This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1 has values from 1 to 5 M ohm and R values around 10 k.
This new Texas Instruments component consists of an inductive proximity detector that can be used...
This preamplifier for phonographic capsules using FET was found in 90s American documentation....
This polarity inverter circuit for voltages down to about -12 V was found in the December 1992...