This switched-mode circuit was found in the April 1976 issue of Radio Electronics magazine. The circuit has low current and is suitable for 6 V digital applications.
This circuit for monitoring telegraphy transmissions was found in a 1975 CQ magazine. Transistors may be...
The integrated circuit used in this application is like the 555. The components depend on the...
The circuit presented is a simple MW tuner that can be plugged into the input of any audio...