Bissoy.com
Doctors Medicines MCQs Q&A

How do we compute the input resistance of a simplified CB amplifier model using hybrid parameters?

How do we compute the input resistance of a simplified CB amplifier model using hybrid parameters? Correct Answer hie / 1 + hfe

The input resistance of a simplified common base (CB) amplifier can be expressed in terms of approximate hybrid parameters. The input resistance is hie / 1 + hfe where, hie and hfe are the input resistance and current gain of CE amplifier respectively.

Related Questions

How do we compute the input resistance of a simplified CC amplifier model using hybrid parameters?
How do we compute the voltage gain of a simplified CC amplifier model using hybrid parameters?
How do we compute the current gain of a simplified CB amplifier model using hybrid parameters?
How do we compute the voltage gain of a simplified CB amplifier model using hybrid parameters?
An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ & Output resistance of 2.5 kΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is
For an instrumentation amplifier, the following parameters are given (a) High input resistance and low power consumption (b) Low input resistance and low power consumption (c) High CMRR and high slew rate (d) Low CMRR and high slew rate Which of the given parameters are a major requirement for an instrumentation amplifier?
How do we computethe current gain of a simplified CC amplifier model using hybrid parameters?
An amplifier is measured to have an internal resistance of 10 kΩ, voltage gain of 100V/V and output resistance of 100 Ω. Also, when a load resistance of 1 kΩ is connected between the output resistance if found to decrease to 8 kΩ. If the amplifier is fed with the signal source having an internal resistance of 2 kΩ. Find Gm.
An amplifier is measured to have an internal resistance of 10 kΩ, voltage gain of 100V/V and output resistance of 100 Ω. Also, when a load resistance of 1 kΩ is connected between the output resistance if found to decrease to 8 kΩ. If the amplifier is fed with the signal source having an internal resistance of 2 kΩ. Find Av.
An amplifier is measured to have an internal resistance of 10 kΩ, voltage gain of 100V/V and output resistance of 100 Ω. Also, when a load resistance of 1 kΩ is connected between the output resistance if found to decrease to 8 kΩ. If the amplifier is fed with the signal source having an internal resistance of 2 kΩ. Find Gvo.