We found this circuit in the October 1970 issue of Radio Electronics magazine. It uses the then-new CA3018 integrated circuit from RCA. Some resistors are required for best performance.
This modulated transmitter for a light beam communication system was found in the 1991 Electronics...
This phase-shift oscillator with a transistor generates sinusoidal signals in the audio range. The...
This signal amplifier for ATV in the 427 to 439 MHz band was found in a magazine 73 for radio...