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RF Cafe Engineering & Science Crossword Puzzle
January 5, 2020

As with my hundreds of previous engineering and science-themed crossword puzzles, this first one of the new decade, January 5, 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 5, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. __________ & __ magazine (1 wd. + 1 abbr.)
8. Einstein's paradoxical traveler
9. Chemical symbol for iron
11. Effective Radiated Power (abbr.)
12. Special diode type that can be switched (abbr.)
14. Junk e-mail
17. Chemical symbol for selenium
19. __ + 20 Across is this website's title
20. 19 across + ____ is this website's title
22. Adjustment dial
24. PC follower
26. Airfoil shapers
28. Relating to the sun
29. Microprocessor vendor
31. Cause a voltage or current waveform to gradually die out
33. Chemical symbol for nickel
34. Type of data storage IC (abbr.)
36. Elemental compound used for microwave frequency reference oscillators (abbr., pl.)
38. A common battery cell size
39. Million samples per second
41. Oscillator type that is referenced to an external source (abbr., pl.)
43. 1e3 uV
45. Describes when a synchronous motor loses phase lock
47. High power density battery chemistry (abbr.)
49. Chemical symbol for magnesium
51. A length of transmission line that is open or shorted at one end
53. Control and monitoring board
54. Number system which uses only the digits 0 to 7
56. Official engineering change document (abbr., pl.)
58. One component of a complex number (abbr.)
59. Set of poles
61. Unit of resistance (abbr.)
63. Intel x86 command for " jump if above"
64. Chemical symbol for silicon
66. Miniature threaded RF connector (pl.)
67. Chemical element abbreviated Sn
68. Compressed image file format
69. Min-to-max voltage of a waveform (abbr.)
72. Send a wireless to an early hip-worn wireless device
73. Cause of a decrease in signal amplitude (pl.)
1. www.____.com is the URL for 1 Across
2. Input intercept point (abbr.)
3. Cyanide (abbr.)
4. International phonetic alphabet letter "O"
5. Type of current flow (abbr.)
6. Electronically images a document
7. Small unit of capacitance (abbr.)
8. Device used to provide a complex conjugate impedance match to the end of a transmission line (pl.)
10. Chemical symbol for einsteinium
12. Chemical symbol for scandium
13. The "D" in RFID (pl.)
15. Max or min voltage of a waveform (abbr.)
16. Earth's natural satellite
18. Common point on a BJT curve trace graph where the extrapolated linear operating regions all intersect (2 wds.)
21. Online auction site
23. Target indication on a radar display
24. Test document for verifying proper function (abbr.)
25. Short for terminal
27. Internet mail protocol (abbr.)
30. Signal amplitude degradation due to inefficiency
32. Query an input for changes
35. Multiprotocol Label Switching (abbr.)
37. Describes when a synchronous motor loses phase lock
40. Real estate where equipment is located
42. Longitudinal shape-forming structural element
44. Internet mail protocol (abbr.)
46. Isolator or circulator ferrous component
48. Exponent that returns the original number
50. High frequency semiconductor (abbr.)
52. Turn on the computer
55. Restrain voltage input
57. The "S" in ASK
60. Chemical symbol for radium
62. Chemical symbol for manganese
63. Compressed image file formats
65. Internet protocol (abbr.)
68. Prefix used on many MIL-SPEC components
70. Last stage in a transmitter (abbr.)
71. Upper frequency (abbr.)
72. Chemical symbol for polonium

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

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September 6 

August 30

August 23

August 16

August 9

August 2

July 26

July 19

July 12

July 5

June 28

June 21

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June 7

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May 10

May 3

April 26

April 19

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April 5

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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 5, 2020 - RF Cafe

Anatech Electronics (RF Filters) - RF Cafe withwave microwave devices - RF Cafe
Windfreak Technologies Axiom Test Equipment - RF Cafe
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