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Engineering & Science Crossword Puzzle
November 21, 2010

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

2010 Engineering & Science Crossword Puzzles

Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called " Magnum Opus") software.

- Dec 19, Dec 12, Dec 5
- Nov 28, Nov 21, Nov 14, Nov 7
- Oct 31, Oct 24, Oct 17, Oct 10, Oct 3
- Sep 26, Sep 12, Sep 5
- Aug 29, Aug 22
- Jul 25, Jul 18, Jul 11, Jul 4
- Jun 27, Jun 20, Jun 13, Jun 6
- May 30, May 23, May 16, May 9, May 2
- Apr 25, Apr 18, Apr 11, Apr 4
- Mar 28, Mar 21, Mar 14, Mar 7
- Feb 28, Feb 21, Feb 14, Feb 7
- Jan 31, Jan 24, Jan 17, Jan 10, Jan 3

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Cafe - Engineering & Science Crossword Puzzle 11/21/2010


2. Translated higher frequencies to lower frequencies
11. Type of current flow (abbr.)
12. Start frequency (abbr.)
13. Electronic component package type (abbr.)
14. Chemical symbol for magnesium
16. Temporary Engineering Change document (abbr.)
19. Airport Surveillance Radar (abbr.)
21. Unit of conductance (pl.)
24. Portion of a circle
27. Chemical symbol for nickel
28. Unit of length (abbr.)
29. Modulation technique that varies the width of pulses in a train (abbr.)
31. Upper frequency (abbr.)
32. Programmable logic device (abbr.)
35. Circuit for maintaining constant voltage (abbr.)
38. Online service
40. Frequency vs. amplitude plot
42. Transistor B-C capacitance
44. Chemical symbol for silicon
46. One port of an amplifier
48. Image file format name extension
50. Chemical symbol for neon
52. A common battery cell size
53. Ground fault interrupter (abbr., pl.)
54. Input intercept point (abbr.)
55. Environmental barrier device
56. Unit of inductance (abbr.)
58. BS__ - the degree held by many RF Cafe visitors
59. Chemical symbol for calcium
60. A radio operator’s name
62. Type of component package (abbr.)
63. RF IC manufacturer located in Dübendorf, Switzerland
65. Chemical symbol for europium
67. Entity defined in the second law of thermodynamics
70. Filter type that blocks frequencies in a specified band (abbr.)
71. Army-Navy specification prefix
72. Silicon transistor type (abbr.)
74. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
75. Electromagnetic (abbr.)
77. Switch configuration (abbr.)
79. Method of connecting redundant power supplies
81. The design component of total product cost (abbr.)
82. Put a new program on a computer
83., radio & electronics swap shop website

1. Image storage format
2. Type of data conversion device (abbr., pl.)
3. Amateur radio abbreviation for the Oceania region (abbr.)
4. A measure of receiver quality (abbr.)
5. Chemical symbol for cesium
6. Unit of time (abbr.)
7. Abbreviation for minimum voltage
8. Erbium Doped Fiber Amplifier (abbr.)
9. Chemical symbol for thulium
10. Enhanced Graphics Adapter
15. Antenna structure that connects directly to the feed line
17. 3G_____worx, PCB shield manufacturer in Ontario, Canada
18. Ham's code for "Unable to copy you."
20. Chemical symbol for tin
22. Band between RF and BB
23. ____ Meet, a Ham's flea market
25. Cross __, RF connector company located in Wilmington, CA (2 ltr.)
26. Mr. Piper's famous yellow airplane
30. Chemical symbol for molybdenum
33. American Microwave Corporation (abbr.)
34. Chemical symbol for lithium
36. One component of volume
37. Chemical symbol for chromium
39. Family of ICs with a certain component density level (abbr.)
41. Deutsche Industrie Normenausschuss (abbr.)
43. Current loss in a capacitor
45. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)
47. One bit of a real number
49. Electronic component for passing certain frequencies and blocking others (pl.)
51. Formerly HP Test & Measurement
52. Amplifier Solutions Corporation, located in Colmar, PA (abbr.)
56. Region of the ionosphere approximately 90 to 400 miles above Earth - responsible for most long distance propagation below 30 MHz (hyph.)
57. Base 16 number system (abbr.)
58. Chemical symbol for einsteinium
61. Archaic term for an outdoor antenna
64. Chemical symbol for antimony
66. One type of electron spin
68. Boob tube (abbr.)
69. Unix, Linux or Windows (abbr.)
71. Analog-to-Digital (abbr.)
73. Negation prefix
76. Akin to EEs, CEs, AEs, etc.
78. Permeability-tuned oscillator (abbr.)
80. Type of flip-flop

See solution below

RF Cafe - Engineering & Science Crossword Puzzle 11/21/2010 Solution