Signal Injector (CB1385E )
- Details
- Published: Monday, 09 March 2020 12:46
- Written by Newton C. Braga
This traditional signal injector from a 1970s publication uses germanium transistors. We can mount it with silicon transistors like the BC558 and it will run with voltage power between 1.5 and 9 V. The output is a rectangular signal whose frequency depends on the capacitors.