10-Step Sine Generator (CB24472E)

This CMOS generator with the 4018 IC was found in a November 1976 Radio Electronics magazine. It uses a 741 op-amp as the audio amplifier.

| Clique na imagem para ampliar |

Linear Optocoupler (CB15704E)
The Motorola MOC501O optocoupler has a complete amplifier inside the sensor, enabling the...
Integrated Preamplifier (CB18987E)
This circuit is suggested by the Texas Instruments manual of linear applications of the 90's. The...
Alarm with NC sensors (CB25946E)
This circuit was found in the Radio Electronics magazine of May 1990. The supply voltage depends on...