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Engineering & Science Crossword Puzzle
October 24, 2010

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

- 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.

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1. Inventor of the high voltage generator that powers the Jacob's Ladder (2 wds.)
11. Ham's code for "You are excused from the net."
12. Centimeter (abbr.)
13. Mate to an RX
14. Archaic Japanese unit of length equal to 30.3 mm
16. Logic family
18. Attenuator topology (pl.)
20. Opposite of a source
22. Chemical symbol for aluminum
24. Chemical symbol for arsenic
26. Automated Test Equipment (abbr.)
28. Chemical symbol for strontium
29. Coefficient of temperature (abbr.)
30. One type of electron spin
32. Direct Memory Access (abbr.)
34. Filter type (abbr.)
36. Electronic Variable Optical Attenuator (abbr.)
38. Semiconductor On Insulator (abbr.)
39. A BPF specification (abbr.)
40. Greek letter used for coefficient of reflection
43. Electromagnetic (abbr.)
45. Last statement in a BASIC program
46. Oscillator type that is referenced to an external source (abbr., pl.)
48. Compound used as the frequency determining element in microwave oscillators
49. Gun safety and education organization (abbr.)
51. Cooling devices
53. Chemical symbol for holmium
54. Logic family (abbr.)
55. ___, manufacturer of custom RF & microwave filters, Overland Park, KS (abbr.)
56. Unit of length (abbr.)
57. Russian space probes which visited Halley's comet
59. Original Equipment Manufacturer (abbr.)
61. Digital transmission figure of merit (abbr.)
62. Mr. Dirac's first name
64. Lubricant
65. Chemical symbol for mendelevium
67. Narrowband Advanced Mobile Phone System (abbr.)
69. Local Oscillator (abbr.)
70. Type of memory
72. Increase voltage linearly
74. Transmit Incremental Tuning (abbr.)
76. Special diode type that can be switched (abbr.)
78. 10^-12 numerical prefix
79. Network department (abbr.)
80. Analog-to-Digital (abbr.)
82. Applied Computational Sciences, RF simulator company in Escondido, CA (abbr.)
84. Chemical symbol for cadmium
85. Galilean moon
86. Cellular Digital Packet Data
88. Change connector type
89. Total Access Communication System (abbr.)
91. Gallium nitride chemical symbol
93. Collection of electronic records (abbr.)
94. Sound frequency in the human hearing range (abbr.)
95. Lowest power level capable of being demodulated (abbr.)
97. Highest frequency at which a vertically incident radio wave will return from the ionosphere (2 wds.)

1. Chemical symbol for radon
2. Optical cross-connect (abbr.)
3. Official engineering change document (abbr., pl.)
4. Common average used for sinewaves (abbr.)
5. Advanced Research Projects Agency (abbr.)
6. RF ____, RF/microwave consulting company in Rochester, NY
7. A common RS-232 serial bus command (abbr.)
8. x, y, or z on Cartesian coordinates
9. Modem encoding method (abbr.)
10. Upper frequency (abbr.)
11. Type of antenna with four-sided loops (pl.)
15. Rechargeable battery type (abbr.)
17. ELI the ICE ___
19. Basic element
21. The design component of total product cost (abbr.)
23. Open-______ or closed-______ system
25. Type of modulation (abbr.)
27. Internet protocol (abbr.)
29. Unit of weight (pl.)
31. Mr. Röntgen's first name
32. Type of current
33. Formerly HP Test & Measurement
34. Grouping of wires or cables
35. Chemical symbol for iron
37. Kind of tube containing a constriction that is used to measure the rate of flow of a fluid
39. Start frequency (abbr.)
41. Chemical symbol for silver
42. Chemical symbol for manganese
44. 300 kHz to 3 MHz
47. Numerical basis for decibels (abbr.)
48. Elemental compound used for microwave frequency reference oscillators (abbr.)
50. Powers pneumatic devices
52. Colorado Springs military school (abbr.)
57. Circuit element connecting PCB layers (pl.)
58. Modulation type (abbr.)
60. 1/000 of an amp (abbr.)
61. Filter type that blocks frequencies below and above a specified band (abbr.)
62. Chemical symbol for polonium
63. Plural of locus
64. Using a logical connection scheme for redundant power supplies
66. Ham abbreviation for "distant station"
68. ____ Electronics - RF/microwave components manufacturer in Denville, NJ
69. Chemical symbol for lawrencium
71. Mars has two of these
73. Attenuator
75. Network department (abbr.)
77. European equivalent to the U.L.
78. Personal Digital Cellular
81. Switch configuration (abbr.)
82. Asynchronous Digital Subscriber Line (abbr.)
83. Longitudinal shape-forming structural element
84. RF ____, the world's best engineering website
86. Carrier-to-noise ratio (abbr.)
87. Antenna gain unit (abbr.)
89. Greek letter
90. Miniature RF connector
92. Type of current flow (abbr.)
96. Chemical symbol for dysprosium

Answer below


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