The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard oscilloscope. The frequency range depends on the switch settings.
This circuit can send signals in both the VHF and FMN bands with a range of a few tens of meters. The...
This circuit was found in an Elektor from the 90s. The integrated circuits are not very common...
This amplifier with the RCA CA3018 integrated circuit was found in the August 1970 issue of Radio...