This circuit uses a 7-segment display to indicate the logic level of a test circuit. The power supply is made with 5 V that can come from the analyzed circuit itself.
This small transmitter with 2 transistors can reach several hundred meters using a 30 to 70 cm...
Built-in Littelfuse itself This SiC N Channel MOSFET for 1200 V can be obtained from Mouser...
This source draws a fixed constant current of 1 mA using a Norton operational amplifier. Other...