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Electronic Coupling Quiz
August 1973 Popular Electronics

August 1973 Popular Electronics

August 1973 Popular Electronics Cover - RF CafeTable of Contents

Wax nostalgic about and learn from the history of early electronics. See articles from Popular Electronics, published October 1954 - April 1985. All copyrights are hereby acknowledged.

A score of 80% is nothing to brag about, but at least I got all the easy ones right. A couple of them I guessed at based on how the circuit looks - like the one with the "gimmick" coupling. This quiz by Popular Electronics magazine quizmaster Robert P. Balin tests your knowledge of coupling circuits. If it had not been for studying for my Ham radio license tests, I would not have recognized the gamma matching circuit. Fewer and fewer people nowadays - at least as a percentage of those engaged in electronics - are familiar with fundamental concepts of circuit design (truthfully, I've forgotten a lot of what I learned decades ago). Entire products can be designed nowadays using just integrated circuits, a handful of power supply decoupling capacitors, and maybe a little software code.

Electronic Coupling Quiz

By Robert P. Balin

Electronic Coupling Quiz, August 1973 Popular Electronics - RF CafeMany types of coupling circuits are employed in electronics to meet matching requirements in feedback networks and between amplifier stages. Others are used between amplifiers and speakers, transmission lines, or antennas. Test your knowledge of coupling circuits and devices by matching those shown in A-J with their names numbered 1 to 10 at the right.

1.  Balun

2.  Direct coupling

3.  Emitter coupling

4.  Gamma coupling

5.  Gimmick, or capacitive, coupling

6.  Impedance coupling

7.  Link coupling

8.  RC coupling

9.  "Tickler," or inductive, coupling

10. Transformer coupling

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See answers below.

Quizzes from vintage electronics magazines such as Popular Electronics, Electronics-World, QST, and Radio News were published over the years - some really simple and others not so simple. Robert P. Balin created most of the quizzes for Popular Electronics. This is a listing of all I have posted thus far.

RF Cafe Quizzes

Vintage Electronics Magazine Quizzes

Vintage Electronics Magazine Quizzes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Answers to Coupling Quiz

A. 10

B. 8

C. 3

D. 6

E. 5

F. 4

G. 7

H. 1

I. 2

J. 9

 

 

Posted February 20, 2024
(updated from original post on 8/24/2017)

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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