wireless microphone circuit

Posted on Feb 6, 2014

The ambit of frequencies for the FM advertisement bandage is 90MHz (MHz = Megahertz or 90 actor cycles per second). Because the FM microphone has a capricious acquainted circuit, it can be acquainted to a quiet atom on your bounded FM advertisement bandage for the best reception. When the baby microphone aspect is addled by sound, it converts the

wireless microphone circuit
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audio to a change in accepted through resistor R1 (see schematic diagram). This electrical change is amplified and eventually abundance modulates the transmitter. The manual ambit of the FM microphone is about 100 feet, depending on the ability of the antenna (properly acquainted or not) and the affection of the FM radio receiver.

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