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RF Cafe Engineering & Science Crossword Puzzle
January 12, 2020

As with my hundreds of previous engineering and science-themed crossword puzzles, this one for January 12, 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 12, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. Period between radar transmitter's output waveform (abbr.)
5. Gary Breed's fine magazine on RF & microwaves topics (abbr.)
8. 2 Down + ____, this website's title
9. The "B" in BER
11. Official engineering change document (abbr., pl.)
13. Chemical symbol for polonium
14. Ratio of filter's stopband bandwidth (usually 60 dB) to its passband bandwidth (usually 3 dB), 2 wds.
18. Chemical symbol for strontium
19. Automated Test Equipment (abbr.)
20. Used logic gates
21. Opposite of O.D.
22. It connects the software to the hardware
24. Swap ____, a Ham's flea market
26. Chemical symbol for californium
27. Adding a termination
30. Causes a circuit breaker to open
32. Internet address (abbr.)
33. Miniature threaded RF connector
34. Reliability measure
36. A type of average (pl.)
39. Unit of energy (pl.)
40. Electrical overstress (abbr.)
42. Semiconductor On Insulator (abbr.)
43. Bore a hole
45. Type of motor that moves in increments rather than continuous rotation
49. Chemical symbol for nobelium
50. Low altitude earth orbit
52. _/_-___, maker of RF semiconductors and connectors
54. One type of electron spin
55. ECM response
57. IC killer (abbr.)
58. A common battery cell size
59. Audiovisual devices
63. Chemical symbol for manganese
64. Weatherproof cover for a radar antenna
65. Engineering Change Notice (abbr.)
66. Nuclear explosion byproduct harmful to electronic (abbr., pl.)
69. World's first satellite navigation system (abbr.)
70. Cellphone band just below PCS
1. Last stage in a transmitter (abbr.)
2. __ + 8 Across, this website's title
3. Verified proper functionality of a product
4. High power density battery chemistry (abbr.)
5. First lines in software that call external libraries (pl.)
6. U.S. Spectrum allocation agency
7. End of transmission (abbr.)
8. Maker of a popular graphics program
9. Stock symbol for Boeing
10. Short for terminal
12. Small DIP package (abbr., pl.)
13. Form of digital phase modulation in which the phase of the RF signal depends on the modulating code (abbr.)
15. Its chemical symbol is He
16. 12 inches (pl.)
17. Radio Direction Finding (abbr.)
19. Automatic network analyzer (abbr.)
23. Feature of PCB layout software that lays down traces automatically
25. Considered the 4th dimension
28. The design component of total product cost (abbr.)
29. Dielectric material used to form a hermetic seal for thru-wall conductors
31. Astronomical distance of 3.26 light years
35. Thin metallic shield material around coax cable
37. Logical negation operator
38. Unit of conductance
41. Insulating cover over a solder joint (pl.)
43. Added an impurity to a semiconductor
44. Plural of locus
46. Met all test requirements
47. Attenuator
48. Moves from cell to cell
49. Mate to a bolt
51. Society of Civil and Structural Engineers (abbr.)
53. ELI the ICE ___
56. Type of capacitor dielectric
60. Numerical basis for decibels (abbr.)
61. Nuclear explosion byproduct harmful to electronics (abbr.)
62. Switch position
67. Unit of frequency (archaic, abbr.)
68. Unit of time (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 | 2014 | 2013 | 2012 | 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 12, 2020 - RF Cafe

Windfreak Technologies PCB Directory (Manufacturers)
Windfreak Technologies
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