This circuit for the 40 MHz band was published in Radio Electronics magazine in December 1957. Its purpose was to monitor the signals of the Russian satellite launched at the time.
This circuit, indicated by Texas Instruments, uses a high voltage regulator and a Darlington also...
Toshiba TCKE8xx eFuse IC Toshiba provides through Mouser Electronics circuits over current...
This old amplifier, with germanium transistors, was found in a Japanese technical magazine in...