This circuit was obtained from a 1980's QST magazine. The circuit can generate 1 to 15 MHz signals with 1 Vpp at 50 ohms load. Used transistors are still common today.
This circuit was obtained from Linear Technology documentation from the 80's. Powered by 5 V it...
January 2017 - Pulse Electronics ER11 transformers with high insulation can be obtained from...
This circuit was found in an English magazine from 1973. The magazine no longer exists, but the...