This Japanese radio is from the 60s, presenting excellent sensitivity and an output power of 100mW with 6 V power from ordinary batteries. The circuit is of the superheterodyne type.
We found this circuit in a 1974 integrated circuit manual. Operational amplifiers can be of...
This oscillator can be used as a CIock-Triggered for various electronic applications. Oscillation only...
This circuit called “surf man” was published in the August 1992 Radio Electronics magazine. It...