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Communications Engineering Crossword Puzzle
August 2nd, 2020

August 2nd's custom Communications Engineering crossword puzzle contains some words particular to radio, radar, analog and digital circuits, components, and other tech-themed words and clues. Each week for two decades I have created a new technology-themed crossword puzzle using only words (1,000s of them) from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, find someone or something in the otherwise excluded list directly related to this puzzle's technology theme, such as Hedy Lamarr or the Bikini Atoll, respectively. Avid cruciverbalists amongst us: the gauntlet has been thrown down.

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

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

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

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

Communications Crossword Puzzle for August 2, 2020 - RF Cafe


1. Contactless homemade (usually) inductive and/or capacitive test cable end for tracing RF signals on a PCB or in a chassis (2 wds., pl.)

12. Lubricant

13. 300 MHz to 3 GHz

14. Parts per million (abbr.)

16. One component of a complex number (abbr.)

18. Attenuator

19. Akin to WAC, only just in America

20. Chemical symbol for nickel

21. Stock symbol for Advanced Micro Devices

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

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

24. A measure of receiver quality (abbr.)

25. Ham's code for "Are my signals fading?"

27. World's first satellite navigation system (abbr.)

29. Chemical symbol for argon

30. Chemical symbol for ruthenium

31. Type of current flow (abbr.)

33. Electrical safety organization (abbr.)

34. Filter type that blocks lower frequencies (abbr.)

36. Most frequently occurring number in a series of numbers

37. Electro-mechanical control device

39. Unit of resistance (pl.)

40. Release control over

42. An 8-bit unit

44. Chemical symbol for scandium

46. Yard (abbr.)

47. Ticker symbol for Analog Devices

48. Unit of liquid measure (abbr.)

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

50. Add two or more inputs

51. Chemical symbol for gadolinium

53. Min-to-max voltage of a waveform (abbr.)

54. Constellation : The lion

55. Network department (abbr.)

56. Base 16 number system (abbr.)

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

59. Chemical symbol for manganese

60. Start frequency (abbr.)

61. Multifunctional silicon devices (abbr., pl.)

63. Kilovolts (abbr.)

64. Current summing point

66. Group of data to be saved

67. Volts divided by resistance

70. Specialized mobile radio (abbr.)

72. A BPF specification (abbr.)

73. Return-to-Zero (abbr.)

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

76. Mate to a TX

78. Mr. Westinghouse's first name

79. _/_-___, maker of RF semiconductors and connectors

80. Chemical symbol for cadmium

81. Opposite of I.D.

82. Max or min voltage of a waveform (abbr.)

83. Type of logic gate

84. Singulated piece of IC wafer

86. Lacing ____, for bundling cables

88. Provider of services for telecommunications systems in Switzerland

89. Unit of processor calculation speed, abbr.

91. Unit of inductance (abbr.)

93. Programmable logic device (abbr.)

94. A common battery cell size

95. Chemical symbol for einsteinium

97. 1/000 of an inch

99. Stock symbol for Texas Instruments

100. Chemical symbol for neptunium

101. Network file transfer protocol (abbr.)

102. Chemical symbol for ruthenium

103. Chemical symbol for lithium


2. Chemical symbol for nobelium

3. Input intercept point (abbr.)

4. Imperfections in a crystal lattice

5. Chemical symbol for europium

6. _____&Schwarz

7. Unit of capacitance (abbr.)

8. The LM741 was the first

9. Bits per second (abbr.)

10. Electromagnetic (abbr.)

11. The sending of a radio signal

15. Small unit of time (pl.)

17. Electromotive force (abbr.)

20. Gun safety and education organization (abbr.)

25. Request for information from a database

26. One port on a BJT

27. Possess luminosity

28. Circuit path with very low or 0 ohms of impedance

30. Radio Direction Finding (abbr.)

32. European equivalent to the U.L.

33. PCB mask exposing ray (abbr.)

35. It can follow an MS

38. Term used to denote transmission of sound, video, data, etc. (pl.)

41. Quickly changing portions of waveforms

43. Offset Quadrature Phase Shift Keying

45. Describes the action of cleaving a crystal plane

49. Original Equipment Manufacturer (abbr.)

52. Ham abbreviation for "distant station"

53. Ratio of circumference to diameter

56. Gary Breed's fine magazine on RF & microwaves topics (abbr.)

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

61. Precision landing system (abbr.)

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

65. Device for interpreting encoded data

68. Father of radio

69. Its chemical symbol is Ar

71. Maximum voltages in a waveform

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

74. One system's phonetic letter "z"

75. Nuclear explosion byproduct harmful to electronics (abbr.)

77. Type of logic gate

84. Digital Signal Processor (abbr.)

85. End of Life (abbr.)

86. Numerical or constant quantity placed before and multiplying the variable in an algebraic expression (pl)

87. Design for Manufacturability (abbr.)

89. ELI the ICE ___

90. Used to indicate an exponent (pl.)

92. _____ Percy Maxim, founder of the ARRL

94. Leaded component type

96. Official Space Shuttle designation (abbr.)

98. Chemical symbol for lutetium

99. Chemical symbol for thallium

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

106. Early programming language

109. Greek letter used for coefficient of reflection

111. Sample group

112. Teflon (abbr.)

113. 122 Across + ___, the world's best engineering website

114. Direct Memory Access (abbr.)

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

118. Chemical symbol for lawrencium

125. Temporary Engineering Change document (abbr.)

127. Amateur Radio on the International Space Station (acr.)

128. 1/1000 prefix

130. Type of chart use for project planning

131. Half of a DIP

136. Cooling device

138. Semiconductor On Insulator (abbr.)

140. Electronics manufacturer with "meatball" logo

141. PC follower

142. Boob tube (abbr.)

144. Chemical symbol for neon



ACROSS (con't)

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

105. Start frequency (abbr.)

106. Stock symbol for Boeing

107. The "L" in VLF

108. Chemical symbol for silver

110. Chemical symbol for erbium

111. Light

113. Encased in a protective covering

115. Logic family

116. Nikola _____119. Million multiply accumulate operations (abbr.)

120. Semiconductor and calculator company (abbr.)

121. Chemical symbol for iron

122. __ + 113 Down, the world's best engineering website

123. 1/000 of an amp (abbr.)

124. Radio signals from the cosmos (abbr.)

126. Software engineering tool (abbr.)

129. Enhanced Graphics Adapter

131. Chemical symbol for silicon

132. On-the-air meeting of hams at a set time, day and radio frequency

133. Type of digital filter (abbr.)

134. SIP x 2

135. Coefficient of temperature (abbr.)

136. Heatsink feature

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

139. Chemical symbol for platinum

140. One state of matter

141. ___-AZIMUTH telescope mount

143. Unit of weight

145. Measure of ability of a receiver to detect weak signals (pl.)

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 | Sudoku


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

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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

















Communications Crossword Solution for August 2, 2020 - RF Cafe

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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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