This small regulator with transistors can supply 75 mA currents for charging NiCad rechargeable batteries. The circuit is from the 90s, using components from that time.
The presented circuit is a sinusoidal oscillator for 1 kHz that makes use of the four amplifiers...
This headphone amplifier has good gain and high input impedance. The circuit is from Electronics Now and...
Based on the 4006 this circuit generates random signals in a frequency range that depends on L1...