This narrowband data receiver is from the Philips Databook of 1990. The circuit is powered by 5 V and N1 has 3.21 turns, N2 1 turns with Q = 16.
The frequency of TTL square signal is divide by 5 with this circuit. Power supply is 5 V and the...
This interesting circuit was obtained from a Poptronics of February 2001. The American magazine no...
This circuit was found in an English magazine from 1983, but it can be assembled with BC548 for...