High current buffer (CB7280E)

Suggested by Popular Electronics, it is a digital amplifier, for pulses with frequencies up to a few megahertz.

Quartz PNP Oscillator (CB18933E)
This oscillator can generate signals up to about 10 MHz, depending on the crystal used. The...
Miller Oscillator (CB9649E)
This crystal-controlled 1000 kHz oscillator was found in 1980s American documentation. The...
Zero crossing detector (CB20624E)
This type of circuit, found in American documentation from the 1980s, triggers producing output...