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Interface conditions in layered structures. Two flat dielectrics of thickness d and dielectric constant ε1 and ε2 are placed on the two sides of a conducting sheet of thickness t. The electric field in free space to the left of the materials is given and is normal to the surface of the dielectric, as shown in Figure 4.72.
(a) Calculate the electric field intensity everywhere in space.
(b) What is the potential difference between the left and right surfaces (the potential difference on the three layers).
What is the largest binary number that can be repressed with 14 bits. What are the equivalent decimal and hexadecimal numbers.
Consider four simple cases of the MOS capacitor, all combinations of low gate metal work function (e.g. Al qΦM ≈ 4.05 eV), high gate metal work function (e.g. Pt qΦM ≈ 5.15 eV), n+type silicon and p+type silicon substrate.
For comparisons, plot the original speech and the quantized one using 3 bits, 8 bits, and 15 bits.
Transmission line A coaxial transmission line has characteristic impedance Z0 = 50 ohms and has length L = 200 m and phase velocity vp = 2.0e8 m/s. The end at x = 0 is terminated with Rs = 50 ohms and the end at x = L is terminated with RL = 75 oh..
design a microphone preamplifier for a publuc address amplification system. The output signal from a magnetic voice coilmiscrophone typically has an output resistance of 100 ohms and apeak value of about 10mV under normal speaking conditions.
An npn differential amplifier with I = 0.5 mA, Vcc = VEE = 2.5 V, and Rc = 8 kohm utilizes BJTs with B=100 and VBE=0.7 V at Ic = 1 mA. Assuming that the bias current is obtained by a simple current source
A 500-kVA, 60Hz, 5000V, Y-connected, 10 pole synchronous has internal parameters of Armature Resistance 1ohm amd Synchronous Reactance 10ohms. The generator is operating at rated values and 0.9 pf leading.
A 250ft^2 shell and tube heat exchanger was purchased fo $13,500 in 1994 when the index value was 830. Estimate the cost of a 150 ft^2 shell and tube heat exchanger in 2010 when the index calue is 1,029 and the appropriate factor is 0.6.
what is the highest input frequency for which no slewing occurs?
design and implement an access control circuit for my research lab. There are two inputs - a key card swipe on the door that produces an ID in the 0.7 range, and a day/night sensor that is 1 during the day, and 0 at night.
A 100μF capacitance is initially charged to 1000 V. At t1=0, it is connected to a 1kΩ resistance. At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance
The total bandwidth allocated is 200MHz . The signal-to-interference-ration required is 18 dB. Propagation path loss exponent n = 3 and omnidirectional antennas for the base stations are used. ?1) Find the appropriate cluster size.
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