5V switch (CB8705E)

Found in a 90s EDN, this circuit makes use of period components. The maximum current depends on the MOSFET.

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Ladder Generator (CB15915E)
The first circuit, shown in the figure, generates a stepped signal whose frequency depends on the...
Differential Pair (CB6134E)
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...
Automatic Headlight (CB17266E)
The purpose of this circuit is to control the high and low light of a car, detecting when a...