This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be applied to modern equivalent transistors.
These reset circuits when the power is turned on were found in an 80's EDN. The circuit also...
With the appropriate choice of C1 and C2 it is possible to divide the frequency of a rectangular 3 V...
The circuit of the figure consists of a motor timer that can delay drives for up to 15 minutes....