Simple FM radio
Source: InternetPublisher:偷熊计划 Keywords: FM radio Updated: 2025/10/28
A simple FM radio that can be used to receive radio and TV audio.
L1 and Cp1 control the oscillation frequency of the tuning circuit, and the following Q2 and Q3 are audio amplifier circuits.
The whole machine is powered by a 1.5V battery. It can be used for more than 2 months with ordinary dry batteries, which is very energy-saving.
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