This circuit appeared in the November 1995 issue of Electronics Now magazine. The circuit uses current components and is suitable for applications with analog TV signals.
This is an old test circuit for integrated TTL counters, feeding a Nixie tube, common at the time....
This old oscillator using germanium transistors has a high impedance headphone as inductor to...
This preamp with several inputs using germanium transistors from the time was found in Japanese...