Two relay and neon shield (CB8834E)

Found in old American documentation, this circuit that can be used as a shield, activates two relays and a neon lamp with different voltages.

| Clique na imagem para ampliar |

Class A power amplifier (CB22236E)
This circuit is from an American publication from the 60's. The power is on the order of 600 mW....
LED Driver MC34071 (CB15285E)
Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 d...
Device On indicator (CB7014E)
Found in a European magazine from the 90s, this circuit emits beeps that are several seconds apart to...