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RF Cafe Engineering & Science Crossword Puzzle
January 19, 2020

As with my hundreds of previous engineering and science-themed crossword puzzles, this one for January 19, 2020, contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc., which I have built up 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 January 19, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. Computer monitor cable type (abbr.)
4. High frequency semiconductor (abbr.)
7. A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years
10. Peripheral Component Interface (abbr.)
13. Facility where semiconductors are manufactured (pl.)
14. Electrical safety organization (abbr.)
15. Opposite of I.D.
16. Physical unit by which power is measured
18. Ratio of circumference to diameter
19. Innovative Power Products, Holbrook, NY (abbr.)
21. Radio frequency interference (abbr.)
22. Part of this website's title
23. Service of the ARRL that helps hams solve technical problems (abbr.)
25. Stock symbol for Harris Communications
27. One system's phonetic letter "z"
29. Voltage-current phase mnemonic
30. Type of high frequency diode (abbr.)
32. British astronomer ______ Halley
35. A final surface coating
38. MS's server-side script engine for dynamically-generated web pages (abbr.)
40. Region of low relative pressure
43. Adjacent Channel Power Ratio (abbr.)
44. Code used for automating software tasks
48. Real estate where equipment is located
49. Chemical symbol for beryllium
50. Positive emitter-coupled logic (abbr.)
52. Volts divided by resistance
55. Chemical symbol for cadmium
56. Units of current
59. Transferred charge w/o physical contact
62. Adds two or more inputs
63. Modulation type (abbr.)
64. Chemical symbol for magnesium
65. BSEE + 2 years
66. Comic strip engineer
70. Factors of ten
74. Related to FM by a differential
76. Send a wireless to an early hip-worn wireless device
78. National Television System Committee (abbr.)
79. Chemical symbol for chromium
81. Majority carrier in p-type material
84. Tunes
87. Greek letter
89. Luminous atmospheric phenomenon
92. Logic family (abbr.)
93. Causes circuit path with very low or 0 ohms of impedance
95. 60/40, PbSn, for example
98. Mate a plug to a jack
101. Amplifier linearity specification (abbr.)
103. Automatic Calibration System (abbr.)
104. Type of e-mail address system (abbr.)
105. Mr. de Forest's first name
106. Equalizer (abbr.)
108. Digital voltmeter (abbr.)
109. On-the-air meeting of hams at a set time, day and radio frequency
111. A common battery cell size
112. Transition from solid to liquid phase
114. Chemical symbol for silicon
117. BS__ - the degree held by many RF Cafe visitors
118. Multichannel multipoint distribution service
120. FCC's Universal Licensing System (abbr.)
121. BlackBerry or Jordana for example (abbr., pl.)
122. Integrated Services Digital Network (abbr.)
123. Parts per million (abbr.)
1. Chemical symbol for radium
2. 10^9 bits per second (abbr.)
3. Broadband Signal Intrusion (abbr.)
4. Schema for computer or device presentation to the operator (abbr.)
5. International phonetic alphabet letter "A"
6. Chemical symbol for antimony
7. 1e-6 mA
8. Vector Offset Frequency Shift Keying
9. Ticker symbol for Analog Devices
10. Abbreviation for "power"
11. RF ____, the world's best engineering website
12. Network department (abbr.)
13. Custom metal parts (shields, etc.) etching company located in Chicago, IL
17. Adjusted
20. Period between radar transmitter's output waveform (abbr.)
21. Positive voltage lead color
24. International Microwave Symposium (abbr.)
26. Network configuration type
27. Antenna type derived from simple weighted wires dropped from Zeppelin airships
28. Rádio Nacional de Angola (abbr.)
30. Type of digital filter (abbr.)
31. Unit of inductance (abbr.)
33. PCB mask exposing ray (abbr.)
34. Cellphone band just below PCS
36. Current-voltage phase mnemonic
37. Chemical symbol for neptunium
39. Half of a DIP
41. Schema for computer or device presentation to the operator (abbr.)
42. Coordinated Universal Time (abbr.)
44. Special diode type that can be switched (abbr.)
45. Set the flip-flop output to "0"
46. Trigonometry function for opposite/adjacent side ratio
47. Electronic component package type (abbr.)
50. Min-to-max voltage of a waveform (abbr.)
51. BS__ - the degree held by many RF Cafe visitors
53. Chemical symbol for plutonium
54. Chemical symbol for scandium
56. Stock symbol for Advanced Micro Devices
57. Degree of IC sophistication (abbr.)
58. Surface Mount Technology
59. Intermodulation distortion (abbr.)
60. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
61. Satellite TV system
67. Filter type that blocks upper frequencies (abbr.)
68. Stock symbol for Boeing
69. Enhanced Graphics Adapter
71. A common RS-232 serial bus command (abbr.)
72. Chemical symbol for arsenic
73. Type of current
74. Name for a voltage that appears in an electrical conductor such as a wire, even though the wire is disconnected from an electrical circuit
75. Minutes of Use (abbr.)
77. Describes the action of cleaving a crystal plane
79. Logic gate output configuration (abbr.)
80. CRT electron beam scan type (pl.)
82. Chemical symbol for lawrencium
83. Electrical overstress (abbr.)
85. Joint Tactical Radio Service
86. Describes when a synchronous motor loses phase lock
87. Newest buzz phrase for ubiquitous remote control and monitoring of everything (abbr.)
88. Type of logic gate
90. Unit of length equal to 5.5 yards
91. Chemical symbol for aluminum
93. Chemical symbol for selenium
94. Stock symbol for Harris Communications
96. Mr. Packard's (HP) first name
97. Electronic warfare defense (abbr.)
99. Negation prefix
100. The scalar component of velocity
102. Stock symbol for Dell Computer
105. Light
107. Unit of liquid measure (abbr., pl.)
108. Digital Signal Processor (abbr.)
110. Base of the decimal number system
111. Unit of current
113. Chemical symbol for europium
115. Filter type that blocks frequencies in a specified band (abbr.)
116. Chemical symbol for nickel
119. Decimeter (abbr.)

See solution below

 

2020 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.

2020 | 2019 | 2018 | 2017 | 2016 | 2015 | Sudoku

December 27

December 20

December 13

December 6

November 29

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 January 19, 2020 - RF Cafe

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