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 strobe light circuit with xenon lamp was found in a 1995 documentation. The circuit is...
This transceiver circuit was found in a 1997 documentation. The circuit operates in the 80 meters...
The TSC102 integrated circuit from ST-Microelectronics consists of a current sensor system that, in...