Suitable for audio signals in electronic music, this circuit was published in the September 1973 issue of Radio Electronics magazine. The transistors were general-purpose types at the time.
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...
This oscillator for receiving SSB signals is intended for receivers with IF of 455 kHz. The...
This simple transmitter for the citizen range was obtained in a 1983 publication and has only one...