LT123 Low Voltage Linear Regulator (CB4399E)

The circuit presented is from the 1993 Linear Technology Applications. The components used were common at the time.

Extending the range of the 4017 IC (CB24801E)
This circuit is from the Radio Electronics magazine of May 1984. With it, it is possible to...
VCO LM3900 (CB15635E)
A VCO or voltage-controlled oscillator, which uses only two of the LM3900 amplifiers, is shown in the...
700 mW amplifier with LM386 (CB966E)
This is one of the many versions of amplifiers with LM386. This was achieved in an old publication (1981). The...