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Exodus Advanced Communications

RF Cafe Science & Engineering Crossword Puzzle
April 26, 2020

This April 26, 2020, tech-themed crossword puzzle is bigger than most, figuring that unfortunately many people have more time to kill due to the situation described in the sentence formed by 5 Down, 8 Down, 44 Down, 74 Down, 77 Down, and 80 Down. Otherwise, i 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 April 26, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. BlackBerry or Palm for example (abbr.)
4. NIST radio station (broadcasts time signals)
7. A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years
10. Resistive component of a capacitor's lumped element model (abbr.)
13. Dimension, with units
14. Chemical symbol for europium
15. Band between RF and BB
16. Acronym for the U.S. EPA standards imposed on automobile manufacturer vechile emissions
18. Schema for computer or device presentation to the operator (abbr.)
19. It can follow an MS
21. Gun safety and education organization (abbr.)
22. 30 kHz to 300 kHz
23. 36 in. (abbr., pl.)
25. Powers pneumatic devices
27. Minutes of Use (abbr.)
29. A keyboard key
30. It connects the software to the hardware
32. Mate a plug to a jack
35. Fraction of incident light or radiation reflected by a surface or body
38. A type of digital modulation (abbr.)
40. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
43. The "V" in VLF
44. Unit of luminosity
48. Another name for a test lead
49. BS__ - the degree held by many RF Cafe visitors
50. Move in a raster pattern
52. Asynchronous Communication Interface Adapter (abbr.)
55. Filter type that blocks frequencies in a specified band (abbr.)
56. Product of force x distance from a point (pl.)
59. Soaks up RF energy
62. Front end of a rocket
63. Electromagnetic (abbr.)
64. Morse Code for "from"
65. Volts divided by resistance
66. Insert a doping ion into a semiconductor lattice
70. Abruptly limited the amplitude of a signal
74. Morse Code for "from"
76. Another word for each complete winding of an inductor
78. International phonetic alphabet letter "E"
79. Chemical symbol for helium
81. Nuclear explosion byproduct harmful to electronic (abbr., pl.)
84. Negative terminal
87. 2/3 of a triac
89. Use the wheel on a mouse
92. Peak envelope power (abbr.)
93. Manned rocket series that went to the moon
95. Plasma atmosphere layer of the sun
98. Greek mathematician who wrote the book "Elements of Geometry"
101. Angular speed unit
103. Intermodulation distortion (abbr.)
104. The design component of total product cost (abbr.)
105. Greek letter
106. A common battery cell size
108. ___-AZIMUTH telescope mount
109. Low Noise Amplifier (abbr.)
111. Chemical symbol for calcium
112. 36 inches
114. Test equipment (abbr.)
117. Coefficient of temperature (abbr.)
118. Color code for "9"
120. Family of ICs with a certain component density level (abbr.)
121. BlackBerry or Jordana for example (abbr., pl.)
122. Volt, meter, pint, pound, eg.
123. Adjust a pot
1. Ratio of circumference to diameter
2. 1/4-turn fastener
3. Anatech Electronics Inc., (abbr.)
4. Wired Equivalent Privacy (abbr.)
5. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
6. Chemical symbol for beryllium
7. Chemical symbol for neon
8. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
9. Colorado Springs military school (abbr.)
10. High-speed logic family
11. Fail-____ switch
12. __ engineering, what many visitors of the 40 Across website do
13. Radio signal that is reflected back to earth from one of the layers of the ionosphere (2 wds.)
17. Goes beyond published limits
20. Singulated piece of IC wafer
21. Negation prefix
24. Semiconductor lamp
26. RF computer network
27. International phonetic alphabet letter "M"
28. Notch type filter (abbr.)
30. Send Morse Code
31. Read-only (abbr.)
33. Chemical symbol for erbium
34. ___/IP scheme for networked connectivity
36. Mr. de Forest's first name
37. Filter type that blocks frequencies in a specified band (abbr.)
39. Synchronous Digital Hierarchy
41. Chemical symbol for argon
42. Wireless transmitting device that opens a car door remotely
44. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
45. RF radiating structure
46. Named a software object
47. Automatic Calibration System (abbr.)
50. Type of component package (abbr.)
51. European equivalent to the U.L.
53. Galilean moon
54. Chemical symbol for argon
56. Degree of IC sophistication (abbr.)
57. Original Equipment Manufacturer (abbr.)
58. Surface Mount Technology
59. Type of data conversion device (abbr.)
60. The UK's largest defense electronics contractor (abbr.)
61. Electronic component package type (abbr.)
67. Chemical symbol for platinum
68. Chemical symbol for lutetium
69. Flash caused by an electric current ionizing a gas or vapor
71. Current-voltage phase mnemonic
72. Unit of inductance (abbr.)
73. Chemical symbol for polonium
74. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
75. Science of assuring operation amid dense EM background noise (abbr.)
77. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
79. The computer in 2001: A Space Odyssey
80. 5 Down + 8 Down + 44 Down +74 Down + 77 Down + 80 Down, a message about current worldwide shutdowns.
82. Chemical symbol for praseodymium
83. System On Chip
85. Attenuator topology (hyph.)
86. Circuit path with very high or infinite impedance
87. U.S. military organization (abbr.)
88. S12 or S21 (abbr.)
90. Numerical basis for decibels (abbr.)
91. Chemical symbol for lawrencium
93. Chemical symbol for aluminum
94. Type of chart
96. Used lubricant
97. Nordic Mobile Telephone
99. Internet address (abbr.)
100. 10E-2 numerical prefix
102. Military Auxiliary Radio System
105. ____ earth elements
107. Ticker symbol for Analog Devices
108. Test document for verifying proper function (abbr.)
110. Logic family
111. Metric system (abbr.)
113. Chemical symbol for aluminum
115. Network department (abbr.)
116. Greek letter used for frequency
119. PC follower

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 April 26 - RF Cafe

Triad RF Systems withwave microwave devices - RF Cafe
Exodus Advanced Communications - RF Cafe LadyBug Technologies LB480A RF Power Sensor Connectors - RF Cafe
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    BSEE - KB3UON

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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