This amplifier with fixed AC bias was found in a 1947 documentation. The circuit uses two transformers in the power supply and two full-wave rectifier tubes.
This circuit was found in an American documentation from the 70s. The operational amplifier is...
The purpose of this circuit found in an old documentation from the 90's is to switch on low...
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...