Question

In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is

a.

Armstrong oscillator

b.

Colpitts oscillator

c.

Clapp oscillator

d.

Ultra Audio oscillator

Posted under Electronics and Communication Engineering

Answer: (a).Armstrong oscillator

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers...
Add Comment

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Three point tracking can be achieved with

View solution

Q. Double spotting in a receiver is due to

View solution

Q. A FM signal with modulation index Mf is passed through a frequency doubler. The wave in the output of the doubler will have modulation index of

View solution

Q. The IF stage of a receiver employs

View solution

Q. In a receiver, which of the following device has RF input but IF output?

View solution

Q. Statement 1:
Diode is the most common device used for demodulation.

Statement 2:
A discriminator is a FM detector.

View solution

Q. A receiver having poor IF selectivity will also have poor

View solution

Q. The source of which of the following noise is different from that of the remaining?

View solution

Q. The household radio receiver uses

View solution

Q. In a transistor receiver, the use of FET as the first stage amplifier is likely to

View solution

Q. In a FM waveform, the side bands are spaced at intervals equal to

View solution

Q. Power spectral density of white noise

View solution

Q. In radio receiver, the maximum contribution to noise is from

View solution

Q. In a radio receiver

View solution

Q. The sensitivity of a superheterodyne receiver is determined by

View solution

Q. In a radio receiver

View solution

Q. A trimmer is basically a

View solution

Q. A low ratio of the A.C. load impedance of a diode detector results in

View solution

Q. Noise limiter is provided on AM receivers to

View solution

Q. The image frequency of a superheterodyne receiver is

View solution
View All MCQs on Electronics and Communication Engineering

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!

Biology

Dive into the realm of life sciences with our Biology category. Explore the wonders...

Corrosion Engineering

Master the art of preventing material deterioration with our Corrosion Engineering...

Sociology

Gain insights into human behavior and society with our Sociology category. Explore...

Concrete Technology

Welcome to Concrete Technology, a category that unravels the secrets behind the...

General Knowledge

Expand your horizons and stay informed about the world with our General Knowledge...

Non Verbal Reasoning

Enhance your cognitive abilities with our Non-Verbal Reasoning category. Dive into...

Biotechnology

Discover the cutting-edge world of biotechnology with our Biotechnology category....

Human Anatomy and Physiology

Embark on a journey through the human body with our Human Anatomy and Physiology...

UIDAI Aadhaar Supervisor Certification

Prepare for the UIDAI Aadhaar Supervisor Certification with our specialized category....