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.
We find this circuit in an old American manual from the 80's. The circuit has a memory that keeps...
This circuit, found in a 1982 documentation, consists of a small inverter based on a Hartley...
This relay circuit protects against accidental inversion of input polarity. The circuit was...