Engineering & Science Crossword Puzzle
December 18, 2011

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.

2011 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.

12/25/2011
12/18/2011
12/11/2011
12/4/2011
11/27/2011
11/20/2011
11/13/2011
11/6/2011
10/30/2011
10/23/2011
10/16/2011
10/9/2011
10/2/2011
9/25/2011
9/18/2011
9/11/2011
9/4/2011
8/28/2011
8/21/2011
8/14/2011
8/7/2011
7/31/2011
7/24/2011
7/17/2011
7/10/2011
7/3/2011
6/26/2011
6/19/2011
6/12/2011
6/5/2011
5/29/2011
5/22/2011
5/15/2011
5/8/2011
5/1/2011
4/24/2011
4/17/2011
4/10/2011
4/3/2011
3/27/2011
3/20/2011
3/13/2011
3/6/2011
2/27/2011
2/20/2011
2/13/2011
2/6/2011
1/30/2011
1/23/2011
1/16/2011
1/9/2011
1/2/2011

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

 

!!! MERRY CHRISTMAS !!!

Engineering Crossword Puzzle, 12-18-2011 - RF Cafe


ACROSS DOWN
1. Enter data using the keyboard
4. Electronic component package type (abbr.)
6. Force required to impart an acceleration of one centimeter per second per second to a mass of one gram
9. Award offered by ARRL for contacting and confirming 100 or more different countries (abbr.)
11. Plug-in for computer bus
14. Chemical symbol for rhodium
16. Chemical symbol for copper
18. Chemical symbol for silicon
19. Chemical symbol for radon
20. Mate to a pin
22. Web's most popular RF site (2 ltrs. + 1 wd.)
24. European equivalent to the U.L.
25. Crystal filter type (abbr.)
27. Chemical symbol for tantalum
28. Printed Wiring Board (abbr.)
31. Below ELF
32. Type of logic gate
35. Things in a bill of material
37. Increase in elapsed time before a signal begins
39. One component of a complex number (abbr.)
40. Last stage in a transmitter (abbr.)
41. 30 kHz to 300 kHz
43. Chemical symbol for ruthenium
44. Test equipment (abbr.)
47. Min-to-max voltage of a waveform (abbr.)
49. End-to-end joint
51. Computer character set (abbr.)
54. Gaussian Minimum Shift Keying
56. Ratio of circumference to diameter
57. Coefficient of temperature (abbr.)
58. Chemical symbol for thallium
59. Multifunctional silicon devices (abbr.)
60. Chemical symbol for neon
62. Infrared (abbr.)
63. Unit of time (abbr.)
64. Chemical symbol for rubidium
66. Its chemical symbol is O
70. A listing of the conditions of the Earth’s magnetic field as measured at Boulder, CO
73. Chemical symbol for plutonium
74. Lowest operational frequency of a waveguide (pl.)
77. Filter type that blocks frequencies below and above a specified band (abbr.)
78. Chemical symbol for argon
79. Stock symbol for Lockheed Martin
80. Constellation : The lion
81. Akin to an EE, CE, AE, etc.
82. Chemical symbol for nickel
83. Unit of apparent power (abbr.)
84. Opposite of I.D.
85. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)
87. Ham award meaning Worked All Zones
89. Chemical symbol for thulium
91. One component of a complex number (abbr.)
92. Generate a periodic signal
95. BS__ - the degree held by many RF Cafe visitors
96. Chemical symbol for bromine
97. Semiconductor lamps
98. Circuit path with very high or infinite impedance
99. Chemical symbol for radium
100. Network department (abbr.)
102. Chemical symbol for europium
104. The "O" in VCO (pl.)
105. Greek letter used for wavelength (pl.)
111. Destroy a metal via chemical reaction
116. One of four lines used in ferrite core memories
117. Positive electrode
118. Precision landing system (abbr.)
119. Design for Manufacturability (abbr.)
2. Chemical symbol for palladium
3. Goes beyond published limits
4. Chemical symbol for scandium
5. Type of current
6. Changed in value due to instability
7. Yard (abbr.)
8. Ham's code for "Shall I send more slowly?"
10. Trim a piece of Kapton tape to length
12. Automatic Send-Receive (abbr.)
13. Ham's code for "Entire net stand by."
15. Chemical symbol for holmium
17. Impenetrable physical barrier
19. Part of this website's title
21. Unit of frequency (archaic, abbr.)
23. Chemical symbol for calcium
25. Solid state power amplifier (abbr.)
26. DXing term used when validity of DX station is in doubt
28. Ratio of circumference to diameter
29. Weight (abbr.)
30. Digital transmission figure of merit (abbr.)
32. Arithmetic Logic Unit (abbr.)
33. 1e-6 mA
34. Chemical symbol for dysprosium
36. Transitioning from solid to liquid phase
38. The second-lowest region of the ionosphere found approximately 60 to 70 miles above Earth (1 ltr. + 1 wd, hyph.)
40. The reactive element in catalytic converters
42. Switch type with gauranteed default position
44. Chemical symbol for terbium
45. Chemical symbol for europium
46. Amateur radio abbreviation for the Oceania region (abbr.)
47. Unit of time (abbr.)
48. Max or min voltage of a waveform (abbr.)
50. Test point (abbr.)
52. Special diode type that can be switched (abbr.)
53. International Telecommunications Union
55. Unit of frequency (archaic, abbr.)
60. Chemical symbol for nobelium
61. Device that increase the frequency band of a receiver
64. Receiver/transmitter that listens for a transmission and re-transmits it
65. Armored cable type
67. First man to orbit the earth - ____ Gagarin
68. Occlusion of one heavenly body by another
69. Chemical symbol for polonium
71. Prevent the direct physical transfer of signals from one point to another
72. Logarithmic unit of voltage
75. Logic family (abbr.)
76. ___-back transformer
84. Probable location of an element's electron
85. Threaded fasteners
86. Display type
87. Wireless application protocol (abbr.)
88. Diode type used as a voltage regulator
90. Use a DMM or o-scope
93. Network department (abbr.)
94. Local Oscillator (abbr.)
100. Galilean moon
101. Chemical symbol for chlorine
103. Unit of time (abbr.)
106. Degree of IC sophistication (abbr.)
107. 10 decibels
108. The system than converts common website names to IP addresses (abbr.)
109. Chemical symbol for arsenic
110. Chemical symbol for selenium
111. Chemical symbol for calcium
112. Switch position
113. Unit of length equal to 5.5 yards
114. Radio Direction Finding (abbr.)
115. Original Equipment Manufacturer (abbr.)



See solution below






Engineering Crossword Puzzle Solution, 12-18-2011 - RF Cafe