This circuit is from a 70s Burr Brown documentation. The components are from the time and the waveforms given next to the diagram.
CHANDLER, Ariz., Sept. 15, 2015 [NASDAQ: MCHP] — Microchip Technology Inc., a leading provider of...
Suggested by Motorola documentation from the 1980s, this circuit makes use of MOSFETs of the time....
This sensor uses a capacitive system that oscillates at 45 MHz with the empty glass tube. Its...