This modulator amplifier for transmitters was found in a 1947 American book. The circuit uses an output with 4 tubes connected in parallel and in push-pull.
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...