We found this circuit in an 80's manual. The same configuration can be adapted to make use of modern operational amplifiers. The power supply is symmetrical.
This circuit is from a 1975 Motorola manual. The FET can be the BF245 and the output voltage...
This circuit for shunt motors was found in an American 1980s documentation. The SCR should be rated...
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...