Inverting CMOS Amplifier (CB25577E)

This gain 10 CMOS op amp was found in the May 1993 issue of Electronics Now magazine. It is applicable to any op amp.

741 Twin T Variable Filter (CB25604E)
This filter, which rejects frequencies around 1 kHz, was found in the August 1993 Electronics Now...
Symmetric 50 mA Regulator MC1568L (CB15327E)
The LM1468L can also be used. The circuit is from Motorola's Linear Interface ICs and the...
Fast TTL Probe (CB1462E )
We found this logic level tester in a 1976 documentation. The circuit is powered by the voltage of the...