MW Receiver ZN416E (CB20680E)

Found in a Popular Electronics from the 90s, this circuit makes use of an unusual integrated today. The coils are for the medium wave range.

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100 kHz common drain oscillator (CB8062E)
Similar to other circuits found in this section, this circuit is from a 1996 Electronics World;...
Dimmer with TDA1185A (CB14541E)
This circuit was suggested by Motorola's Linear Databook of 1990. The integrated circuit, uncommon...
High Voltage Current Sensor (CB5387E)
We found this circuit in a 2005 Linear Technology manual. The circuit can operate directly on 3 V to 36 V...