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.
This circuit was obtained in a 1979 publication but can still be easily assembled today by...
July 2017 - The new touch switches from Alps SKPS series for surface mounting can now be purchased from...
This digital watch with TTL technology has an indication of hours, minutes, and seconds. We found...