Wireless microphone circuit
Source: InternetPublisher:念慈菴 Keywords: Wireless microphone BSP FM wireless Updated: 2021/04/14
(1) FM wireless microphone circuit The FM wireless microphone
circuit is shown in the figure and can
be used as a wireless microphone for FM radio or cassette recorder . An oscillator circuit
composed of crystal VT (9018) and L, G, C, G and other components generates a high-frequency carrier. At the same time, the audio signal
sent is input from the VT base to complete frequency modulation. The FM signal is G coupling, output by antenna TX.
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