Stereo audio meter (CB8228E)

This indicator or VU meter for stereo amplifiers was found in a 90s Radio Electronics. The integrated circuit used is uncommon today.

| Clique na imagem para ampliar |

Current Regulator LM10 (CB14315E)
The integrated circuit used in this National Semiconductor project is not the most common and the...
10 Gain Amplifier LM3900 (CB5042E)
In the figure we have the circuit of an amplifier for alternating signals with 10 times gain,...
Electronic Circuit Breaker (CB10302E)
I got this circuit from Hands-On Electronics, 1988. The American magazine no longer exists, but...