Results tagged #741 Op Amp in Circuits
Battery status indicator circuit diagram
741 op amp can be used as a voltage comparator. Non-inverting input and a zener control source. The reference voltage is 5.1V. R2 can adjust...
WIEN BRIDGE OSCILLATOR CIRCUIT
A 741 op amp is connected to a Wien-bridge, audio-sine-wave oscillator configuration, with C1, C2, R1, and R2 determining the circuit`s oper...
12W Amplifier Using 741 Op Amp
12W Amplifier Circuit Using 741 Op Amp A 12 watt audio amplifier operating on a dual symmetrical supply of ± 12 volts. The 741 provides the...
Low-cost-voltage-to-frequency-converter
The 741 op amp integrator signal is fed into the Schmitt trigger input of an inverter. When the signal reaches the magnitude of the positi...
100K megohm DC probe
A 741 op amp is used with 100% ac and dc feedback to provide a typical input impedance of 1011 ohm and unity gain. To avoid hum and rf picku...
Battery condition indicator
A 741 op amp is employed as a voltage comparator. The noninverting input is connected to zener reference source. Reference voltage is 5V. R2...
Sound AC switch
The circuit uses a 741 op amp operating as an inverting amplifier to amplify the voltage produced by an 8-ohm speaker used to detect any sou...