Postlab 4 Report

= 5v1 – 2v2. Design the operational amplifier circuit so that vout = Operational amplifier circuit v1 20 k2 Vout v2

Q) Figure below amplifier .given the input wave FOrm Shows a Comperator Circuit Vs using 6 sin wt Volt. the output OPerational Sketch and label the input Voltage Vs and wave Forms Voi and Vo1 12 V tov -10V Vs - lov Vos -tov

Determine the required values of R1, R2, Rc, and RE. Also, determine the expected output voltage if the input voltage is equal to 0.001 Vrms. GIVEN: Zi = 1145.66 ohms Zo = 3.3 Kohms Beta = 80 Vcc = 20V R1 + R2 = 43.7 Kohms Av = 167.43 Ai = 58.13

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5. For the given op-amp, determine the voltage gains: (a) Av]=Voj/Vi and (b)Av=Vo/Vi. R, Re VioN R4 Vo Vo1 RI-1K , R2=10KΩ, R3=10ΚΩ, R4-ΚΩ, R5-40ΚΩ, R6-4KΩ

R1 R3 R5 R2 R4 R6 Vo Vin Determine the output peak voltage, Vo R1=18190 ohms, R3-18190 ohms, R4=18190 ohms, R2-R4=R6%3D63880hm and peak input voltage Vin38uV

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1. The input signal in Figure 1(a) is applied to the comparator in Figure 1(b).Draw the output showing its proper relationship to the input signal. Assume the maximum output levels of the comparator are (+/-)12 V. Values of R₁ and R₂ are as follows. (a) R₁ = 8 K Ohm, R₂ = 12 K Ohm (b) R₁ = 12 K Ohm, R₂ = 8 K Ohm n Figure 1(a) 5 V- Vin 0 2. Find Output Voltage Vour for the circuit in figure - 2, below. R₁ VINI = +1 VOM 100 K Ohm R₂ VIN2 = +2 VOM 200 K Ohm R3 VIN3+3 VC www 300 K Ohm R4 VIN4+4 VO www 400 K Ohm R₂ www 50 K Ohm +10 Volt Figure - 2 Figure 1(b) VOUT Vout

The gain of the instrumentation amplifier IA is 800. Determine the gain of the circuit V. / VIN? Select one: 30 k2 O a. 160.0 Ob. 0.0 E IA Oc. 0.2 Od. 800.0 20 k2 80 kL Oe.

U1 VIN VOUT FM input IN 3. IN REF c2 130nF TCAP Demodulated output TRES R1 4K7 VCON 10 +VCC -vcc C1 1500F LMS65/TO Figure 1: LM565 PSPICE model For the circuit of Figure 1, determine the free running frequency (kHz): For the circuit of Fligure 1, determine the loop gain (ratio) (mega): For the circuit of Figure 1, determine the lock (or hold) range (kHz): For the circuit of Figure 1, determine the capture range (kHz):

A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is O 2.5mV/pC O 1mV/pC O 1.5mV/pC O 4mV/pC

Without bypass capacitor CE, determine the new voltage gain vcc R1 Ro CB Co Vo Q1 R2 RE CE Zi - 1145.66 ohms Zo - 3.3 kohms Beta - 80 Vcc - 20 v R1 + R2 - 43.7 kohms Av = -167.43 Ai = 58.13 A -2.95 -10.56 c) -32.83 -50.21

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Draw the output on top of the input waveforms for the circuits below. For all circuits in this question, assume that +Vout(max)= +10V and -Vout(max)= -10V .

Q.) Figure below divider bras amplifier Circuit. Givent the model Parameter : gm = 5o mS emitter (CE) Voltage BJT hibrid- TT Shows a Common riT: 6 Kr and to %3D : 00 +Vc. RI C2 Tooks touf RL Vo ihe 200 RE TCE Vs 20 a Draw the Ac eQuivalent at low Freauency Circuit Zi and b.) Determine inPut impedance at mid FreaUincy OutPut imPedance Z0 c.) Calculafe two low Cut -oFF FreQuen Cies FLC1 and FLC2 Ci and E2 respectively Such as due to the exterda al capacitors

What is the output peak voltage during the positive alternation of the input signal for the circuit shown below? •.. Vị 1+20V + Si vi 1.Ok Vo 5 V -20V A) 24.3 V B - 5 V - 24.3 V D) - 4.3 V

VIN W -VOUT Figure 1 8) What trouble in the amplifier in Figure 1(c) could cause the voltage gain to drop to 1? A) the power is off B) Rj is open C) VOUT is grounded D) Rf is open

a) For an opamp, the input bias current Ib =60uA and the input offset current lio= 10uA Find the input base currents l and I b) Design an opamp circuit with the following output: Vo = - Vin/4 + 2 For the circuit given below Given :Vin-0.2V, Vsat= 12V Identify (name) the circuit (stage 1 and 2) O Find the output voltage Vo and the current through the load 4kn 0 Find Vo if the resistor 2kn opens 10 Stage Stage 2 Vo Vin

The amplifier below has a variable gain control Rp, using a 0.47-k2 potentiometer. Determine the maximum current gain of the unloaded amplifier. VCC RB Ro Vi CB Co Vo Q1 Vcc = 18 V RB - 330 kohms Rc = 4.7 kohms Rp RE = 1.2 kohms Beta = 120 RE CE A) 88 B 107 111 120

Q1. In the circuit Figure 1, ß is in range 75 < p s150 .Determine the range in (a) Small signal voltage gain, Av (b) Small signal current gain, Ai Vcc=+10 V R 40 k2 Rg = 4 k2 Cci R. Ccz i, Figure 1 R2 = 60 k2 RE= 5 k2 i13 RL =1 k2 ww ww

Draw the output on top of the input waveforms for the circuits below. For all circuits in this question, assume that +Vout(max)= +10V and -Vout(max)= -10V .

Lout Rs = lookn Re = 5 K2 Vin AI RI= 45kn Ra =5 ke For the amplifiers opon-loop gain, A1= l000 AlA in put resistance, Rin = Ikn 多RL 11 RI Ra Ovtput fesistonce, Rout = 25ks a) What type of im put- ootprt feedbeck configuration is this ? (Example : shunt - shunt, series- series, ete) b) Calculate looded open-lonp gain, looded open-loop input resistance loaded openloop ovtpot resistance c) Calculate looP gain d) Calculate closed-loop gain, closed - lop input resistane, closed - loop ovtpot resistance

The - amplifier configuration has the highest input resistance compared to the other configurations CB CE CC a & c Vindows bui StV A Moving to another question will save this response Bb F12 PrSc Pause F9 F10 F11 F7 F8 SysRq 0000

The input voltage VBE +VBB The output power of a Class C amplifier depends on the * The average power dissipation The supply voltage The rms value of the input signal power The peak value of the input signal Standard AM is produced using * DSB-LC with harmonics Diode modulator circuit Balanced modulator Square law circuit without filtering

A fixed bias n-channel JFET with Vdd= 12V, Rd= 1.2k ohms. Idss=12mA and Vp=-4V. Determine Vs. a.0 V b.None of these c.4.35V d.6.7V

if you design differentiator to differentiate input signal varies in frequency between 1 KHz and 20 KHz then find , If capacitor =0.1 micro farad and feedback resistance=1.6 k ohm then Corner frequency =..... KHz O10 O20 030 040

The condition for small signal analysis is VS must be less than 10mV vce vbe VCC O000