This is the receiver for the previous circuit, also found in 90s Radio Electronics. The circuit operates at 2.25 MHz, detecting variations in signal frequency due to the Doppler effect.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This 50's receiver includes an amplifier stage with a transistor complementary to the CK722, in...
Found in Popular Electronics from the 90's, this circuit makes use of components from the time. |...