Vi2 Vi1 HIHI Hi R2 www www R1 VA İR4 R4 www Vcc + Vee R3 [mA] io [V] For the difference amplifier shown in the the values of the components used in the circuit are as follows: Vi14.07 [V], V₁2 8.87 [V], Vref= -0.9 [V], Vcc=+50 [V], Vee-50 [V], R₁ = 16882 [N], R₂ = 16882 [N], R3 = 26008 [2], R4 = 26008[2]. Calculate: the output voltage of the Op-Amp Vo: the voltage at the point A VA: the output current io: the current passing through R4 İR4: the current supplied by the power supply V.₁ İ1= Vref [V] Vo [mA] [mA]

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Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.