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2010 Engineering & Science Crossword Puzzles
 Take 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.
2023 |2022 | 2021
| 2020 | 2019
| 2018 | 2017
| 2016 | 2015
| 2014 | 2013
| 2012 | 2011
| 2010 | 2009
| 2008 | 2007
| 2006 | 2005
| 2004 | 2003
| 2002 | 2001
| 2000 |
Sudoku
Cruciverbalist: A cruciverbalist is a person who is skilled at creating or solving crossword
puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross,
and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they
possess a deep knowledge of wordplay, vocabulary, and the techniques used in
constructing and solving crosswords. They aim to make puzzles that are both
challenging and enjoyable for crossword enthusiasts.
- Dec 19,
Dec 12, Dec 5-
Nov 28, Nov 21,
Nov 14, Nov 7 -
Oct 31, Oct 24,
Oct 17, Oct 10,
Oct 3 - Sep 26,
Sep 12, Sep 5 -
Aug 29, Aug 22 -
Jul 25, Jul 18,
Jul 11, Jul 4 -
Jun 27, Jun 20,
Jun 13, Jun 6 -
May 30, May 23,
May 16, May 9,
May 2 - Apr 25,
Apr 18, Apr 11,
Apr 4 - Mar 28,
Mar 21, Mar 14,
Mar 7 - Feb 28,
Feb 21, Feb 14,
Feb 7 - Jan 31,
Jan 24, Jan 17,
Jan 10, Jan 3
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS1. Part of a gyroscope that facilitates free
movement of the reference sphere 4. Electronically imaged a document
7. Chemical symbol for tin 9. 3 MHz to 30 MHz 10. Network department (abbr.) 11. Electronic Variable
Optical Attenuator (abbr.) 13. Chemical symbol for gallium 15. Balun with both ports unbalanced (pl.)
18. Custom metal parts (shields, etc.) etching company located in Chicago, IL 21. Noise source and
measurement company in Parsippany, NJ
24. Filter type that blocks lower frequencies (abbr.) 25. Opposite of a LO 26. Join a male and a female
connector 30. Test point (abbr.) 31. Family of ICs with a certain component density level (abbr.) 33.
Chemical symbol for selenium 34. ___- +35A Microwave, RF switch manufacturer in Ventura, CA 35. 34A- ___
Microwave, RF switch manufacturer in Ventura, CA 38. European spectrum allocation agency (abbr.)
40. Electrical overstress (abbr.) 41. Configure a switch to make electrical contact
43. RF computer network 46. Mass unit (abbr.) 47. _____ International, wireless modules & products
supplier in Fairfield, CT 49. Type of spread spectrum that does not use direct sequence spreading (abbr.)
50. Material testing organization (abbr.) 52. Greek letter (micro)
54. Common shorthand reference for a capacitor 56. Chemical symbol for mercury 57. 30 GHz to 300 GHz
58. Elemental compound used for microwave frequency reference oscillators (abbr., pl.) 60. Type of current
flow (abbr.) 62. Multifunctional silicon devices (abbr.)
65. A measure of receiver quality (abbr.) 66. Chemical symbol for arsenic 68. Time delay (abbr.) 69.
Digital storage oscilloscope (abbr.) 70. A crescent shaped figure formed on a sphere or plane by two
intersecting arcs 71. Specialized mobile radio (abbr.)
72. Mr. de Forest's first name 74. The "C" in CDMA 76. Describes when a synchronous motor loses phase lock
79. Special diode type that can be switched (abbr.) 80. PCB metal area where component leads attach 81.
Unit of length (abbr.) 82. Finite Element Analysis (abbr.)
85. Army-Navy specification prefix 86. KR ___________, RF/microwave filter company in Avenel, NJ 87.
Programmable Logic Device (abbr.)
DOWN1. Unit of frequency 2. Band between RF and
BB 3. The constellation in which Canopus is located 4. A length of transmission line that is open or
shorted at one end 5. 10^-9 numerical prefix 6. Reduces receiver sensitivity due to overload from a nearby
transmitter 7. Small Office/Home Office (abbr.) 8. 1e-6 mA 12. Megohm (abbr.) 14. Sound frequency in
the human hearing range (abbr.) 16. 1 17. Half of a DIP 19. Attenuator topology (hyph.)
20. A common battery cell size 22. Highest value in a list 23. Colby ___________, high-precision
programmable delay line (PDL) instruments maker in Bellevue, WA 27. Unit of weight 28. Modern battlefield
technique (abbr.) 29. Microwave products supplier in San Jose, CA 32. Things in a bill of material 36.
Chemical symbol for einsteinium
37. Electrical safety organization (abbr.)
39. Programmable logic device (abbr.) 41. Metric system (abbr.) 42. Amateur radio abbreviation for the
Oceania region (abbr.) 44. Japanese semiconductor & equipment manufacturer (abbr.)
45. Indication of quality of received message 46. Units of 1000 CPS 48. 1/000 of an amp (abbr.) 50.
Formerly HP Test & Measurement 51. Boob tube (abbr.) 53. 300 MHz to 3 GHz
55. Current summing point (pl.) 59. Logic family (abbr.) 60. Amplifier Solutions Corporation, located in
Colmar, PA (abbr.) 61. Cause the temperature to drop 63. Chemical symbol for copper 64. 1/60 of a
minute of angular measurement 66. Unit of current 67. Chemical symbol for strontium 71. Real estate
where equipment is located
73. Reflected radar or sonar signal 75. 10^1 numerical prefix 77. 30 kHz to 300 kHz
78. Method of self-detection and self-fixing transmission of digital data (abbr.) 82. Chemical symbol for
iron 83. PC follower 84. Chemical symbol for silicon 85. Chemical symbol for aluminum
See solution below
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