LM3914 Moving Point Voltmeter (CB25113E)

This circuit was found in a March 1988 Radio Electronics. The voltage scale is set at R3. 19 LEDs are used in this indicator circuit.

| Clique na imagem para ampliar |

CMOS 555 With Variable Duty Cicle (CIR088E)
The time the output is high (1) of a TLCSSB in the astable configuration depends on Ra and C. The...
Battery Charger (CB16778E)
The adjustment of the maximum load voltage is made in the trimpot. The circuit is from 1994...
NOR Crossed Gates (CB21500E)
This circuit from a 1967 documentation generates 2.5 Hz signals depending on the capacitors used,...