This is the circuit of a commercial radio sold in Japan in the 1960s. The IF is 455 kHz, and the supply is made with a voltage of 9 V. The radio receives stations in the medium wave range.
New Low-Power PIC24 “GA7” Microcontroller Family Now Available CHANDLER, Ariz., Dec. 12, 2016 — The...
The purpose of this receiver is to monitor the signal from a nearby transmitter. It was published in an...
The LM567 is a PLL tone decoder that can also be used as a double oscillator as shown in the...