This circuit is from an April 1991 Radio Electronics magazine. The circuit uses power MOSFETs and an integrated circuit from that time.
This circuit of an old documentation but with modern components still common today, brings...
This VCO with the 4046 PLL generates signals from 0 to 1.5 kHz. The circuit is from a Radio...
This circuit checks the oscillation capacity of a transistor. The circuit can be used with fixed...