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Wireless Crossword Puzzle
February 3, 2013

2013 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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 29

December 22

December 15

December 8

December 1

November 24

November 17

November 10

November 3

October 27

October 20

October 13

October 6

September 29

September 22

September 15

September 8

September 1

August 25

August 18

August 11

August 4

July 28

July 21

July 14

July 7

June 30

June 23

June 16

June 9

June 2

May 26

May 19

May 12

May 5

April 28

April 21

April 14

April 7

March 31

March 24

March 17

March 10

March 3

February 24

February 17

February 10

February 3

January 27

January 20

January 13

January 6

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

Wireless Crossword Puzzle for February 3, 2013 - RF Cafe

(click for larger printable version)

1. Digital intelligence

4. Part of a directive antenna that derives energy from mutual coupling with the driven element (2 wds., pl.)

15. Type of cryptographic algorithm that takes a string and converts it to a numeric code

18. Circuit for maintaining constant voltage (abbr.)

20. Morse Code for "from"

21. Type of current flow (abbr.)

22. Chemical symbol for europium

23. Shorthand for oxygen

24. Volt-ohmmeter (abbr.)

25. Unit of length (abbr.)

26. Ham abbreviation for transceiver

28. Logarithmic unit of power (abbr.)

30. Chemical symbol for palladium

31. Unit of length (abbr.)

33. Transmit Incremental Tuning (abbr.)

35. Type of e-mail address system (abbr.)

36. Chemical symbol for molybdenum

38. Type of digital filter (abbr.)

39. Unit of apparent power (abbr.)

41. 300 Hz to 3 kHz

42. High-speed logic family

44. Type of high frequency diode (abbr.)

46. Enhanced Graphics Adapter

48. Constellation : The scales

51. Readability, Signal, and Tone (QoS report type)

53. Measure a waveform at regular intervals

55. The design component of total product cost (abbr.)

56. Path followed by a heavenly body around a star

58. Wire diameter unit (abbr.)

59. Proportion of two numbers

61. Transformer interwinding connection

62. Unit of inductance (abbr.)

64. Radio Amateurs of Canada (abbr.)

66. Connector vendor headquartered in Bristol, PA

68. Greek letter, used to indicate summation

70. Semiconductor On Insulator (abbr.)

72. Chemical symbol for thallium

73. Front edge of a wing (abbr.)

74. SIP x 2

75. Chemical symbol for radon

76. Home state of Los Alamos lab (abbr.)

78. Chemical symbol for niobium

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

81. Below ELF

83. 1/000 of an amp (abbr.)

84. Course headings

87. Leading and trailing edge frequency variation of a CW pulse

90. Type of screw (2 wds.)

93. Computer interconnection scheme (abbr.)

94. Miniature threaded RF connector

95. Chemical symbol for calcium

97. Bands between RF and baseband

98. Chemical symbol for iron

99. Government program to bring electricity to farms (abbr.)

100. Semiconductor lamp

102. Readability, Signal, and Tone (QoS report type)

104. Aerodynamic opposition to thrust

106. Counter ElectroMotive Force (abbr.)

108. 30 Hz to 300 Hz

110. Data declaration type in software (pl.)

111. Chemical symbol for holmium

112. 1e3 uV

113. The "I" in IL, as in S21 of a filter

114. International Telecommunications Union

115. Apollo 11 astronaut ____ Aldrin

119. One type of electron spin

122. Part of a male connector

123. Digital transmission figure of merit (abbr.)

124. Low Noise Amplifier (abbr.)

126. Chemical symbol for lawrencium

127. Common shorthand reference for a capacitor

129. Morse Code for "from"

130. Precision landing system (abbr.)

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

134. Technology dealing with the design, construction, and operation of robots

137. Increase in elapsed time before a signal begins

139. Opposite of transmitted

143. Chemical symbol for rubidium

145. Gun safety and education organization (abbr.)

146. Chemical symbol for radium

147. Chemical symbol for lead

148. Test equipment (abbr.)

150. Chemical symbol for neon

151. One state of matter

152. Chemical symbol for lithium

153. Chemical symbol for argon

154. Type of data conversion device (abbr.)

156. Color representing "0"

159. Having to do with charged particles

161. Signal-to-noise ratio (abbr.)

162. Type of modulation (abbr.)

163. Scheme to maintain proper frequency (abbr.)

165. Used lubricant

167. 30 GHz to 300 GHz

169. Basic PN junction component

171. International Reply Coupon (abbr.)

174. Ham's term for radio equipment enclosure (pl.)

176. Type of chart

177. Constellation : The water snake

179. Personal Digital Cellular

180. French mathematician and physicist who's name is used as a unit of gas pressure

181. Electronics Industry Association (abbr.)

182. Galilean moon

183. Ham abbreviation for "distant station"

184. Half of DSB

185. Band between RF and BB

186. Test document for verifying proper function (abbr.)

187. Metric system (abbr.)

189. Test point (abbr.)

191. Chemical symbol for bismuth

192. Ham's code for "What is the name of your station?"

194. Precision landing system (abbr.)

196. PC follower

197. Logic family

198. Greek letter used for frequency

199. 300 kHz to 3 MHz

201. PC follower

202. Chemical symbol for francium

204. End of Life (abbr.)

206. Opposite of a source

207. Inventor of the high voltage generator that powers the Jacob's Ladder (2 wds.)

208. Plug-in for computer bus

1. Like a boundary value EM fields problem

2. Chemical symbol for tantalum

3. ___-AZIMUTH telescope mount

5. Analog-to-Digital (abbr.)

6. Positive voltage lead color

7. Crystal filter type (abbr.)

8. Multifunctional silicon devices (abbr.)

9. Intermodulation distortion (abbr.)

10. Electronic warfare defense (abbr.)

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

12. Multiplexer (abbr.)

13. Logical negation operator

14. Mate to an RX

15. Communication between stations by reflecting the radio waves off of the ionosphere

16. Modulation type (abbr.)

17. Robert _____ - developed a mathematical rule for determining spring forces

19. Pass-Fail ________, defining limits for acceptance test

24. Easily evaporated at normal temperatures

27. Transmit Incremental Tuning (abbr.)

29. Cosmological theory (3,4)

30. Programmable logic device (abbr.)

32. Very large unit of apparent power (abbr.)

34. Put a new program on a computer

35. Cellphone band above DCS

37. Silicon transistor type (abbr.)

40. Largest broadcaster in the UK (abbr.)

43. Innovative Power Products, Holbrook, NY (abbr.)

45. Chemical symbol for argon

46. Chemical symbol for erbium

47. Powers pneumatic devices

49. International Microwave Symposium (abbr.)

50. Common average used for sinewaves (abbr.)

51. Type of data storage IC

52. Semiconductor and calculator company (abbr.)

54. 1/000 of an amp (abbr.)

56. Amateur radio abbreviation for the Oceania region (abbr.)

57. Add solder to tip of iron

59. Computer monitor cable type (abbr.)

60. Unix, Linux or Windows (abbr.)

63. Chemical symbol for helium

65. Automatic Packet Position Reporting System (abbr.)

67. Science of assuring operation amid dense EM background noise (abbr.)

69. Indium phosphide

71. Workplace safety group (abbr.)

72. Chemical symbol for thulium

74. Maker of touch-screen LCD modules

75. RĂ¡dio Nacional de Angola (abbr.)

77. Upward force generated by an airfoil

80. Precision approach radar (abbr.)

82. Digital signal measurement of transition from 90% to 10% of pk-pk value (2 wds., pl.)

84. Region between semiconductor doping potentials

85. Insert a doping ion into a semiconductor lattice

86. Special diode type that can be switched (abbr.)

88. Opposite of a LO

89. Type of flip-flop

90. Finite-Element Model

91. _______ strength - measure of resistance from breaking

92. Specified system parameters

96. A common battery cell size

98. Chemical symbol for iron

101. Large unit of apparent power (abbr.)

103. Greek letter

104. 2 x SSB

105. Unit of frequency

106. A gaseous process that deposits insulating films or metal onto a wafer at elevated temperature (abbr.)

107. Heatsink feature

108. Effective Radiated Power (abbr.)

109. Carrier-to-noise ratio (abbr.)

116. FCC's Universal Licensing System (abbr.)

117. Chemical symbol for zirconium

118. The "B" in BGA

120. Opposite of I.D.

121. BER, 8 bits at a time

124. Termination

125. Powers pneumatic devices

127. European equivalent to the U.L.

128. Last stage in a transmitter (abbr.)

130. Current-voltage phase mnemonic

131. One bit of a real number

133. Sends information

135. The fourth series in the spectrum of hydrogen

136. Wiring assembly

137. Relative power level unit (abbr.)

138. Elemental compound used for microwave frequency reference oscillators (abbr.)

140. Electrical device for registering shaft positions

141. Data declaration type in software

142. Used software for circuit or system design

144. Chemical symbol for bromine

147. Attenuator

149. Last statement in a BASIC program

152. 30 kHz to 300 kHz

155. Chemical symbol for cobalt

157. Mr. de Forest's first name

158. Send Morse Code

159. Discipline for aircraft navigation in low visibility environments (abbr.)

160. Input intercept point (abbr.)

161. Chemical symbol for selenium

163. A common battery cell size

164. A BPF specification (abbr.)

166. Internet protocol (abbr.)

168. High Data Rate

170. Type of current

172. Type of flip-flop

173. Imaging device (abbr.)

175. Half of a DIP

177. Having power applied (slang)

178. Ticker symbol for Analog Devices

180. Greek letter

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

187. Mr. Piper's famous yellow airplane

188. Specialized mobile radio (abbr.)

190. BlackBerry or Palm for example (abbr.)

191. Binary Coded Decimal

192. Ham's code for "What is the correct time?"

193. Colorado Springs military school (abbr.)

195. System On Chip

197. Army-Navy specification prefix

198. Chemical symbol for nobelium

200. Unit of length (abbr.)

201. Chemical symbol for silver

203. Part of this website's title

205. Chemical symbol for lanthanum

See solution below

















Wireless Crossword Puzzle Solution for February 3, 2013 - RF Cafe

Windfreak Technologies SynthHD PRO - RF Cafe

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Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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