Replacing Vibrators, Pt3 - August 2023 - Silicon Chip Online
What is the simplest circuit that can replace a mechanical vibrator in a vintage radio? Could early germanium power transistors from the 1960s be used in a design that would have been economical then? The answers to both questions are yes; here is how it would work. by Dr Hugo Holden
Source: siliconchip.com.au