This mixer with 20 dB gain per channel uses RCA's CA3048 integrated circuits. We found it in the July 1971 Radio Electronics magazine. The power supply does not need to be symmetrical.
This circuit is from a Radio Electronics from 1950. The transistor was still new and called a...
This low power metronome produces pulses in a small loudspeaker. Pule rate is adjusted by P1 and...
Found in 1967 General Electric documentation this circuit appears elsewhere in this section. SCRs are...