FM wireless intercom circuit
Source: InternetPublisher:sigma Keywords: FM wireless electromechanical wireless intercom Updated: 2021/07/23
Circuit working principle: The transmitter circuit of this machine is based on the principle of simplicity and abandons complex
matching and filtering networks. It specially uses a high-frequency and low-noise
special transistor BFR96S with a cut-off frequency of up to 5 GHz to form a capacitive three-point oscillation circuit with first-level collector modulation.
road. Its audio modulation is deeper, the human body is less sensitive, and the stability is quite good. The final stage uses
a special transmitter transistor D40 as a Class C high-frequency power amplifier.
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