Problem D continued b. Determine Vout for the given input signal SIG Rx 20k Ry 5k Vcc o- Vcc/-Vcc +10v/ -10V VOUT -Vcc Rx Ry VREF VSIG (t) 6V -6V VOUT (t)

why the frequency fT is called the ? unity gain frequency

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Problem • Determine the input and output impedances of the given amplifier. The op-amp datasheet gives: Zin = 2 Mohm, Zout = 75 ohm, A = 200000. 4 Find the Closed-loop voltage gain. www R OV 220 ΚΩ R₁ 10 ΚΩ out

1-C) Which op-amp IC is more suited for digital applications, and why?1-D) Which op-amp IC is more suited for instrumentation applications, and why?

CE Amp with pnp transistor VEE = 12V RE 13K2 prp B=l00 R2 look CE VA = O0 %3D Ri : G Rout (ka C2 RIN 300k2 Re RL Vo 43 k2 43k2 Find : 6) Av 6) RIN G) Rout d) max Vi to avoid small signal distortion ) max Vi to awidgoutput noltage ongadistarihim clipping in the

A type II compensator implementation for the above Buck converter is shown below. Ce2 Vout Cet HH Ret Vctrl R2 E/A Vset What should be the voltage Vref in the above type II compensator to produce 5V DC output if R# = 4k and R2=1k. а. Vet b. Write the small signal gain equation (-ctrl) between Vetrl and Vout- out с. Does R2 present in the above gain equation. Please add some explanation. d. How many poles and how many zeros are produced by this type II compensator?

3) With reference to the switching conditions given below develop an appropriate circuitry that can develop output waveforms as given below, Mark in the circuitry the different components as well Periodic Time (T) A +VL 90° 180° 360 450° 540° time 270° -VL VAB VAC VBc VBA VCA VCB VAB VẠC VBc VBA VDC Vpc 30° 90° 150° 210° 270° 330° 390° 450° 510° 570° time 60° Output Voltage Waveform

CONSIDERING THE D/A CONVERTER BELOW, WITH RF =500S2, FILL IN THE TABLE WITH THE ANALOG VALUE OF EACH RESPECTIVE DIGITAL INPUT. De 1 k2 MSB 2kQ Cow BW 8 k A W LSB DIGTAL INPUT O OR 5V Ampi. op. +Vs -Vs VOUT D 0000 0000 1 1 1 1 1 1 1 1 INPUT B A 0 1 0 1 C 0000 1100 1 1 1 1 0000 1 1 1 1 1100 0004 1 1100 0 1 0 1 1000 0101 VOUT (volts)

IREF lev V+ -5V R₁ Qs VRES VE Delta lo= 66 microamperes OR Afo=651 Delta lo= 0.33 mA OR A=0.351 V-=-5V If VCE2 changes by 4V. how much change in output current occurs? Choose the answer closest to what you have found Delta lg-0.133 mA. OR A=0.1331 Delta lo= 0.1 mA OR A=0.11 Q₂ Delta lo-0.2 mA OR A=0.21 ca-lo R1-8.6k VBE3-VBE -0.7V VA= 60V B-100