A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 High-reliability electronic meridian treatment instrument
CN106580676A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian treatment device capable of measuring current value efficiently
CN106580677A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic apparatus easy for current equalization
CN106581857A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Low-loss electronic meridian therapeutic instrument
CN106580674A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic apparatus with low current detection cost
CN106581856A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic instrument having small output signal frequency error
CN106693174A (en) * 2016-12-03 2017-05-24 潍坊大地医疗器械有限公司 Electronic meridian therapeutic instrument timely in jar dropping

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104950758A (en) * 2015-06-15 2015-09-30 北京工业大学 Multi-channel isolation and program-controlled analog signal source system
CN105652050A (en) * 2016-03-24 2016-06-08 西安鹰之航航空科技有限公司 Multiplex waveform output system and method
CN106580679A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian treatment device with small waveform distortion factor
CN106580675A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 High-reliability electronic meridian treatment instrument
CN106580676A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian treatment device capable of measuring current value efficiently
CN106580677A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic apparatus easy for current equalization
CN106581857A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Low-loss electronic meridian therapeutic instrument
CN106580674A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic apparatus with low current detection cost
CN106581856A (en) * 2016-12-03 2017-04-26 潍坊大地医疗器械有限公司 Electronic meridian therapeutic instrument having small output signal frequency error
CN106693174A (en) * 2016-12-03 2017-05-24 潍坊大地医疗器械有限公司 Electronic meridian therapeutic instrument timely in jar dropping

Similar Documents

Publication Publication Date Title
CN102611964B (en) Power amplification circuit and system
CN202637105U (en) High-frequency electric scalpel generator based on field programmable gate array (FPGA)
CN102641152B (en) High-frequency electrotome generator based on FPGA (Field Programmable Gata Array)
TW200638667A (en) Fan module and control apparatus thereof
CN103633967B (en) A kind of digital arbitrary waveform generator
CN204177882U (en) A kind of ignition coil instrument
CN201569491U (en) Noise detecting and warning device
CN102591436B (en) Notebook computer radiator capable of matching air speed along with temperature variation
CN203156192U (en) Electric soldering iron
CN102386891A (en) Handheld low-power-consumption broadband DDS (Direct Digital Synthesizer) signal source
CN202182933U (en) Low frequency numerical control signal-generator based on direct digital frequency synthesizer
CN203722530U (en) Variable frequency air conditioner, air condition compressor controller and current sampling circuit thereof
CN202135100U (en) Three-level D-class audio power amplifier
CN203825088U (en) Harmonic-wave detection device
CN103631307B (en) The power control circuit of radio-frequency power amplifier
CN203224479U (en) Singlechip-based ultrasonic detection device
CN203872137U (en) Microwave power amplifier
CN105811892B (en) A kind of double bias supplying circuits of mobile terminal
CN203192216U (en) Bluetooth-based temperature and humidity acquisition device
CN201885679U (en) Linear displacement sensor demodulation conditioning circuit
CN200965642Y (en) DC temperature control circuit
CN204270052U (en) A kind of intelligent control switch
CN201868931U (en) Wireless charger with Bluetooth and Wi-Fi (wireless fidelity) connecting technology
CN202027411U (en) Intelligent electric kettle control device
CN2524430Y (en) Voltage/current conversion circuit

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131204

Termination date: 20140609

C17 Cessation of patent right