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Instrumentation Amplifier with Alarm
Strain gauges measuring the deflection of a sintered metal column are connected to a Wheatstone bridge. The output of the bridge is balanced when there is no strain producing 0 V output. As the column is deflected, the bridge produces
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- 3) Find Vout in terms of voltages ao, a₁, a2, and a3 2R m 2R ao 2R. W R a₁ 2R. W R 22 2R M R 23 8 Vout 4) You are trying to use a strain gauge in a wheatstone configuration, however the output voltage fluctuates despite there being no strain on the gauge. You suspect it could be due to temperature fluctuations in the room. What changes could you make to your circuit to account for these fluctuations?arrow_forwardDetermine the current iz for the op amp circuit. 6kN iz 8k2 6k2 2V(* 4k2 4k2 6kO 8kΩ 6k2 5.8V*arrow_forwardA non-inverting comparator circuit has a voltage reference of 500 mV. If the input voltage is varying linearly between 100 mV to 400 mV, the output will saturate to a Vi Vref= 500mV -Vo O positive value all the time O negative value all the time O positive value for the range 100mV to 400mV then goes negative afterwards O negative value for the range 100mV to 400mV then goes positive afterwardsarrow_forward
- The input signal in figure shown below is applied to the comparator in the figure. Draw the output signal showing its proper relationship to the input signal. Assume the maximum output levels of the comparator are (+/-)14 V. A Vin 0- 5 V- -5 V- +15 V R₁ 8.2 ΚΩ R₂ 1.0 ΚΩ 550 www V outarrow_forward1. Draw the precise I/O characteristic and the input/output waveforms of the following circuit: 8R Please consider: RON D1 = 0.12 ROFF D1 = 100k2 RON DZ1 = 0.12 ROFF DZ1 = 400kQ R = 100k2 Vzı=20V DZ1 Vi Vo T= 25°C VSUPPLY =±15V Vi(t) = 2*sin(6280t) 2. Design a circuit able to: a. measure the temperature in a room between 0 and 50 Celsius degrees using a NTC resistive sensor b. acquire the temperature with a precision of at least 0.1 Celsius degrees c. trigger an alarm (switch ON/OFF a lamp) when the temperature is above 25 degrees. Precisely define the characteristic and the specifications of the NTC sensor.arrow_forwardis known that all the input voltages of the circuit are equal to 12 V with the resistance R3 = R4 = R5, and Rf = 12kOhm. If you want an output voltage of -4/3 of the input voltage, then how much magnitudeof R1 and R2 if R1 = ½ (R2)?arrow_forward
- Q4) what is the wrong of the following instructions a) MOV DS, SS b) MOV CL, CS c) OUT AX, CLarrow_forwardRefer to the following figure, How many inputs in this state diagram? 0/0 00 1/0 1/1 1/0 01 10 0/0 0/0 0/0 11 1/0arrow_forwardIn Wheatstone bridge. if the current through the resistors R, & R, is 15mA and the current though R, & R, is 0.015A, then it gives a output of O a. Zero O b. 30mV O c. 0.015V O d. Nat equal to zeroarrow_forward
- Vin A PEAK DETECTOR Р R= 10kΩ Given/Assumptions: RL=10K C=0.1uF + ANSWER THE FOLLOWING: Rf= 10kQ ww V X D с RL diode cut-in voltage = 0.7V. when the op-amp goes open-loop, Vx will be +12V when Vp>Vn and -12V when Vparrow_forward0. A certain solar cell type has an output capability of 0.6 Amp at 0.6 V. A series/parallel solar array has been designed of such cells with 171 parallel strings and each string has 190 cells in series. Current capability of array in Amperes = of stion Next page nere to search hparrow_forwardDetermine the DC bias values using DC equivalent circuits (in order of VE, VB, VC) * Vcc +10 V R 47 kf2 Rc 4.7 kl Boc=150 RE 470 R2 10 kf2 Rea 470 1 O 1v, 0.3V, 5.02V O 0.3V, 1V, 5.02V O 1.3V, 0.3V, 5.02V 5.02V, 1V, 0.3Varrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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