Indicated for powering circuits with operational amplifiers, this source was found in Popular Electronics. The output voltage depends on the transformer used, as well as the current.
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
This circuit is from a 1978 publication, being connected to the contact breaker of cars that still...
June 2017 - The new power projection LEDs OSTAR projection from OSRAM can now be obtained from...