RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
March 19, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics, chemistry, physics, and other technical words. Clues in this puzzle with an asterisk (*) are pulled from this past week's (3/13 - 3/17) "High Tech News" column on the RF Cafe homepage. Enjoy!


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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines March 19, 2017

ACROSS DOWN
1. Headphone _________ Explode on Flight to Australia *

7. Boy Scouts Announce 2017 ________-on-the-Air Theme *

11. 18 GHz to 26.5 GHz

14. Write-Once (abbr.)

15. Opposite of I.D.

16. Electrical safety organization (abbr.)

17. ECM response

19. Chemical symbol for neon

21. Chemical symbol for manganese

23. Type of data conversion device (abbr., pl.)

24. Curly-Q type light bulb (abbr.)

27. Local Oscillator (abbr.)

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

29. ISDN BRI channel

31. Chemical symbol for xenon

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

35. Powers pneumatic devices

37. Modem encoding method (abbr.)

38. Halves of DIP's

40. Teflon (abbr.)

41. Type of data conversion device (abbr.)

43. Silicon transistor type (abbr.)

46. Chemical symbol for aluminum

47. Chemical symbol for gadolinium

48. Band between RF and BB

50. Test point (abbr.)

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

53. Type of memory

54. Permeability-tuned oscillator (abbr.)

56. Battery cell chemistry type (abbr.)

57. Multifunctional silicon devices (abbr.)

58. A BPF specification (abbr.)

60. Chemical symbol for chlorine

61. Electronic Variable Optical Attenuator (abbr.)

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

63. Electronics manufacturer with "meatball" logo

65. Type of current flow (abbr.)

66. Direct Memory Access (abbr.)

67. The "L" in VLF

68. Type of chart

69. Modulation type (abbr.)

70. Marissa Mayer out at Yahoo! with $23M ______ Parachute *

71. Chemical symbol for europium

73. Institute of Electrical and Electronics Engineers

75. Space-Based ______ Among Beijing's High-Tech Arms *

76. Chemical symbol for terbium

78. Mate to a TX

79. Describes some waveguides that use a longitudinal protrusion to increase operational bandwidth

82. ____ Meet, a Ham's flea market

84. 10E1 numerical prefix

86. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

88. 1E6 nanoseconds

89. Transmit Incremental Tuning (abbr.)

90. Logic family

92. Negative temperature coefficient (abbr.)

94. Read-only (abbr.)

95. Network department (abbr.)

96. Chemical symbol for platinum

97. Started as HPIB

98. 1.602E-19 Joules

100. Unit of time (abbr.)

102. Unit of liquid measure (abbr.)

104. Unit of time

107. Type of logic gate (pl.)

109. Crystal filter type (abbr.)

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

113. 1e-6 mA

114. Unit of apparent power (abbr.)

116. Chemical symbol for arsenic

117. Chemical symbol for antimony

119. Stock symbol for Raytheon

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

123. Microwaves & RF magazine (abbr.)

125. Ad-hoc on demand distance vector (abbr.)

127. Intentionally block communications signals

128. Logarithmic unit of power

130. European equivalent to the U.L.

131. Chemical symbol for gold

132. Co-channel rejection ratio (abbr.)

134. Start frequency (abbr.)

135. Unit of time (abbr.)

137. 30 GHz to 300 GHz

139. Fourth largest asteroid

141. Chemical symbol for tantalum

143. Chemical symbol for silicon

144. Adds solder to the tip of a soldering iron

146. Stock symbol for Boeing

148. Mate to an RX

150. Army-Navy specification prefix

151. Runge-_____ method in differential equations

152. Removing oxygen from or adding hydrogen to a compound

153. _________ Market Plunged 14% in 2016 *

1. Glued together

2. Part of a FOR loop

3. Time Division Multiplexing

4. Chemical symbol for ruthenium

5. Precision landing system (abbr.)

6. Losing _________ Nearly as Stressful as Terror Threat *

7. Cable protective covering (pl.)

8. Low- to mid- frequency RF connector

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

10. High-speed logic family

11. Unit of length (abbr.)

12. Audio Frequency Shift Keying (abbr.)

13. People who perform the "D" part of R&D

18. Chemical symbol for cobalt

20. Chemical symbol for einsteinium

22. Qualcomm Makes $47B Takeover Bid for ___ Semiconductor *

25. Crystal surface

26. Chemical symbol for lithium

28. Broadband Signal Intrusion (abbr.)

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

32. Chemical symbol for einsteinium

33. Filter type that blocks frequencies below and above a specified band (abbr.)

34. Analog-to-Digital (abbr.)

36. Chemical symbol for radon

39. Type of secondary radar system (abbr.)

42. Flash caused by an electric current ionizing a gas or vapor

44. Chemical symbol for praseodymium

45. Type of logic gate

46. PC follower

47. FBI Allegedly Paid ____ Squad Techs as 'Confidential Human Sources' *

49. Ratio of circumference to diameter

52. Sound frequency in the human hearing range (abbr.)

54. Pick-and-_____ automated PCB component insertion tool

55. Small Office/Home Office (abbr.)

56. A common lamp tube gas

57. U.K. equivalent of the IEEE

59. Paced by Big Spenders, Chip _____ Projected to Grow *

60. Centimeter (abbr.)

63. Sprint Shows off _______ Class LTE with Qualcomm, Motorola

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

66. Direct Memory Access (abbr.)

67. Has a positive phase wrt a reference

69. Up in the air

72. User Datagram Protocol

73. Intermodulation distortion (abbr.)

74. Chemical symbol for erbium

76. Thin Shrink Small Outline Package (abbr.)

77. Bandwidth (abbr.)

79. _____ _____ Again Files for Bankruptcy (2 wds.) *

80. Force required to impart an acceleration of one centimeter per second per second to a mass of one gram (pl.)

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

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

85. Supplier of high power linear and pulsed RF, microwave and millimeter wave amplifiers in San Marcos, CA

86. An abbreviation for "receiver"

87. Sends a file over a network (abbr.)

89. Transmit Incremental Tuning (abbr.)

91. Packet Bulletin Board System

93. Boob tube (abbr.)

99. Precision approach radar (abbr.)

101. Chemical symbol for scandium

102. Ham's code for "Shall I decrease power?"

103. _______ Plans to Shift Manufacturing from Mexico to U.S. *

105. One type of electron spin

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

108. Chemical symbol for rubidium

110. Weight (abbr.)

112. Battery cell chemistry type (abbr.)

115. A feedback scheme to level out the receiver audio volume (abbr.)

116. Archaic term for an outdoor antenna

118. Akin to WAC, only just in America

120. Chemical symbol for neodymium

122. Chemical symbol for plutonium

124. Chemical symbol for iron

125. A common battery cell size

126. One port of an amplifier

127. Type of transistor (abbr.)

129. Chemical symbol for beryllium

133. Chemical symbol for cesium

135. Chemical symbol for nickel

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

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

140. Largest broadcaster in the UK (abbr.)

142. System for guiding aircraft (abbr.)

144. Chemical symbol for tantalum

145. Chemical symbol for selenium

147. Chemical symbol for argon

149. Chemical symbol for xenon


See solution below

 

2017 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.

2024 | 2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku

Cruciverbalist:

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 31

December 24

December 17

December 10

December 3

November 26

November 19

November 12

November 5

October 29

October 22

October 15

October 8

October 1

September 24

September 17

September 10

September 3

August 27

August 20

August 13

August 6

July 30

July 23

July 16

July 9

July 2

June 25

June 18

June 11

June 4

May 28

May 21

May 14

May 7

April 30

April 23

April 2

March 26

March 19

March 12

March 5

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Cafe Engineering Crossword Puzzle Solution w/Weekly Headlines March 19, 2017