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Science & Engineering Crossword Puzzle

July 22, 2012

2012 Crosswords Archive

Visit the Crossword Express website - RF CafeTake a well-deserved break and try 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.

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November 11

November 4

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September 9

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January 1


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

Science & Engineering Crossword Puzzle for July 22, 2012 - RF Cafe

ACROSS DOWN
4. Powers pneumatic devices

7. Abbreviation for acknowledge (also a common word used by Bill the Cat)

9. Automatic Calibration System (abbr.)

10. Frequency Division Duplex

13. Computer Assisted Design and Development

15. Network department (abbr.)

16. Equalizer (abbr.)

17. 1000000 prefix

20. Generalized Multiprotocol Label Switching (abbr.)

24. A coherent monochrome light source

27. SIP x 2

28. Crystal surface

30. A three-terminal power semiconductor device noted for high efficiency and fast switching (abbr.)

32. Wire diameter unit (abbr.)

34. Ham abbreviation for "distant station"

35. Chemical symbol for helium

37. Software for mathematical calculations

39. 1/6 inch printer's measure

40. Chemical symbol for arsenic

41. BS__ - the degree held by many RF Cafe visitors

42. 1 GHz to 2 GHz

45. Trigger diode that conducts current only after its breakdown voltage has been exceeded momentarily (pl.)

48. A common battery cell size

50. Precipitate

51. Direct Memory Access (abbr.)

52. Automated Test Equipment (abbr.)

54. Finite Element Analysis (abbr.)

55. Pertaining to the moon

56. Chemical symbol for chlorine

57. International Reply Coupon (abbr.)

59. Chemical symbol for manganese

60. Chemical symbol for bismuth

62. ELI the ICE ___

63. Chemical symbol for chromium

64. Modulation type (abbr.)

66. First man to orbit the earth - Yuri ...

69. Did it with a mouse

73. 30 kHz to 300 kHz

75. One port of an amplifier

76. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)

78. Device under test (abbr.)

79. Has a positive phase wrt a reference

81. The system than converts common website names to IP addresses (abbr.)

82. Lowest power level capable of being demodulated (abbr.)

83. Centimeter (abbr.)

85. Gallium nitride chemical symbol

87. Ticker symbol for Analog Devices

89. Semiconductor lamp

91. State _______ - A type of drawing used in computer science and related fields to describe the behavior of systems

94. Soften metal

96. Describes a switch that is making electrical contact

99. Changing

103. 10 decibels

104. Chemical symbol for beryllium oxide

105. PC follower

106. Chemical symbol for copper

107. Printer resolution abbreviation

108. Logic family

109. Measured

112. We just ______ a new contract.

115. Optical storage media

117. Electronic enclosure

120. Type of data conversion device (abbr.)

121. Engineering Change Order (abbr.)

123. One state of matter

124. Type of flip flop

126. Bands between RF and baseband

127. Global System for Mobile Communications (abbr.)

129. Fastener hardware vendor in Woodside, NY

131. Image file format name extension

133. Stock symbol for Lockheed Martin

134. "Calling any amateur radio station"

135. 300 kHz to 3 MHz

137. Unit of heat

138. Instrument for measuring current

140. Bandwidth (abbr.)

141. Multifunctional silicon devices (abbr.)

143. Heatsink feature

144. Unit of length (abbr.)

145. Filter type that blocks upper frequencies (abbr.)

146. Type of distribution, squared

148. Type of modulation (abbr.)

149. Ties a bundle of wires together

150. Colorado Springs military school (abbr.)

152. End of transmission (abbr.)

154. Design for Manufacturability (abbr.)

157. Sporadic E-layer ionospheric propagation (hyph.)

158. Chemical symbol for erbium

159. International Telegraphy and Telephony Consultative Committee

163. _____ Percy Maxim, founder of the ARRL

165. Filter type that blocks frequencies in a specified band (abbr.)

166. Logarithmic ratio (abbr.)

167. Type of current

168. The "Cad" part of NiCad

172. Chemical symbol for lanthanum

173. Chemical symbol for iron

174. U.K. equivalent of the IEEE

176. Adjacent Channel Power Ratio (abbr.)

177. Swap ____, a Ham's flea market

178. Keyboard key

181. Major U.S. space & communications company

183. Mr. Joule's first name

184. Name given to logic that surrounds a microprocessor

186. Unit of length (abbr.)

187. Local Oscillator (abbr.)

188. No insulation

189. Global System for Mobile Communications (abbr.)

191. Enhanced Graphics Adapter

193. Finite-Element Model

194. Computer communication scheme (abbr.)

1. High frequency semiconductor

2. The "As" in GaAs

3. Chemical symbol for berkelium

5. Multifunctional silicon devices (abbr.)

6. Band between RF and BB

7. Agilent's EE design software (abbr.)

8. Chemical symbol for cadmium

11. Decimeter (abbr.)

12. Keyboard key

13. Printer output resolution unit (abbr.)

14. International phonetic alphabet letter "A"

18. Greek letter used for coefficient of reflection

19. File name extension for an ASCII file

21. Chemical symbol for mendelevium

22. Amateur radio enthusiast

23. Decibels above or below a dipole antenna (abbr.)

25. 1/6 inch printer's measure

26. Theoretical

29. Software engineering tool (abbr.)

31. Key feature in a high level overvoltage protection device

33. First name of a British scientist of falling apple fame

36. Last statement in a BASIC program

38. Heterojunction Bipolar Transistor

39. Electronics Industry Association (abbr.)

41. ECM response

42. Family of ICs with a certain component density level (abbr.)

43. Connector vendor, now owned by FCI in St. Louis, Missouri

44. Decimeter (abbr.)

45. Morse Code for "from"

46. Encased in a protective covering

47. Hub of the solar system

49. Ham radio organization (abbr.)

52. Soften metal

53. Extended Binary-Coded Decimal Interchange Code (abbr.)

58. Software drafting tool (abbr.)

59. 1/000 of an inch

61. Precision landing system (abbr.)

62. Akin to EEs, CEs, AEs, etc.

64. Army-Navy specification prefix

65. Field Programmable Gate Array (abbr.)

67. Type of microwave diode

68. PC follower

70. Chemical symbol for cadmium

71. Sharp bend in I-V curve

72. Type of current

74. A BPF specification (abbr.)

77. Greek letter used for wavelength (pl.)

80. Analog-to-Digital (abbr.)

82. The "M" in ISM

84. Chemical symbol for mercury

86. Part of a screw that engages the driver (pl.)

88. Unit of time (pl.)

90. Stock symbol for Boeing

91. Logarithmic unit of power

92. U.K. equivalent of the IEEE

93. ___-AZIMUTH telescope mount

94. Online service

95. Automated Test Equipment (abbr.)

97. Display type

98. Direct Digital Synthesis (abbr.)

100. ELI the ICE ___

101. Current-voltage phase mnemonic

102. Logic gate output configuration (abbr.)

110. Chemical symbol for europium

111. Erbium Doped Fiber Amplifier (abbr.)

113. Asynchronous Digital Subscriber Line (abbr.)

114. Keyboard key

115. Its chemical symbol is Co

116. 1E6 bits per second

118. Mechanical engineering organization (abbr.)

119. Galilean moon

122. Chemical symbol for cobalt

125. Unit of length (abbr.)

127. Gallium nitride chemical symbol

128. Chemical symbol for molybdenum

129. Image file format name extension

130. Nuclear explosion byproduct harmful to electronic (abbr.)

131. Electronics manufacturer with "meatball" logo

132. Method of self-detection and self-fixing transmission of digital data (abbr.)

134. Pure carrier (abbr.)

136. Software storage unit

137. Complex Instruction Set Computer

139. Moon of Saturn discovered in 1672

140. Graphics file types

142. Plug-ins for computer buses

143. Method of self-detection and self-fixing transmission of digital data (abbr.)

147. FCC Part 15 rules apply in this band (abbr.)

148. Part of an optical cable bundle

150. System for guiding aircraft (abbr.)

151. Unit of length (abbr.)

153. The unit of electrical resistance

155. Unit of inductance (abbr.)

156. 1/000 of an inch

160. Theoretical

161. Common shorthand reference for a capacitor

162. Color quality

164. Radio location system

168. Imaging device (abbr.)

169. Small motored tool for model drilling, grinding, shaping, etc. (pl.)

170. Add an ion during semiconductor processing

171. Akin to EEs, CEs, AEs, etc.

174. Satellite of Jupiter discovered by Galileo

175. Unit of energy

179. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

180. Front edge of a wing (abbr.)

182. Cable termination type

183. Intentionally block communications signals

185. Chemical symbol for einsteinium

188. Chemical symbol for beryllium

190. 1/000 of an amp (abbr.)

192. Chemical symbol for gallium

193. Chemical symbol for francium 


See solution below

Science & Engineering Crossword Puzzle Solution for July 22, 2012 - RF Cafe

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