Engineering & Science Crossword Puzzle
December 27, 2015

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

Engineering & Science Crossword Puzzle for December 27, 2015 - RF Cafe

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.

ACROSS DOWN
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

 

2015 Crosswords Archive
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.

December 27
December 20
December 13
December 6
November 29
November 22
November 15
November 8
November 1
October 25
October 18
October 11
October 4
September 27
September 20
September 13
September 6
August 30
August 16
August 9
August 2
July 26
July 19
July 12
June 21
May 3
April 5
March 8
March 1
February 22
February 8
January 25
January 18
January 11
January 4

 

 

 

 

 

 

 

 

 

 

 

 

Engineering & Science Crossword Puzzle Solution for December 27, 2015 - RF Cafe