I need some help for figuring out the output voltage for: V1 = +0.1 V (DC) V2 = 0.1 V (p-p) sinusoid
N Thread Starter need_help Joined Sep 7, 2009 23 Jan 28, 2010 #1 I need some help for figuring out the output voltage for: V1 = +0.1 V (DC) V2 = 0.1 V (p-p) sinusoid Attachments circuit.jpg 10.6 KB Views: 19
t_n_k Joined Mar 6, 2009 5,455 Jan 28, 2010 #2 Are you able to work out the effective voltage at the op amp +ve input terminal? R1 & R2 values will have an important effect on this value. Assume the amp has infinite input resistance at either input terminal.
Are you able to work out the effective voltage at the op amp +ve input terminal? R1 & R2 values will have an important effect on this value. Assume the amp has infinite input resistance at either input terminal.
N Thread Starter need_help Joined Sep 7, 2009 23 Jan 28, 2010 #3 For the non-inverting op-amp: Vout= Vin (1+(R3/R4)) How do I handle Vin (V1 and V2) ?
Audioguru Joined Dec 20, 2007 11,248 Jan 28, 2010 #4 V1 and V2 make a voltage divider that reduces the AC signal to the opamp and will reduce the DC if V2 has a DC voltage.
V1 and V2 make a voltage divider that reduces the AC signal to the opamp and will reduce the DC if V2 has a DC voltage.
t06afre Joined May 11, 2009 5,934 Jan 28, 2010 #5 Use superpostion decribed here http://www.allaboutcircuits.com/vol_1/chpt_10/7.html
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