MCQ in Modulation Part 12 – Answers

(Last Updated On: April 17, 2020)

MCQ in Modulation Part 12 | ECE Board Exam

Below are the answers key for the Multiple Choice Questions in Modulation Part 12.

551. phase shift

552. double spotting

553. RF amplifier

554. low noise amplifier

555. product detector

556. none of these

557. IF amplifiers

558. double-tuned circuit

559. mixer

560. class A

561. mixer

562. mixer

563. AM

564. inductive coupling

565. single sideband, suppressed carrier (J3E)

566. self- inductance

567. 66.66

568. mutual inductance

569. all of the above

570. coefficient coupling

571. loose coupling

572. sidebands

573. tight coupling

574. critical coupling

575. resonant circuit

576. double peaking

577. IF cans

578. second detector

579. first detector

580. local oscillator

581. peak detector

582. shape detector

583. modulation index

584. automatic gain control

585. complex AGC

586. 80.6 percent

587. its use avoids receiver complexity

588. delayed AGC

589. squelch circuit

590. clippers

591. blanking circuit

592. demodulation

593. relatively high IF

594. low IF

595. net receiver gain

596. modulation

597. envelope

598. transmitter circuits must be stable, giving better spectrum

599. There are more balanced modulators, therefore the carrier is suppressed better

600. mechanical

Questions and Answers in Modulation Series

Following is the list of multiple choice questions in this brand new series:

MCQ in Modulation
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: PART 4
PART 5: MCQ from Number 201 – 250                 Answer key: PART 5
PART 6: MCQ from Number 251 – 300                 Answer key: PART 6
PART 7: MCQ from Number 301 – 350                 Answer key: PART 7
PART 8: MCQ from Number 351 – 400                 Answer key: PART 8
PART 9: MCQ from Number 401 – 450                 Answer key: PART 9
PART 10: MCQ from Number 451 – 500                 Answer key: PART 10

Complete List of MCQ in Communications Engineering per topic

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