Banasthali VidyapithB.Tech. (EI) (FIFTH SEMESTER)Assignment- (2014)Analog Integrated Circuits1. The figure below shows a 4 input inverting summer. The circuit is to be designed for an output voltage given by vO = (2vI1 + 4vI2 + 6vI3 + 8vI4). When the peak output voltage is 10V, the current through RF is to be 0.5mA. Specify the resistors in the circuit. (4)

2. Design a Schmitt trigger for VUT= 100 mV and VLT=-100mV. Use 741 OP-AMP and 15 V power Supply. Draw circuit diagram and transfer characteristics. 3. In the Op-Amp circuit shown, assume that the diode current follows the equation I=Is exp(v/vt). For Vi=2v, vo=vo1 and for vi=4v, v0=vo2 than obtain the relationship between vo1 and vo2.

4 The circuit shown in fig. below is at steady state before the switch opens at t = 0. Calculate the vc(t) for t >0.

5. In the circuit of fig. below3.5.11 the voltage vi1= is (1+2 sin2t) mV and vi2=-10 mV. Calculate the output voltage

6. Find the value of R in the circuit of Fig. below for generating sinusoidal oscillations. Find the frequency of oscillations

7. In Figure below assume the OP-AMPs to be ideal. Calculate the output of the circuit

8. In the op-amp circuit given in Figure below Calculate the load current IL

9. Calculate the transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diodes)

10. Obtain the transfer funtion of the circuit given beleow and sketch the frequency response.

11. Obtain the value of VUT and VLT of the non-inverting Schmitt trigger circuit shown in the figure below. Also Sketch the transfer characteristics of the circuit.