Datasheet of We found this circuit in the 1982 SGS Linear Integrated Circuits manual. A | table gives the obtained voltages, remembering that the output current is low. The circuit can be powered by voltages from 8 to 16 V with outputs from 19 to 43 V.
This oscillator from a 1970 documentation uses an operational amplifier that is no longer common on...
The integrated circuit used in this 90's circuit is not common today, but the configuration can be...
Found in a 70s RCA manual, this circuit uses a transistor of the time for an UHF L band...