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The schematic shows a scheme for coupling and amplifying ahigh-frequency pulse signal. The circuit utilizes twon-channel MOFETs whose bias details are not shown and a 50 ohmcoaxial cable connecting the drain of Q1 to the source of Q2. Transistor Q1 operates as a CS amplifier and Q2 as a CGamplifier. For proper operation, transistor Q2 is requiredto present a 50 ohm resistance to the cable. When thecable is properly terminated, its input resistance is 50ohms.A. What must gm2 be?B. If Q1 is biased at the same point as Q2 what is theamplitude of the current pulses in the drain of Q1?C. What is the amplitude of the voltage pulses at the Drainof Q1?D. What value of RD is reqired to provide 1-V pulses at the Drain of Q2?
A newly proposed thermoelectric generation material is the skutterudite family, such as FeAs3 or CoAs3. Assuming this new material has a Seebeck coefficient S = 35 V/K (microvolts per degree Kelvin), the electronic conductivity =1x104 (Ohm-cm)-1
AC Analysis Gain at Midband (with bypass capacitor in circuit) Connect the bypass capacitor using the switch.
A long cable with cylindrical cross-section has inner conductor of radius a and an outer conductor of inner radius b and outer radius c. The dielectric constant of the material between the conductors is 3.
A1. An amplifier has cutoff frequencies of 120.0 Hz and 1.200 kHz. Calculate the bandwidth and center frequency of the amplifier. A2. The upper cutoff frequency of an amplifier is 8.000 MHz and its center frequency is 1 MHz.
Consider a gsm uplink.the ms has 100 mw transmit power and the sensitivity of the bs receiver is -105 dbm.the distance between the bs and ma is 500 m.the propagation law follows the free space law up to a distance of dbreak=50m
Consider two continuous signals f(x, y) and g(x, y) that are separable, show that their convolution is also separable. Show that the 2-D Fourier transform of the rect function is the sinc function.
Design a DC-coupled differential amplifier with differential gain of 50 for input signals near ground, supply voltages of +15V and -15V and quiescent currents of 0.1mA in each transistor.
A two-way link has a data rate of 40 kb/s while transmitting data in either direction, and a propagation delay of 20 milliseconds in each direction. A is sending frames of 1000 bits to B using stop-and-wait ARQ.
The prime mover rotates the armature at a speed of 1000 rpm. Determine the no-load voltage, the full-load voltage, and the torque required by the prime mover at full load if the full-load power required by the load is 3 kW
What is the capacitance ratio for the capacitors with Ta2O5 and oxide/nitride/oxide dielectrics for the same thickness, provided the oxide/nitride/oxide has thickness ratio 1:1:1 for the oxide to the nitride
Does the degree of difficulty change when switch from solving a two loop mesh circuit to a three loop mesh circuit Why and why not
a) Three delta-connected absorb 60 KW when connected to a 3 phase line. IF they are reconnected in wye, calculate the new power absorbed. b) Three 10uF capacitors are connected in wye across a 2300v, 60 Hz line.
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