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1. What is Miller capacitance? What is its role in High frequency amplifier design? Label all the involved variables in the Figure below and derive an expression for the Miller effect capacitances (input and output).
2. Explain why parasitic and internal capacitors (CWi, CWo, Cce, Cbe, Cbc) occur at high frequencies for BJT amplifier circuits.
3. Explain Why Differential amplifier using OpAmps are used in Medical devices and high precision instrumentation circuits
Assume that in addition to the sine-wave signal you have a dc reference voltage of 1.5 V available. Sketch the output signal waveform.
An otherwise-ideal op amp, known to have an open loop gain of 10^4 V/V , is measured in a circuit to have an output voltage of -3 V. While it would be difficult to measure, what would you expect the voltage from the negative terminal
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
Two rectangular waveguides, one air filled with internal dimensions 2cm x 1cm and the other dielectric filled with internal dimensions 1cm x 0.5cm, have the same cut-off frequency for the dominant mode. what is The relative permittivity of the die..
The purpose of this project is to design a device that would remotely control (from a Bluetooth-enabled mobile phone for instance) at least two actuators (e.g. relays and switches).
State Carson's rule for bandwidth estimation. What does it reduce to for NBFM and WBFM and d erive an time domain expressionfor the output xd(t) of the system
In comparing the behaviour of an n-channel MOSFET with a p-channel device having identical geometry and threshold voltage, it is found that the n-channel FET has a greater drain current than that of the p-channel FET.
Build a home security system circuit using this program. The system must include 2 door sensors, 3 window sensors, 2 smoke detectors, 2 water leak sensors, and 2 motion detectors.
Using 4-bit numbers to save space, multiply 3ten x 4ten in binary.
A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.
Research coal deposits in the USA and US coal mine production. Approximately, what was the US annual production of coal from mines in recent years What was the coal production of the Appalachian or Eastern province
I)Design a circuit that gives you the following relation between input and output Vout = 2.17Vin + 5 Here are the constraints you need to work with: 1) Only one power supply that gives ±12V is available 2) Available op-amps run on ±12V
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