Engineering & Science Crossword Puzzle
May 29, 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.

RF Cafe - 5/29/2011 Engineering Crossword Puzzle


ACROSS DOWN
1. Mr. Tesla's first name
5. ______ velocity - speed necessary to become free of the Earth's gravitational force
10. Certificate of Successful Completion of Examination (abbr.)
11. Greek letter
13. Spurious RF products created by metal joints (abbr.)
14. Home state of Los Alamos lab (abbr.)
15. Join a male and a female connector
18. Chemical symbol for nickel
20. ELI the ICE ___
22. International phonetic alphabet letter "L"
24. Chemical symbol for berkelium
26. Mass unit (abbr., pl.)
27. Mr. Dirac's first name
28. The "L" in VLF
29. Considered the 4th dimension
31. Unit of admittance
33. Chemical symbol for thulium
34. The "L" in VLF
35. Automated Test Equipment (abbr.)
36. Chemical symbol for radium
37. SIP x 2
39. IC socket type for easy insertion & removal (abbr.)
40. Akin to an EE, CE, AE, etc.
41. Communication between stations by reflecting the radio waves off of the ionosphere
42. Bandwidth (abbr.)
43. Circuit for firing a radar magnetron (abbr., pl.)
45. File name extension for an ASCII file
48. Type of current flow (abbr.)
49. Logical negation operator
51. Half of the diameter (pl.)
52. Chemical symbol for neodymium
53. Send Morse Code
54. Chemical symbol for manganese
55. Minutes of Use (abbr.)
56. Chemical symbol for gallium
57. Adjust a pot
61. Grouping of antennas
63. Summer
65. Radio Direction Finding (abbr.)
67. What is the curve produced when a cone is cut by an oblique plane which does not intersect the base
69. Automatic Packet Position Reporting System (abbr.)
71. Total radiated power (abbr.)
73. U.S. military organization (abbr.)
74. Radio Amateurs of Canada
76. Early predecessor to an online forum (abbr.)
78. Original Equipment Manufacturer (abbr.)
80. Having no inflection point
83. Its chemical symbol is Ho
84. The process by which a body moves back and forth through a central neutral position
87. One of the Ws in WWW
89. Hz
91. Surface Mount Technology
92. Carrier-to-noise ratio (abbr.)
95. System On Chip
97. An alkaline substance
98. Contact used on motors to conduct current through a rotating interface (pl.)
102. Keyboard key
103. Mr. Ohm's first name
105. Impurity in a semiconductor that adds a mobile electron in the conduction band
108. Cable termination type
109. Next to
110. Amplifier linearity specification (abbr.)
111. Test point (abbr.)
112. 30 Hz to 300 Hz
114. A common battery cell size
116. Restrain voltage input
117. Airport Surveillance Radar (abbr.)
118. Chemical symbol for helium
120. Discipline for aircraft navigation in low visibility environments (abbr.)
122. Cog
124. Unit of capacitance (abbr.)
125. Printed Wiring Board (abbr.)
126. Analog-to-Digital (abbr.)
127. Programmable logic device (abbr.)
129. Base of the decimal number system
131. Chemical symbol for radon
132. Beat frequency oscillator (abbr.)
133. CDMA Development Group (abbr.)
134. Unit of length (abbr.)
135. Key feature in a high level overvoltage protection device
137. Automatic Testing, Evaluation & Reporting (abbr.)
139. Type of distribution, squared
140. Greek letter
141. 30 GHz to 300 GHz
143. Chemical symbol for platinum
144. Cause the temperature to drop
146. Electromagnetic interference (abbr.)
147. Switch position
149. Adjust
151. Chemical symbol for silicon
152. Below ELF
153. Lubricant
156. 12 inches (pl.)
158. Number of clock cycles in an event
159. International phonetic alphabet letter "Y"
2. Band between RF and BB
3. Mathematical relationship of voltage, resistance, and current in a circuit (2 wds.)
4. Changed velocity
5. Electronic warfare defense (abbr.)
6. Impenetrable physical barrier
7. Min-to-max voltage of a waveform (abbr.)
8. Chemical symbol for einsteinium
9. Heatsink feature
12. One port of an amplifier
13. Last stage in transmitter (abbr., pl.)
16. Largest moon of Saturn
17. Electromagnetic interference (abbr.)
19. Big Blue
20. Chemical symbol for magnesium
21. Crystal filter type (abbr.)
23. Stock symbol for Advanced Micro Devices
25. Units of 1000 CPS
26. Unit of length (abbr.)
27. Type of e-mail address system (abbr.)
30. Electronics Industry Association (abbr.)
32. Output intercept point (abbr.)
33. Temporary Engineering Change document (abbr.)
34. Sample group
36. Radio frequency interference (abbr.)
38. A type of digital modulation (abbr.)
40. Powerful mathematics software used by engineers
41. Unit of time
43. Type of chart
44. Chemical symbol for tin
46. Wireless phone region
47. Soften metal
49. Logical gate type (pl.)
50. Intel x86 command for " jump if above"
51. Positive voltage lead color
55. 4th rock from the sun
56. Spinning device used to generate a fixed spacial reference
57. Synchronous Digital Hierarchy
58. Optical storage medium
59. Electronics manufacturer with "meatball" logo
60. One type of electron spin
62. PC follower
64. Moving from cell to cell
66. Cooling device
68. Constellation : The lion
70. Packet Bulletin Board System
72. Scheduling graph types
75. Material used in the center of an inductor coil (pl.)
77. Online service
79. Unit of weight
80. Maximum Usable Frequency
81. Type of logic gate
82. Volts divided by resistance
83. International phonetic alphabet letter "H"
84. Path followed by a heavenly body around a star (pl.)
85. Mr. de Forest's first name
86. Intermodulation distortion (abbr.)
88. A mass
89. Plug-in for computer bus
90. Created an impenetrable physical barrier
93. Measure of a component's or system's likelihood of not failing
94. Unit of energy
96. Chemical symbol for cobalt
97. Inventor of the pre-quantum atomic model
99. Unit of capacitance (abbr.)
100. Slang for helicopter
101. Type of component package (abbr.)
104. One port of an amplifier
106. Transportation accident investigation agency (abbr.)
107. Type of digital filter (abbr.)
109. Filter type that blocks frequencies below and above a specified band (abbr.)
113. Fast Fourier transform (abbr.)
115. Chemical symbol for silver
116. Computer communication scheme (abbr.)
117. Conductor size unit (abbr.)
118. Amateur radio enthusiast
119. Be behind in phase
121. Government program to bring electricity to farms (abbr.)
123. The "E" in BER
124. French mathematician Siméon-Denis _______
125. BlackBerry or Palm for example (abbr.)
128. Once around a circuit
130. Negative temperature coefficient (abbr.)
133. A common RS-232 serial bus command (abbr.)
134. 300 kHz to 3 MHz
136. Permeability-tuned oscillator (abbr.)
138. End of transmission (abbr.)
141. Electromotive force (abbr.)
142. Opposite of a LO
145. Upward force generated by an airfoil
146. Voltage-current phase mnemonic
148. Chemical symbol for nobelium
150. Master Earth Station (abbr.)
154. Multifunctional silicon devices (abbr.)
155. Local Oscillator (abbr.)
157. Chemical symbol for beryllium



See solution below







RF Cafe - 5/29/2011 Engineering Crossword Puzzle Solution