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1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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RF Filter Crossword Puzzle
October 12, 2014

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.
2014 Crosswords Archive
| 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 |
December 28
December 21
December 14
December 7
November 30
November 23
November 16
November 9
November 2
October 26
October 19
October 12
October 5

September 28
September 21
September 14
September 7
August 31
August 24
August 17
August 10
August 3
July 27
July 20
July 13
July 6
June 29
June 22
June 15
June 8
June 1
May 25
May 18
May 11
May 4
April 27
April 20
April 13
April 6
March 30
March 23
March 16
March 9
March 2
February 23
February 16
February 9
February 2
January 26
January 19
January 12
January 5

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Filter Crossword Puzzle for Octber 12, 2014 - RF Cafe

ACROSS DOWN
1. Illumination devices
5. Equiripple filter type (pl.)
11. _____ conductor
15. Innovative Power Products, Holbrook, NY (abbr.)
16. Chemical symbol for bromine
17. Permeability-tuned oscillator (abbr.)
18. Boob tube (abbr.)
20. Frequency division multiple access (abbr.)
22. Chemical symbol for erbium
24. Chemical symbol for californium
25. Application Specific Integrated Circuit (abbr.)
27. Opposite of a LO
28. Transformer interwinding connection
30. Unit of weight
31. Compliment to a pole in a filter transfer function
34. Negation prefix
35. Metric system (abbr.)
36. Sound frequency in the human hearing range (abbr.)
37. Time Division Multiple Access
39. Greek letter (micro)
40. Amateur Radio Direction Finding (abbr.)
41. Chemical symbol for lanthanum
42. Chemical symbol for nobelium
43. Chemical symbol for xenon
45. Chemical symbol for copper
46. Test point (abbr.)
48. Chemical symbol for argon
49. Infrared (abbr.)
50. Chemical symbol for aluminum
51. Weight (abbr.)
52. Chemical symbol for europium
53. Unit of resistance (pl.)
55. Network department (abbr.)
57. Time Division Multiple Access
59. Infrared (abbr.)
60. Positive voltage lead color
62. Voltage-current phase mnemonic
63. Compliment to a zero in a filter polynomial
65. Unit of energy
67. "Texting" (abbr.)
69. Boob tube (abbr.)
70. Move in a raster pattern
71. Type of logic gate
72. Chemical symbol for tin
74. Short for terminal
76. Opposite of a LO
77. Science of assuring operation amid dense EM background noise (abbr.)
78. Bandwidth (abbr.)
80. FCC Part 15 rules apply in this band (abbr.)
82. The gaseous state of water
83. Filter type also known as 'Cauer'
84. Basic PN junction component
1. Maximally flat filter type (pl.)
2. Chemical symbol for lithium
3. Filter type (abbr.)
4. Switch configuration (abbr.)
5. 4 GHz to 8 GHz
6. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
7. Chemical symbol for ytterbium
8. Chemical symbol for strontium
9. Electromotive force (abbr.)
10. 2 GHz to 4 GHz
11. Quantum electron property
12. Coordinated Universal Time (abbr.)
13. Chemical symbol for polonium
14. Filter type with equiripple in passband and stopband
19. Unit of apparent power (abbr.)
21. Cell phone (sold to Google) and IC manufacturer
23. Return-to-Zero (abbr.)
24. Chemical symbol for cobalt
26. Product offering type of Applied Wave Research (AWR), Applied Computer Sciences (ACS), Guided Wave Technology, Sunshine Design, etc.
27. Chemical symbol for mercury
29. Met all test requirements
32. 1/6 inch printer's measure
33. Chemical symbol for ruthenium
35. Filter type with high rate of out-of-band attenuation (aka 'elliptic') (pl.)
38. x, y, or z on Cartesian coordinates
40. Automated universal inductance tester - watch that 3rd letter, (abbr.)
42. 1e-6 mA
44. Chemical symbol for erbium
45. Chemical symbol for calcium
47. Chemical symbol for platinum
54. Device for allowing two surfaces to rotate wrt each other
55. Galilean moon
56. Chemical symbol for thallium
58. Steel, brass, aluminum, etc.
61. 1.602E-19 Joules
62. ECM response
63. Chemical symbol for praseodymium
64. Chemical symbol for einsteinium
66. Vacuum tube element
68. Unit of inductance (abbr.)
70. Miniature threaded RF connector
71. Lubricant
73. Negative temperature coefficient (abbr.)
75. Degree of IC sophistication (abbr.)
77. BS__ - the degree held by many RF Cafe visitors
78. Filter type that blocks frequencies below and above a specified band (abbr.)
79. Weight (abbr.)
81. Chemical symbol for molybdenum

Answer below

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Filter Crossword Puzzle Solution for Octber 12, 2014 - RF Cafe