This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.
The two circuits shown show how to obtain an SSB / CW control for receiving this signal top at a...
Thes astable was found in old publication of 1968. The circuit uses general purpose germanium...
This control panel allows the use of NO and NC sensors, turning the alarm on after 30 seconds...