Explain about darlington amplifier, Electrical Engineering

Assignment Help:

Q Explain about 'Darlington Amplifier'?

DARLINGTON AMPLIFIER : A CC stage followed by another CC stage has an input resistance of about (b + 1) 2 times the emitter resistance of the second stage. More precisely, using the b transform, it is

1395_Explain about Darlington Amplifier.png

If RE1 is removed, the second term is about b2 times RE2. Furthermore, if the collectors are connected together, the result is a Darlington stage, as shown below.

412_Explain about Darlington Amplifier1.png

This stage can be viewed as a "Darlington transistor" because it has three terminals and an equivalent b of about b2 . Darlington BJTs can be used in any of the three BJT configurations.


Related Discussions:- Explain about darlington amplifier

External frequency compensation of operational amplifier, Q. External Frequ...

Q. External Frequency Compensation of operational amplifier? For applications requiring a more extended high-frequency response, there are op amps with no internal compensation

Design a water supply scheme for a station, Q. Design a water supply scheme...

Q. Design a water supply scheme for a station, adopting the following data - a) Source of water - River flow at a distance of 1 km. b) Requirement of water - 1 lack gallons p

Mention the categories of instruction, Mention the categories of instructio...

Mention the categories of instruction and give two examples for each category The instructions of 8085 can be categorized into the following five Data transfer MOV Rd,Rs

Explain the importance of distributing frames, Q. Explain the Importance of...

Q. Explain the Importance of distributing frames? Basically four levels of cabling are used as displayed in Figure. At the subscriber end, drop wires are taken to a distributio

Improving joints and connections - energy loss, Improving Joints and Connec...

Improving Joints and Connections - Energy Loss Improper joints are a source of energy loss in both overhead and underground systems. The conductivity of joint should not be le

What are the types of write operations used in 8253, What are the different...

What are the different types of write operations used in 8253? There are two types of write operations in 8253 (1) Writing a control word register (2) Writing a count val

Explain frequency response curve of a rc coupled amplifier, Q. Explain the...

Q. Explain the frequency response curve of a  RC coupled amplifier The frequency response curve of a typical RC coupled Amplifier is shown below: In mid frequency range

Explain buffer storage, Discuss the layout configuration of FMS with neat a...

Discuss the layout configuration of FMS with neat and clean diagram? Write the disadvantages and advantages of FMS? Write the short note on following: a) Applications of FMS

Alternater, subranging ADC is a modification

subranging ADC is a modification

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd