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RF Cafe Science & Engineering Crossword Puzzle
March 22, 2020

This March 22, 2020, tech-themed crossword puzzle contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc., which I have personally built over nearly two decades. Many new words and company names have been added that had not even been created when I started in the year 2002. You will never find a word taxing your knowledge of a numbnut soap opera star or the name of some obscure village in the Andes mountains. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you.

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs or works crosswords.


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

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

Engineering & Science Crossword Puzzle March 22, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. Hollywood actress with first patent for spread spectrum communications (2 wds.)

9. Computer monitor cable type (abbr.)

11. Does not pass electrical test

17. Aircraft tracking system

18. Wireless transmitting device that opens a car door remotely

20. Term used in soldering to describe the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface

22. __ + 34 Down, this website's title

23. Type of coaxial transmission line with solid outer shielding

25. Type of data storage IC

26. Chemical symbol for radium

28. Finite Element Analysis (abbr.)

29. Fuel additive

30. A common RS-232 serial bus command (abbr.)

32. Weatherproof cover for a radar antenna

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

37. Asynchronous Digital Subscriber Line (abbr.)

39. Synchronous Digital Hierarchy

41. One port on a BJT (pl.)

42. Nearest and furthest points to the center of gravitational attraction for a body in orbit (pl.)

45. Type of distribution, squared

46. Chemical symbol for cobalt

47. Key feature in a high level overvoltage protection device

50. International Microwave Symposium (abbr.)

51. Adjust a pot

53. Upper frequency (abbr.)

54. Unit of inductance (pl.)

55. Radio that both transmits and receives

56. Adjustment to meet a specification

62. Frequency band at high end of audio spectrum (pl.)

66. Part of a FOR loop

68. World's largest yearly convention of gadget and device manufacturers (abbr.)

69. Constellation : The lion

71. System On Chip

72. Unit of time (abbr.)

73. 30 GHz to 300 GHz

75. Sets of poles

76. Work out the solution to an equation

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

80. Logic family

83. BER, 8 bits at a time

85. Move in a raster pattern

86. Stock symbol for Lockheed Martin

88. Common test for verifying high voltage tolerance w/o breakdown

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

92. Opposite of I.D.

95. Total radiated power (abbr.)

96. Elements in front of the driven element in a Yagi or Quad antennas

98. Opposite of O.D.

99. Slang for Ham radio equipment made in Japan or the Orient (2 wdds.)

103. Negative temperature coefficient (abbr.)

104. Ratio of output to input power, voltage, current, light, etc. (pl.)

107. Traditional term for a person who enjoys helping newcomers get started in ham radio - a mentor

108. Short for potentiometer

109. Electromagnetic wavelength unit (pl.)

2. Chemical symbol for erbium

3. Type of data conversion device (abbr.)

4. Yard (abbr.)

5. A coherent monochrome light source

6. Length times width

7. Adjusts or tunes a circuit

8. A concern of Boolean equations

10. Chemical symbol for gadolinium

11. 10E-15 numerical prefix

12. PC follower

13. International Telecommunications Union

14. Chemical symbol for lithium

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

16. A receiver circuit consisting of a beat frequency oscillator and additional circuitry for enhanced reception of SSB signals (2 wds.)

18. Heatsink feature

19. The "B" in BER

20. Ham abbreviation indicating contacts with all major land masses

21. GaAs (2 wds.)

24. Form/fit/function replacement

27. Common average used for sinewaves (abbr.)

31. Type of data conversion device (abbr.)

33. Quickly changing portion of waveform

34. 22 Across + ____, this website's title

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

36. Complex Instruction Set Computer

38. 3 GHz to 30 GHz

40. A radio operator's name (pl.)

43. "Texting" (abbr.)

44. Go through the process of planned creation

48. Chemical symbol for praseodymium

49. Its chemical symbol is Ar

51. Chemical symbol for silicon

52. Test equipment (abbr.)

57. Type of current flow (abbr.)

58. Network department (abbr.)

59. RF computer network

60. Anatech Electronics Inc., (abbr.)

61. Component around which wire is wrapped to make an inductor

63. An abbreviation for "receiver"

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

65. Official engineering change document (abbr., pl.)

67. Unit of resistance

70. The "L" in VLF

74. BASIC looping keyword

77. Elementary particle

79. Peripheral Component Interface (abbr.)

81. Amateur Teleprinter Over Radio (abbr.)

82. Computer I/O interfaces; i.e., USB, serial, parallel

84. Radio Amateur Satellite Corporation (abbr.)

87. Ham abbreviation for transceiver

89. Part of a male connector

90. Temporary Engineering Change document (abbr.)

91. Unit of energy (pl.)

93. Singulated piece of IC wafer

94. Original Equipment Manufacturer (abbr.)

97. Ham's code for "Station is leaving the net."

100. Chemical symbol for chlorine

101. Chemical symbol for beryllium

102. Galilean moon

105. Infrared (abbr.)

106. Type of component package (abbr.)


See solution below

 

2020 Crossword Puzzle 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

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 27

December 20

December 13

December 7

November 29

Thanksgiving Day

November 22

November 15

November 8

November 1

October 25

October 18

October 11

October 4

September 27

September 20

September 13

September 6

August 30

August 23

August 16

August 9

August 2

July 26

July 19

July 12

July 5

June 28

June 21

June 14

June 7

May 31

May 24

May 17

May 10

May 3

April 26

April 19

April 12

April 5

March 29

March 22

March 15

March 8

March 1

February 23

February 16

February 9

February 2

January 26

January 19

January 12

January 5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering & Science Crossword Solution March 22 - RF Cafe

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Werbel Microwave (power dividers, couplers)

Anatech Electronics RF Microwave Filters - RF Cafe

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