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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
    Kirt Blattenberger,


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 World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Radio & Radar Crossword Puzzle
September 21, 2014

Visit the Crossword Express website - RF CafeTake 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.

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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
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June 1
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May 11
May 4
April 27
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April 6

March 30
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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.

Radio and Radar Crossword Puzzle for September 21, 2014 - RF Cafe

2. The great circle equidistant from the poles
6. Opposite of transmit
11. Unit of resistance
13. Radio frequency interference (abbr.)
14. Part of this website's title
15. Lines extending out from center
19. Chemical symbol for scandium
20. Type of digital filter (abbr.)
23. Unit of heat
24. Stock symbol for Advanced Micro Devices
26. Peripheral Component Interface (abbr.)
28. Vacuum tube with five elements (not including the heater, pl.)
30. Notch type filter (abbr.)
33. Course headings
35. Government program to bring electricity to farms (abbr.)
36. Bipolar Field-Effect Transistor
38. Spurious RF products created by metal joints (abbr.)
39. Term used in soldering to describe the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
40. Type of programmable device (abbr.)
41. The cell band above DCN
42. Cooling device
44. Electromagnetic interference (abbr.)
46. A common RS-232 serial bus command (abbr.)
48. Airflow rate (abbr.)
49. High-speed logic family
50. Stock symbol for National Instruments
52. Front edge of a wing (abbr.)
54. Chemical symbol for praseodymium
55. Measure of source/load match
57. FCC Part 15 rules apply in this band (abbr.)
58. High Data Rate
59. The "brains" of parallel processing computers
60. Type of current
62. Chemical symbol for cobalt
63. Increase voltage linearly
65. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
66. Add two or more inputs
68. Type of memory
69. Type of logic gate
70. International Telecommunications Union
71. Electrical overstress (abbr.)
72. Loose end of a cable
74. Volt, meter, pint, pound, eg.
75. Semiconductor lamp
78. Moves from cell to cell
81. Precision approach radar (abbr.)
83. Part of HEMT
87. Below ELF
88. Plane curve traced out by a point which moves so that its distance from a fixed line is equal to its distance from a fixed point
91. 1/000 of an inch
92. Readability, Signal, and Tone (QoS report type)
94. Software drafting tool (abbr.)
95. Modulation technique (abbr.)
96. 1e3 uV
98. Measured
100. Multifunctional silicon devices (abbr.)
101. End of Life (abbr.)
103. Engineering Change Order (abbr.)
104. Between-series connector
105. The "E" in ELF
1. Negatively charged antiparticle of a proton
3. Newly announced name of RFMD and TriQuint merger
4. 300 MHz to 3 GHz
5. Modulation type (abbr.)
7. Chemical symbol for erbium
8. Bands between RF and baseband
9. Power supply vendor in Andover, MA
10. Constellation : The lesser dog (2 wds.)
12. Semiconductor and calculator company (abbr.)
15. A common RS-232 serial bus command (abbr.)
16. Chemical symbol for gold
17. Chemical symbol for lanthanum
18. Miniature RF connector
21. U.K. equivalent of the IEEE
22. Rádio Nacional de Angola (abbr.)
23. Chemical symbol for beryllium
25. Morse Code for "from"
26. Silicon transistor type
27. Common gateway interface (abbr.)
29. Device for translating higher frequencies to lower frequencies
30. Chemical symbol for bismuth
31. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
32. Chemical symbol for iron
34. Device used to measure change in velocity
36. Filter type that blocks frequencies in a specified band (abbr.)
37. Test point (abbr.)
41. French mathematician Siméon-Denis _______
42. A BPF specification (abbr.)
43. Home state of Los Alamos lab (abbr.)
45. Changes from a "1" to a "0"
47. _____ rule, a 1950s engineer's tool
49. The "E" in BER
51. Unit of current
53. A keyboard key
54. Personal Digital Cellular
56. Unit of typing speed (abbr.)
59. Angle in a right triangle which, when added to the other acute angle, equals 90 degrees
61. Type of inductance found in transformers
64. Wrote software
66. Chemical symbol for silicon
67. Greek letter (micro)
73. Chemical symbol for lawrencium
74. Unit of time (abbr.)
76. Voltage-current phase mnemonic
77. Keyboard key
79. Unix, Linux or Windows (abbr.)
80. 300 kHz to 3 MHz
81. Type of e-mail address system (abbr.)
82. Circuit for maintaining constant voltage (abbr.)
84. Determined temporal distance between events
85. Type of logic gate
86. Stock symbol for National Semiconductor
88. Attenuator
89. Analog-to-Digital (abbr.)
90. Provider of services for telecommunications systems in Switzerland
93. Test equipment (abbr.)
94. European equivalent to the U.L.
97. Voice of America
99. Chemical symbol for einsteinium
100. Current-voltage phase mnemonic
102. Filter type that blocks upper frequencies (abbr.)
103. Chemical symbol for erbium

See solution below


















Radio and Radar Crossword Puzzle Solution for September 21, 2014 - RF Cafe

Berkeley Nucleonics Academy RF Boot Camp - RF Cafe

RF Cascade Workbook 2018 by RF Cafe

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