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 a 90s American documentation, this circuit is used in vehicles with contact breaker. The...
We found this circuit in a 1957 Raytheon transistor publication. The circuit can be assembled with...
This TTL circuit is from a Radio Electronics magazine from February 1973. The circuit must be...