Audio amplifier 741 (CB20478E)

This low power audio amplifier was found at 1992s Popular Electronics. Transistors are general purpose common types.

Simple Touch Switch (CB4997E)
This circuit triggers a load that depends on the characteristics of the transistor when we touch...
LTC7841 PolyPhase® Synchronized Boost Controllers
LTC7841 PolyPhase® Synchronized Boost Controllers Mouser Announces Analog Devices LTC7841...
Current Booster (CB4901E)
We found this circuit in an old American operational Amp. documentation. The circuit applies to...