This circuit is from an old Japanese publication of 1962. The circuit uses two batteries, one for the filaments of the tubes and the other one of high voltage for the plate circuits.
The TSC102 integrated circuit from ST-Microelectronics consists of a current sensor system that, in...
June 2017 - These new AVX capacitors are suitable for filter applications, considerably reducing...
The figure shows how to increase the output current to about 50 mA of an operational amplifier. The...