This old two-stage video amplifier uses integrated circuits that are not easily obtainable today. The circuit is for analog video and was found in an American 1980s documentation.
This TTL oscillator can be used as clock in many applications. The output signal is square and the...
The circuit presented in the figure is an amplifier for stereo sources with the Maxim MAX9723...
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...