This is the final engineering and science themed crossword puzzle for the year 2015. All 36 crosswords this year, as with every one of
the last 16 years, was custom made by me for RF Cafe visitors who's interest in crosswords ranges from the avid cruciverbalist to the
curious technical type who is looking for an educational way to pass some time. Have a safe New Year's celebration, and be sure to check
back on January 3, 2016. Thanks for your patronage in 2015!
Reproduction of this puzzle without the express permission of RF Cafe is prohibited. acr. = acronym, abbr. = abbreviation,
pl. = plural, wds. = words
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.
1. Damping at which no overshoot or undershoot exists (2 wds.) 14. Small Office/Home Office (abbr.) 15. Mr. Piper's famous yellow airplane
16. Adds two or more inputs 18. Filter type that blocks upper frequencies (abbr.) 20. Logical negation operator 21. Mass unit (abbr.,
pl.) 22. Precision landing system (abbr.) 23. Local Oscillator (abbr.) 24. Electronics Industry Association (abbr.) 28. Part of
a male connector 29. World's largest yearly convention of gadget and device manufacturers (abbr.) 30. Ham radio organization (abbr.)
33. Electric enclosure standard organization (abbr.) 35. Logarithmic unit of ratio (abbr., pl.) 36. ___/IP scheme for networked connectivity
37. Impenetrable physical barrier 38. Radio term for indicating the end of a transmission segment 39. Type of computer display (abbr.)
40. One component of a complex number (abbr.) 42. Alternative name for Alpha Scorpii 44. A common battery cell size 45. Programmable
logic device (abbr.) 47. Chemical symbol for scandium 48. Chemical symbol for strontium 49. Aircraft navigation system (abbr.) 51.
Father of radio 52. Navigational device that measures star positions 53. Semiconductor device type (abbr.) 54. Chemical symbol for
thulium 56. European equivalent to the U.L. 57. Original Equipment Manufacturer (abbr.) 58. Chemical symbol for gadolinium 60. Form
of digital encoding 62. Upper frequency (abbr.) 63. Negation prefix 65. One factor of a polynomial 66. Image file format name extension
68. Precision approach radar (abbr.) 69. Nuclear explosion byproduct harmful to electronics (abbr.) 70. Cooling devices 71. Fail-____
switch 72. Special diode type that can be switched (abbr.) 73. Base of the decimal number system 75. U.K. equivalent of the IEEE
76. Network department (abbr.) 77. The UK's largest defense electronics contractor (acr.) 79. U.S. military organization (abbr.) 81.
Unit of current 83. Chemical symbol for tin 84. IC socket type for easy insertion & removal (abbr., pl.) 85. Semiconductor On Insulator
(abbr.) 86. Fairchild Advanced Schottky TTL (abbr.) 88. Point of electrical contact between circuits |
2. Type of flip-flop 3. Charged particle 4. Mr. Edison's first name 5. Newest buzz phrase for ubiquitous remote control and monitoring
of everything (abbr.) 6. Abbreviation for acknowledge (also a common word used by Bill the Cat) 7. Cable termination type (pl.) 8.
Logarithmic unit of ratio (abbr., pl.) 9. Degree of IC sophistication (abbr.) 10. Type of star that emits periodic bursts of energy
11. International Microwave Symposium (abbr.) 12. Unit of time (abbr.) 13. It's the 'EM' in EMC 17. Type of source used by a Norton
equivalent circuit (2 wds.) 19. _____-wise linear 23. Constellation : The scales 25. MS's server-side script engine for dynamically-generated
web pages (abbr.) 26. Change from one phase to another (pl.) 27. Voltage potential to turn off a diode (2 wds.) 28. Personal Digital
Cellular 31. Government program to bring electricity to farms (abbr.) 32. Stock symbol for Linear Technologies 33. Logical gate type
(pl.) 34. Akin to EEs, CEs, AEs, etc. 41. Ties a bundle of wires together 43. International phonetic alphabet letter "H" 45. Rate
of a radar transmitter's output waveform (abbr.) 46. Sample group 49. Variable crystal oscillator (abbr.) 50. Type of data storage
IC 55. Microwave Theory and Techniques Society (abbr.) 56. Computer monitor (abbr., pl.) 59. Weatherproof cover for a radar antenna
(pl.) 60. Voice of America 61. Type of secondary radar system (abbr.) 62. Crystal surfaces 64. Silicon transistor type (abbr.)
65. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.) 67. French mathematician who is recognized as the founder of number
theory 68. Greek letter 74. Earth's natural satellite 77. The "B" in BER 78. Resistive component of a capacitor's lumped element
model (abbr.) 79. Digital storage oscilloscope (abbr.) 80. Deutsche Industrie Normenausschuss 81. Scheme to maintain proper frequency
(acr.) 82. Greek letter 84. Chemical symbol for zinc 87. Part of a FOR loop |
See solution below
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