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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 typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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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.

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Communications Crossword Solution for August 2, 2020 - RF Cafe

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