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A certain class D amplifier dissipates an internal power of 140 mW in the comparator and the triangular wave generator. Each complementary MOSFET has 0.25 V drop in the on state. The amplifier operates from dc sources and provides 0.35 A to a load. Determine the efficiency
Use graph paper to estimate how many whole 15mm × 15mm ICs would fit on a 300mm diameter wafer. Bear in mind that the ICs must be aligned in rows and columns so that they can be separated by cutting the wafer in straight lines. What percentage of ..
Derive the expression for maximum torque (show all steps) and show that the slip at which maximum torque occurs is directly proportional to rotor resistance, but the maximum torque is independent of rotor resistance.
What is the FM modulation index if deviation in carrier frequency is +/- 60 KHz, and maximum modulating frequency is 15 KHz?
A balanced three-phase distribution line has an impedance of 1+j8 I per phase. This line is used to supply 3 balanced three-phase loads that are connected in parallel. The 3 loads are L1= 120 kVA at 0.96 leading pf, L2= 180 kVA
How are feet per minute measurements (fpm) different from cubic feet per minute measurements (CFM)?
Using a 1 mA current source, the designer wishes to create a reference voltage of 1.25 V. Suggest a combination of series and parallel diodes that will do the job as well as possible. How many diodes are needed. What voltage is actually achieved.
An op-amp is connected in an inverting amplifier configuration with a voltage gain of -80 and is biased at ±5 V. If the output saturates at ±4.5 V, what is the maximum rms value of an input sine wave that can be applied without causing distortion ..
in the process of sampling an analog signal g(t) is multiplied by a periodic train of rectangular pulses c(t)each of unit area ,given that the pulse repetition frequency of this periodic train is fs and the duration of each rectangular pulse is T
The two wattmeters read 111 KW and 58 kW, respectively. Calculate the approximate power output in HP, losses and the corresponding power factor of the induction motor. There is an ammeter connected in the line "b".
Assume that superheated steam at 25 bar and 400°C expands isentropically to 6.22 bar. Determine the temperature after expansion
Design a one bit block that can be cascaded together to generate the final signal. Assume that you are allowed to generate a different block to treat the signed bit. Provide design for the two blocks and the complete circuit.
Find the mathematical expressions for the transient behavior of iL and vL for the circuit of given figure after the closing of the switch.
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