VMono VU meter (CB8229E)

Found in 90s Radio Electronics, this audio indicator makes use of an integrated circuit that is uncommon today.

| Clique na imagem para ampliar |

NE602 Frequency Doubler (CB25303E)
This circuit provides a signal that is twice the frequency of the input signal. The circuit was...
5W amplifier (CB17330E)
This unusual amplifier configuration is from 1986. The circuit has a high resting current given the...
Ultra Precise Delay Circuit (CB5152E)
This circuit is from an 80's American documentation. The circuit uses components of the time which...