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.
2009 Engineering & Science Crossword Puzzles
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Reproduction of this puzzle without the express permission of RF Cafe is prohibited. | 
| ACROSS
1. At right angles to the horizontal
9. BlackBerry or Jordana for example (abbr.)
11. Largest broadcaster in the UK (abbr.)
12. Audio Frequency
13. A BPF spec
15. Sample group
18. Army-Navy specification, abbr.
20. Chemical symbol for tin
21. Opposite of I.D.
23. Z-____, VCO manufacturer in Sand Diego, CA
26. A common battery cell size
27. Burst of digital data
30. Global System for Mobile Communications (abbr.)
32. Forerunner to NASA
34. Peak Envelope Power (abbr.)
35. Join a male and a female connector
36. Move from cell to cell
38. Chemical symbol for beryllium oxide
40. Open-______ or closed-______ system
41. Mr. Kilby's first name
42. Unit of signal reflection, abbr.
43. Quantum electron property
45. Unit of admittance (pl.)
47. Electromagnetic compatibility (abbr.)
48. Technical drawing structure
51. Colorado Springs military school (abbr.)
52. Point placed on a scope or analyzer display for noting a specific value
54. Internet protocol (abbr.)
55. Erbium Doped Fiber Amplifier (abbr.)
57. Network department (abbr.)
58. 1/6 inch printer's measure; Electromagnetic
59. Chemical symbol for einsteinium
61. Direct Digital Synthesis (abbr.)
63. Home state of Los Alamos lab
65. Chemical symbol for arsenic
66. Peripheral Component Interface
69. Resistor vendor in Berne, IN
70. 18D + _____________ + Sciences, EM software vendor in Escondido, CA
| DOWN
2. Chemical symbol for rubidium
3. Chemical symbol for lead
4. Engineering Change Order (abbr.)
5. I/O interface connection (2 wds.)
6. Band between RF and BB
7. 30 kHz to 300 kHz
8. Type of current flow
9. Wrote software
10. Chemical symbol for aluminum
14. ________.__, antenna manufacturer in Margate, FL (1 wd. + 2 ltrs.)
16. Amateur radio abbreviation for the Oceania region
17. Unit of weight
18. _______ + 70A + Sciences, in Escondido, CA
19. 1e-6 mA
20. Adjust a pot
22. Digital Storage Oscilloscope (abbr.)
24. Point placed on a scope or analyzer display for noting a specific value (pl.)
25. Megacycles (abbr.)
28. Logic family
29. Greek letter
31. One axis of an ellipse
33. Horizontal Cartesian coordinate
37. Waveform limit definition
39. Modern battlefield technique (abbr.)
44. Power amplifier & antenna company in Ronkonkoma, NY (3-letter abbr.)
46. Amateur radio enthusiast
49. One component of a complex number (abbr.)
50. Solder paste vendor in Lincoln, RI
53. BS__ - the degree held by many RF Cafe visitors
56. Analog-to-Digital (abbr.)
60. Printer resolution measure (abbr.)
62. Chemical symbol for scandium
63. Chemical symbol for nobelium
64. Millimeter (abbr.)
65. PC follower
67. Chemical symbol for cobalt
68. One port of an amplifier |
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Answer below
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| 
Kirt
