The two circuits shown show how to obtain an SSB / CW control for receiving this signal top at a common receiver. The circuits were found in an old American manual from the 80's.
This circuit uses two transistors, the low noise BC549. Its quality is very good and it has a...
This simple circuit was found in an old documentation. The transistor can be changed according to the...
This complementary-output amplifier can be used to source a good qualuty signal to high impedance...