This is collected by the Macsot MR-700 wireless microphone system launch of the circuit for maintenance reference. High Quality Audio on receiver output.
Active components:
- Microphone or Audio Preamplifier with IC MC4458
- Dynamic Audio processed with one NE571 From Philips
- Frequency Oscillator generated by one crystal 20.05 MHz and Varactor diode 2CB11A. No drift frequency is guaranted.
- 9V DC power supply or battery. Source: High Quality wireless microphone
See More : Voice Fm Transmitter - Transistor FM Transmitter - Microphone FM Transmitter
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