We found this circuit for receiving shortwave on a mediumwave radio in a 1986 Hobbyst Electronics PE. The circuit has the received band given by T1 which can be an FM IF.
This circuit was taken from Maxim documentation from the 90s. The components are from the period....
Here we show how a Constant Current Source can be created in the Multisim Blue using a common BJT...
This circuit has several features, such as timing to activate and deactivate, in addition to a...