Basically this one transistor walkie talkie circuit, is the same as with other walkie talkie.
It's just that in this circuit, some audio amplifier transistor are replaced with audio amplifier ic. It aims to reduce the size of pcb, so that walkie talkie can be made with smaller size.
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L2= 3t, 2t, 2t |
One transistor in question is on transceiver only. This section is the most important on a walkie talkie, because this section serves to transmit and receive radio signals. So it can be used to communicate. For an explanation how this walkie talkie works, we will discuss it later.
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