MOSFET Switches (CB21260E)

These are drive circuit using power MOSFETs. We found it in a Popular Electronics from the 90s.

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Instrumentation Amplifier TL082 (CB901E)
This very high input impedance circuit is suggested by Texas Instruments. The circuit can be...
VCO triggered by a 4011 inverter (CB25759E)
We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on...
LM3914 Audio Peak Indicator (CB24654E)
This bargraph circuit using LM3914 was found in the October 1980 Radio Electronics magazine. Note...