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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

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 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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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RF Themed Crossword Puzzle
March 27th, 2022

Here is your custom made RF theme crossword puzzle for March 27th, 2022. R's and F's are prominent in this crossword. All RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. As always, this crossword contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Reginald Denny or the Tunguska event in Siberia). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!


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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Themed Crossword Puzzle Crossword Puzzle for March 27th, 2022 - RF Cafe

ACROSS DOWN
1. Aircraft tracking system
5. French mathematician who is recognized as the founder of number theory
10. Refused to absorb energy
16. ISDN BRI channel
17. Circuit element connecting PCB layers
18. BS__ - the degree held by many RF Cafe visitors
20. Applies a lubricant
21. Unit of inductance (abbr.)
23. PC follower
25. Nordic Mobile Telephone
26. Unit of length (abbr.)
28. Network file transfer protocol (abbr.)
29. ampere-hour (abbr.)
30. Angular distance between one event and another in a regularly recurring cycle
33. Unit of admittance
34. Software engineering tool (abbr.)
36. Temperature-compensated crystal oscillator
37. Plural of locus
38. Greek letter
39. Device for matching antenna impedance to transmitter impedance
41. Rádio Nacional de Angola (abbr.)
43. Peak envelope power (abbr.)
44. Chemical symbol for tantalum
45. Electro-mechanical switching device
47. Opposition to the flow of an electrical current
50. Chemical symbol for scandium
53. Type of flip flop
54. 90 degrees (2 wds.)
59. Summed
62. One type of electron spin
64. High Data Rate
65. Ham's code for "Station is leaving the net."
66. Engineering Change Notice (abbr.)
67. Mars has two of these
70. Electronics Industry Association (abbr.)
71. Unit of frequency (archaic, abbr.)
73. Miniature threaded RF connector (pl.)
75. Semiconductor lamp
76. Voice-operated transmit (abbr.)
77. Part of an optical cable bundle
78. Chemical symbol for neon
79. U.K. equivalent of the IEEE
81. Electromagnetic (abbr.)
83. Logic family
84. Chemical symbol for magnesium
85. Unit of time (abbr.)
88. Solid of rotation whose sides are the hypotenuse of a right triangle
90. European equivalent to the U.L.
91. Chemical element abbreviated Sn
93. Adds two or more inputs
95. Digital signal measurement of transition from 90% to 10% of pk-pk value (2 wds., pl.)
96. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
97. Physical unit used to measure capacitance
1. Radio Direction Finding (abbr.)
2. Ham abbreviation for "distant station"
3. Change connector type
4. Readability, Signal, and Tone (QoS report type)
6. 1.602E-19 Joules
7. Like the inband portion of a Chebyshev filter
8. 1/000 of an amp (abbr.)
9. _______ strength - measure of resistance from breaking
11. A Ham contest to locate a hidden transmitter (2 wds.)
12. Chemical symbol for lithium
13. 30 Hz to 300 Hz
14. Chemical symbol for cesium
15. Decimeter (abbr.)
19. Using Earth's natural satellite as a passive reflector to establish a signal path (abbr.)
22. 3 MHz to 30 MHz
24. Greek letter
26. ELI the ICE ___
27. Swap ____, a Ham's flea market
29. Asynchronous Communication Interface Adapter (abbr.)
31. Communication between stations by reflecting the radio waves off of the ionosphere
32. Type of current flow (abbr.)
33. 1/000 of an amp (abbr.)
34. Chemical symbol for copper
35. The portion of a cone which remains when its upper part has been cut off by a plane parallel to its base
38. Television Interference (abbr.)
39. Tweaked a filter for the correct response
40. A temperature scale
42. Chemical symbol for argon
46. _____ + Microwave, waveguide products vendor in West Palm Beach, FL
48. Chemical symbol for antimony
49. Chemical symbol for tin
51. The base of a number system
52. Chemical symbol for silver
55. A statement that has been proven on the basis of previously established statements
56. Gun safety and education organization (abbr.)
57. Diode circuit to restrain voltage input
58. The property of matter by which it continues in its state of rest or uniform motion in a straight line, unless acted upon by an external force
60. Weatherproof cover for a radar antenna
61. Morse Code for "from"
63. Compliment to a zero in a polynomial
68. Original Equipment Manufacturer (abbr.)
69. Chemical symbol for neodymium
72. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)
73. Signal-to-noise ratio (abbr.)
74. Greek letter, used to indicate summation
77. U.S. Spectrum allocation agency
80. Chemical symbol for europium
82. Having power applied (slang)
84. Maximum Usable Frequency
86. Electronic component package type (abbr.)
87. Band between RF and BB
88. Chemical symbol for chlorine
89. Chemical symbol for nickel
91. Coefficient of temperature (abbr.)
92. A measure of receiver quality (abbr.)
94. Chemical symbol for strontium

See solution below

 

2022 Crosswords Archive

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.

2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku

December 25

December 18

December 11

December 4

November 27

November 20

November 13

November 6

October 30

October 23

October 16

October 9

October 2

September 25

September 18

September 11

September 4

 

August 28

August 21

August 14

August 7

July 31

July 24

July 17

July 10

July 3

June 26

June 19

June 12

June 5

May 29

May 22

May 15

May 8

May 1

 

April 24

April 17

April 10

April 3

March 27

March 20

March 13

March 6

February 27

February 20

February 13

February 6

January 30

January 23

January 16

January 9

January 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Themed Crossword Puzzle Crossword Puzzle Solution for March 27th, 2022 - RF Cafe

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