February 7, 2010 Engineering & Science Crossword Puzzle

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

2010 Engineering & Science Crossword Puzzles

Take a break from the drudgery by trying 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.

- 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.

ACROSS 1. Chemical symbol for ruthenium 3. Cellphone band above DCS 5. Coupler, amplifier vendor in Cerritos, CA 7. _______ Computational Sciences (ACS) 10. Added a termination 14. 10^-9 numerical prefix 16. ___ Microwave, filter vendor, now owned by Spectrum Microwave 18. Attenuator topology (hyph.) 19. Innovative Power Products, Holbrook, NY (abbr.) 21. Pertaining to the moon 24. Chemical symbol for californium 26. Chemical symbol for silicon 27. End of transmission (abbr.) 29. Scheduling graph type 30. European equivalent to the U.L. 31. Amateur radio abbreviation for the Oceania region (abbr.) 34. Peak Envelope Power (abbr.) 36. 1E6 nanoseconds 37. The attractive and repulsive forces produced by electric charge in motion 41. Proportion of two numbers 44. Engineer who experimented with extremely high voltages 45. 3G_________, RF shield vendor in Concord, Ontario 47. Chemical symbol for copper 48. Display type 50. Chemical symbol for selenium 51. Chemical symbol for erbium 52. Used logic gates 55. Adjust a pot 57. Chemical symbol for rhodium 59. 10^1 numerical prefix 60. _____ International, wireless modules & products supplier in Fairfield, CT 62. Computer communication scheme (abbr.) 64. Material testing organization (abbr.) 65. Peripheral Component Interface (abbr.) 67. Graphics file types 70. It connects the software to the hardware 71. _______ Engineering, equipment enclosure manufacturer in the UK 73. Ham's code for "Shall I send more slowly?" 74. Engineering Change Order (abbr.) 75. Akin to an EE, CE, AE, etc.	DOWN 1. Angular speed unit 2. One type of electron spin 3. BlackBerry or Jordana for example (abbr.) 4. Rise over run, 1st derivative 5. Turn on a repeater by transmitting on its input freq (2 wds.) 6. Chemical symbol for mendelevium 8. Elementary particles 9. Last keyword in a BASIC subroutine (pl.) 11. Sound in the human hearing range (abbr.) 12. Type of high speed Internet service (abbr.) 13. Components 15. Chemical symbol for nickel 17. ECM response 20. Type of e-mail address system (abbr.) 22. Chemical symbol for neon 23. Cable covered by strong jacket 25. Highlighted capability of a product 28. Prefix meaning ground or earth 32. Wireless phone region 33. Global System for Mobile Communications (abbr.) 35. Programmable logic device type (abbr., pl.) 38. Electronics manufacturer with "meatball" logo 39. Total Access Communication System (abbr.) 40. Akin to EEs, CEs, AEs, etc. 42. Speaker for generating high frequencies 43. Galilean moon 46. Form of radiation first observed by the German physicist Roentgen 47. _____ Instruments, a programmable delay line manufacturer in Bellevue, WA 49. Keyboard key 53. Electromagnetic (abbr.) 54. Adds an impurity to a semiconductor 56. Structure of columns and rows 58. Type of cryptographic algorithm that takes a string and converts it to a numeric code 61. Special diode type that can be switched (abbr.) 63. Home state of Los Alamos lab (abbr.) 66. One port of an amplifier 68. Permeability-tuned oscillator (abbr.) 69. Color quality 70. __ Electronics, filter vendor in Avenel, NJ (also chemical symbol for krypton) 72. Surface mount (abbr.)

See solution below