Differential circuit diagram
Source: InternetPublisher:他们逼我做卧底 Keywords: Analog circuit differential circuit diagram Updated: 2020/11/28
The figure shows a practical differential circuit. This circuit is composed of a general-purpose operational amplifier. When the differentiator inputs a triangle wave, its output is a square wave, and the frequency of the input signal is determined by the resistors R1, R2 and capacitor C in the circuit. This circuit requires that the value of R1 is approximately one-tenth of R2, that is: R1=R2/10
The value of capacitor C is determined by the value of R2 and the input frequency fin. The relationship is: C=1/R2fin. Similarly, if the value of C is known, then R. The value is obtained from the following formula: R2=1/Cfin.
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