November 1958 Popular Electronics
Wax nostalgic about and learn from the history of early electronics. See articles
published October 1954 - April 1985. All copyrights are hereby acknowledged.
This crossword puzzle is a little trickier than some because
it uses abbreviations rather than full words. Not everyone uses
the same abbreviation, so some answers are a bit more subjective.
For instance, many people abbreviate the word 'transformer'
as 'xfmr,' while others use 'trans' or 'trr' (I use xfmr).
Where you really have to be careful, though, is with evolutional
changes in terminology as is the case for frequency units, where
'cps' was most often used in 1958 rather than today's 'Hz."
Electronic Abbreviations Crossword Puzzle
By John A. Comstock
Are you familiar with electronic: abbreviations? Here's a
puzzle that pertains entirely to electronic: abbreviations and
letter symbols. Instead of filling in complete words, you fill
in only the abbreviation or letter symbol which you feel is
correct. Work the puzzle and see how abbreviation-conscious
1. Type of current that alternately changes direction of
3. Type of junction transistor.
7. Type of resistor.
9. Type of speaker.
10. Broadcast band or broadcast in general.
11. Type of electron tube.
14. Effective voltage of a sine wave.
15. Device or circuit that maintains a constant voltage in
17. Unit of power equal to one-thousandth of a watt.
19. Unit of current equal to one-thousandth of an ampere.
20. Unit of inductance.
21. Type of junction transistor.
23. Amplitude of carrier varies during modulation.
25. Electron tube terminology meaning series screen resistor.
29. Designation for mutual conductance.
34. Type of oscillator circuit.
35. Frequency range between 3 and 30 mc.
2. Type of radio wave transmission.
5. Carrier frequency is varied during modulation.
6. Type of frequency modulation.
8. Capacitor voltage rating.
9. Maximum working voltage that a capacitor can withstand
12. Transformer. transistor or transmitter.
13. Electron tube structure designation applicable only to
16. Speed of motors, turntables, etc.
18. Unit-time power consumption unit.
22. Opposite of positive.
23. Frequencies in audio range.
27. Magnetic potential difference.
28. Unit used to express audio levels.
30. Frequency range between 300 and 3000 mc.
32. In wave-guide propagation, H-waves.
33. Opposite of HI.
Solution to puzzle.
Posted May 22, 2014