Radio Receiver Circuit March 21, 2015 / by circuit wiring / in RF Radio Circuits Radio Receiver Circuit This radio works with solar batteries that provide voltages between 0.5 and 2V. Microphones should be magnetic, high impedance (2k or more). The coil is wrapped around a ferrite rod 1 cm in diameter with 28AWG wire. No related diagrams. Pocket Receiver with ZN414 & LM386 Single Chip FM Receiver TDA7012 circuit wiring Sorry, comments are closed!