This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is intended for applications in superheterodyne receivers of the time.
Found in documentation from the 1980s, this circuit makes use of discrete components of the time....
To operate in a harmonic of the crystal frequency, tuned to a trimmer in the resonant circuit of...
The possibility of using the 4013 in the monostable configuration added to the input sensitivity of the...