This circuit makes use of a 741 single source operational amplifier to measure resistors on a linear scale. The circuit may use as an indicator a common multimeter on a low current range.
We found this circuit in an American documentation. The employed components are common and the...
Exciting buzzers we have the circuit of the figure, which has a modulator by interruption, with a...
This amplifier provides 7 W x 16V output and 10 W with 20 V in load of 4 ohms. At 8 ohms the power...