3-Bit AD Converter (CB9027E)

This fast converter using operational was found in a 70s American documentation. The circuit can be implemented with equivalent components.

Frequency-Corrected Astable (CB25651E)
This frequency-corrected 1 kHz circuit has a nearly perfect rectangular signal. The circuit is...
CMOS 4011 or 4001 Injector (CB4608E)
This signal injector uses a single integrated circuit as an oscillator, producing rectangular...
Transceiver To 13.5 MHz (CB4411E)
This high power transceiver provides a few watts of output thus enabling long distance...