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Stereo encoder circuit with discrete components
Related component PDF download:In the circuit schematic diagram IC1-4069, Y1 and Y2 form an oscillator with a frequency of 76KHZ. After Y3-Y6 isolation and shaping, it is sent to the two groups of frequency division circuit composed of I...
Infrared remote control signal repeater circuit
Simple FM transmitting circuit (two tubes)
A Simple Circuit of Long Distance Wireless FM Microphone
Many enthusiasts are eager to find a wireless microphone with long transmission distance, high pickup sensitivity, long working time without frequency running, simple debugging and production, and low cost. The single tube long-distance wireless F...
A Simple Circuit of Long Distance Wireless Microphone
Related component PDF download: Many enthusiasts are eager to find a wireless microphone with long transmission distance, high pickup sensitivity, long working time without frequency loss, high simplicity and low cost. The single tube lo...
Demodulator circuit principle
1、 Operating principle of demodulatorDemodulator is an important part of modulated DC amplifier circuit. It reduces the amplified AC voltage to DC voltage, and its size and polarity should correspond to the amplitude and phase of AC volt...
Several wireless microphone circuits
Related component PDF download:Several wireless microphone circuitsEditor's note: This article introduces in detail several representative low-power transmission circuits within the 88~108MHz FM broadcasting range that are easy to be mad...
Simple FM transmitter diagram
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Simple FM transmitter circuit diagram
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TV sound infrared transponder circuit
Related component PDF download:This TV sound infrared transponder has the advantages of simple structure, easy production, no interference, low noise, etc. operational principle The transponder consists of transmitting and receiving par...
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