This amplifier for instrumentation with very high input impedance was found in a manual of JFET circuits. The operational ones used are current and the power supply must be symmetrical.
We found this circuit in a Japanese publication from the 60s. The transistors are made of...
Launched in 2017 the Microchip CL88020 is an LED driver optimized for 120 VAC input applications with an...
This circuit is from old documentation, using a component that cannot be found easily today. The...