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A differential amplifier has a bias current of 100 n A, a maximum offset current of 20 n A, a maximum offset voltage of 2 mV, an input resistance of 1 MΩ, and a differential gain of 1000. The input terminals are tied to ground through (exactly equal) 100-kΩ resistors. Find the extreme values of the output voltage if the common-mode gain is assumed to be zero.
If you could perceive these oscillations, would you see the light attain maximum brightness 60 or 120 times per second?" Explain.
Three incandescent lamps rated 60 W, 120 V are connected is delta. What line voltage is needed so that the lamps burn normally
Given the excitations x[n] and the impulse responses h[n], find closed form expressions for and graph the system responses y[n] x[n] = u[n], h[n]=(4/7)δ[n]-(-3/4)nu[n]
In a binary digital communications systems, the bit energy required at the receiver input terminals is 50x10^-18 JOther parameters are as follows: Gt(dB)=24 dB Gr(dB)= 26 dB f= 10GHZ d=40,000 km
Design a low pass FIR filter for 10 kHz sampling, with a pass band edge at 2 kHz, a stop band edge at 3 kHz, and 20 dB stop band attenuation. Find the impulse response and the difference equation for the filter.
assume that capacitor is completely discharged when tlt0. plot these graphs in matlab or any other computing software
Assume that only input combinations representing 0-9 can occur as inputs, so that combinations 1010 through 1111 are don't cares. Design your circuit using two, three, and four input NAND gates and inverters.
The line voltage is 120V, the armature resistance is 0.7 Ω and the series field-winding resistance is 0.5Ω. What is the torque developed by the motor. For the motor to operate at a speed of 2400rpm,
A series RLC circuit resonates at 1000 rad/sec. If C =20uF, and it is known that the impedence at resonance is 2.4 ohms,compute the value of L, the Q of the circuit, and the bandwitdh.
a Three phase to single phase converter employs a 6 pulse bridge circuit. This device is fed from 400V,50 Hz supply through adelta/stare transformer whose per phase turns ratio 3:1. For an output frequency of 2Hz, the load reactance is w0L =3ohm.
State briefly the consequences of opening the secondary of a current transformer when it is in service. State the precaution to be taken should disconnection be necessary.
A 1GB DRAM uses 4-bit data and has equal-length row and column addresses. How many address pins does the DRAM have?
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