Engineering & Science Crossword Puzzle
December 5, 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 12-5-2010


ACROSS DOWN

1. Soaks up RF energy
7. Opposite of transmit
13. Connector ____, RF connector manufacturer in Merlin, OR
14. Once around a circuit
16. Adds two or more inputs
17. Last stage in a transmitter (abbr.)
19. Unit of time (abbr.)
20. __ Power Systems, RF power supply and amplifier vendor in Setauket, NY
21. Filter type that blocks frequencies below and above a specified band (abbr.)
22. Computer communication scheme (abbr.)
25. Intermodulation distortion (abbr.)
28. Ham's code for "Shall I increase power?"
29. Quickly changing portions of waveforms
33. Radio Amateur Satellite Corporation (abbr.)
36. Chemical symbol for erbium
38. Chemical symbol for bismuth
39. Chemical symbol for platinum
40. European equivalent to the U.L.
41. Type of data conversion device (abbr.)
42. 36 inches (pl.)
43. BASIC looping keyword
44. 1e-6 mA
45. Chemical symbol for cobalt
47. Electrical safety organization (abbr.)
48. Mate to an RX
49. Portion of a circle
50. Voltage-controlled crystal oscillator (abbr., pl.)
51. Method of self-detection and self-fixing transmission of digital data (abbr.)
53. Unit of time (abbr.)
54. Chemical symbol for tin
55. One type of electron spin
57. Front edge of a wing (abbr.)
58. Sets of 5 work days
60. Strong cable covering
63. End of transmission (abbr.)
65. Planar Monolithics Industries, in Frederick, MD (abbr.)
67. Semiconductor device type (abbr.)
69. Chemical symbol for neodymium
70. Abbreviation for peak voltage
72. Chemical symbol for helium
74. __ Electronics, RF filter company located in Avenel, NJ
75. Area on a shaft for accommodating a setscrew
77. Wire diameter unit (abbr.)
79. Type of data conversion device (abbr., pl.)
81. Movement of air
82. Type of propagation above 30 MHz by means of refraction by highly ionized regions around the Earth’s poles

 1. _______ Computational Sciences, makers of the Linc2 RF simulation software company
2. Chemical symbol for scandium
3. Output intercept point (abbr.)
4. A common RS-232 serial bus command (abbr.)
5. Next to
6. Chemical symbol for lanthanum
8. Chemical symbol for einsteinium
9. Mr. Piper's famous yellow airplane
10. Electromagnetic compatibility (abbr.)
11. Network department (abbr.)
12. _______ + RF Systems, RF amplifier maker in Inglewood, CA
14. Family of ICs with a certain component density level (abbr.)
15. Attenuator
18. A common battery cell size
21. Filter type that blocks frequencies in a specified band (abbr.)
23. Chemical symbol for neon
24. Akin to an EE, CE, AE, etc.
26. RF / microwave filter manufacturer located in Poway, CA
27. Modulation type (abbr.)
28. Unit of liquid measure (abbr.)
30. Collection of electronic records (abbr.)
31. RF connector & cable manufacturer located in Suwon, Korea (and an RF Cafe advertiser)
32. Radio signal that is reflected back to earth from one of the layers of the ionosphere (2 wds., pl.)
33. Horizontal Cartesian coordinate
34. ________ Microwave, RF components & systems manufacturer w/HQ in Fairview, PA
35. PC follower
37. Aircraft tracking system (pl.)
40. RF & DC power supply manufacturer located in Gloucester, MA
44. Greek letter used for frequency
46. Shorthand for oxygen
49. _______ Factor, antenna manufacturer in Merlin, OR; also, an EM radiating structure
52. In the middle
54. Chemical symbol for selenium
56. Chemical symbol for polonium
58. Weight (abbr.)
59. Unit for 1,000 watt-seconds (abbr.)
61. Chemical symbol for radium
62. Chemical symbol for rubidium
64. Opposite of I.D.
65. Modulation technique (ABBR.)
66. FCC Part 15 rules apply in this band (abbr.)
68. Type of flip flop
70. 3 kHz to 30 kHz
71. Programmable logic device (abbr.)
72. High Data Rate
73. Engineering Change Order (abbr.)
75. Chemical symbol for francium
76. Part of a FOR loop
78. "Calling any amateur radio station"
79. Astronomical Unit (93E6 miles)
80. Chemical symbol for strontium


See solution below













RF Cafe - Engineering & Science Crossword Puzzle Solution 12-5-2010