Sunday, June 28, 2015

Circuit Schematic Schmitt Trigger using IC uA 741

Eltronicschool. - Do you still remember about schmitt trigger term is electronic field? A Schmitt trigger circuit shows two distinct signal input levels for turning the circuit ON and OFF. The difference between the Von and Voff voltages called hysteresis Schmitt triggers are useful in converting slowly rising waveforms into fast rising ones and in relay like application.

In this time we will show you about Circuit Schematic Schmitt Trigger using IC uA 741 like in figure 1 below, and then we will show you global description about the circuit schematic.

Circuit Schematic

Figure 1. Circuit Schematic Schmitt Trigger using IC uA 741 (Source: Circuitstoday)

Component Parts
  1. IC1 = uA 741
  2. Resistors
  3. Capacitors
  4. Variable resistors

Description

Circuit schematic like in figure 1 above is Circuit Schematic Schmitt Trigger using IC uA 741. This circuit based on op-amp IC 741. According Circuitstoday site that The circuit shown here uses a 741 with positive feedback via R5,R6 and R7 for fast switching.Voltage dividers R8 and R9 set the DC input voltage to the non-inverting input terminal to half the supply voltage. The amount of positive feedback depends on the ratio of R6 and R7, the larger the ratio,the smaller will be the hysterisis shown by the circuit.Potentiometer R2 sets the DC voltage to the inverting input terminal and thus sets the threshold voltage at which the signal will trigger the circuit. The input signal can be applied to either of the two input terminals.

To know more some of notes of Circuit Schematic Schmitt Trigger using IC uA 741 you can continue your reading from here.


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