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March 28, 2010 Engineering & Science Crossword Puzzle

 
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

| 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 |
| 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
- 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  3-28-2010

ACROSS

1. Wire or cable connecting a radio to an antenna
4. Determination of cause and effect
8. Chemical symbol for strontium
11. _-____, VCO manufacturer in San Diego, CA
13. Small DIP package (abbr.)
15. Name for a negatively charged ion
18. Effective Radiated Power (abbr.)
19. Cable manufacturer with HQ in Richmond, IN
20. Type of logic gate
21. Akin to EEs, CEs, AEs, etc.
23. Chemical symbol for silver
25. Negative temperature coefficient (abbr.)
27. Encased in a protective covering
28. Digital waveform with a 50% duty cycle
31. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr.)
34. 10^1 numerical prefix
36. Minutes of Use (abbr.)
38. Station using an existing call sign and illegally operating on the air
41. Negation prefix
43. Chemical symbol for radon
44. Waveform described by a Dirac delta function
45. Type of high frequency circuit substrate (abbr.)
46. Rubber or plastic donut-shaped insert for protecting pass-through wires
47. Analog-to-Digital (abbr.)
48. Finite Element Analysis (abbr.)
49. RF component manufacturer in Arcadia, CA
50. ___-AZIMUTH telescope mount
51. Modulation type (abbr.)
56. Increase voltage linearly
58. Putting a new program on a computer
61. ___ Microwave, maker of ferrite isolators & circulators, in San Jose, CA
62. Add two or more inputs
64. Last stage in a transmitter (abbr.)
65. Chemical symbol for beryllium oxide
66. Opposite of MSB
68. Filter type commonly used in phase-locked-loops
71. Radio Amateurs of Canada
72. C# statement that ensures Dispose is called even if an exception occurs
73. Transformer interwinding connections
74. Type of transistor (abbr., pl.)
76. Chemical symbol for cesium
78. Wearing away of a surface
79. One who attaches components to a PCB
DOWN

1. Chemical symbol for francium
2. Go beyond published limits
3. Light
5. ____ Technologies, RF module maker in Merlin, OR
6. Causes a circuit path with very low or 0 ohms of impedance
7. Chemical symbol for tin
8. Relating to the sun
9. Feature in some waveguides used to increase operational bandwidth
10. Symbols and lines used to construct a representative drawing of a system at a high level, pl.
12. Method of connecting redundant power supplies (pl.)
13. Chemical symbol for selenium
14. European equivalent to the U.L.
16. Charged particle
17. Circuit designed to copy a current through one active device by controlling the current in another active device (2 wds.)
21. ELI the ICE ___
22. ___ Electronics, RF component manufacturer in Buffalo Grove, IL
24. A feedback scheme to level out the receiver audio volume (abbr.)
26. Airflow rate (abbr.)
29. Formerly HP Test & Measurement
30. Secondary cell using a liquid as an electrolyte (2 wds.)
32. 10^23 of anything (pl.)
33. Device to assist in the performance of a chore (pl.)
35. Stock symbol for Advanced Micro Devices
36. Maximum Usable Frequency
37. Country of RF Cafe's residency
39. Stock symbol for Raytheon
40. Logic family
41. Gun safety and education organization (abbr.)
42. Nordic Mobile Telephone
43. Government program to bring electricity to farms (abbr.)
52. Common average used for sinewaves (abbr.)
53. Type of logic gate
54. Ham's code for "Net is Free (not controlled)."
55. Permeability-tuned oscillator (abbr.)
57. ______ Electronics - passive RF component vendor in Clifton, NJ
59. RF design tool vendor in Espoo, Finland (now part of AWR)
60. Lights
61. The plane figure enclosed by two radii of a circle and the arc between them
63. Degree of IC sophistication (abbr.)
65. The UK's largest defense electronics contractor (abbr.)
67. Low- to mid- frequency connectors
69. PC follower
70. Chemical symbol for arsenic
71. Stock symbol for RF Micro Devices
75. Stock symbol for Boeing
77. Chemical symbol for bromine


Answer below

















RF Cafe - Engineering & Science Crossword Puzzle  3-28-2010





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