In the figure we have a stereo decoder from the 70's with pilot lamp for signal indication. The circuit employs a component of the time, which is uncommon today.
The National Semiconductor LM675 operational amplifier can provide up to 3 A of output current. In the...
This circuit was obtained from a Philips documentation from 1970. It can be built on modern...
April 2017 - Mouser Electronics already stocks the new Broadcom APDS-9500 proximity and gesture...