Found in an Electronic Design from the 90's, this circuit measures the equivalent resistance in series of a resistor. The circuit operates at 50 kHz producing a rectangular signal.
This circuit is from a Poptronics, American magazine of August 2000. The circuit can be assembled with...
This is the normal configuration for the TDA2003 integrated circuit, an amplifier that can provide 10...
This stabilized source can supply currents up to 700 mA and the output voltage is close to 15 V. a...