F. H. Richardson's bluebook of projection (1942)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1942
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000655
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
July 11, 2024
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9 TELEVISION AND RADIO RECEIVERS Practical Questions (For answer to each question see statement of corresponding number in Chapter XXIX) 1. Which apparatus is the simpler, a radio receiver or a television receiver? If the radio receiving antenna is regarded as the secondary of a "transformer," how many primaries has that "transformer" ? 3 Describe and diagram a circuit in which frequency niters and an amplifier are combined for selective amplification. 4. What is demodulation? What is a detector? The Superheterodyne Receiver, page 642 5. Draw a block schematic of a superheterodyne receiver. 6. What is a beat frequency? 7. What is a pentagrid converter? What is its purpose? 8 What special feature is often incorporated in the transformers of an intermediate frequency amplifier and what is its advantage ? 9 Is there any essential difference between the second detector of a superheterodyne receiver and the demodulator of simpler receivers ? 10 Where can any reader readily find further details concerning the circuits outlined thus far in this Chapter? The Television Receiver, page 644 11 Name four differences between a television receiver ana an ordinary superheterodyne receiver. 12. What band of frequencies is a video amplifier designed to handle? , 13 To what device is the output of a television video amplifier ' connected and what function does the output signal perform in that device? 639