The input resistance and output resistance of the opamp shown in the figure x (inverting amplifier) are 400ka and 4ka respectively. Also open loop gain is 200,000. If this opamp is operating in its linear region; Rf Rs = 5ka Rf = 100ka +Vcc = +20V +Vcc Rs ww -Vcc = -20V a. Calculate the voltage gain (Vo/Vg) b. If Vg = 1V calculate the value of Vn in Vo Vce Vg microvolts c. Calculate the resistance seen by the signal source d. Repeat (a)-(c) using the ideal model for the (Vg) opamp.

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Answer question c please

The input resistance and output resistance of the opamp shown in the figure x (inverting amplifier)
are 400ka and 4ka respectively. Also open loop gain is 200,000. If this opamp is operating in its
linear region;
Rf
Rs = 5ka
Rf = 100ka
+Vcc = +20V
+Vcc
Rs
-Vcc = -20V
a. Calculate the voltage gain (Vo/Vg)
b. If Vg = 1V calculate the value of Vn in
microvolts
Vo
Vce
Vgl
c. Calculate the resistance seen by the signal source
d. Repeat (a)-(c) using the ideal model for the
(Vg)
opamp.
Transcribed Image Text:The input resistance and output resistance of the opamp shown in the figure x (inverting amplifier) are 400ka and 4ka respectively. Also open loop gain is 200,000. If this opamp is operating in its linear region; Rf Rs = 5ka Rf = 100ka +Vcc = +20V +Vcc Rs -Vcc = -20V a. Calculate the voltage gain (Vo/Vg) b. If Vg = 1V calculate the value of Vn in microvolts Vo Vce Vgl c. Calculate the resistance seen by the signal source d. Repeat (a)-(c) using the ideal model for the (Vg) opamp.
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