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

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Radio Theme Crossword Puzzle
June 13, 2021

This Radio Theme Crossword Puzzle for June 13 has many words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. Also, it contains at least five (5) instances of this puzzle's theme word. 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

Radio Theme Crossword Puzzle for June 13, 2021 - RF Cafe

ACROSS DOWN
1. Mr. Biot's first and second name
8. Satellite TV system
9. Switch position
10. Chemical symbol for chromium
11. Chemical symbol for erbium
13. Unit of length (abbr.)
14. Greek letter
15. Internet protocol (abbr.)
16. Chemical symbol for iron
18. A BPF specification (abbr.)
20. BlackBerry or Palm for example (abbr.)
22. Surface Mount Technology
24. Wavelength division multiplexing (abbr.)
25. Galilean moon
26. Decibels above or below a dipole antenna (abbr.)
27. Chemical symbol for tantalum
28. The "R" in RF
30. Unit of time (abbr.)
32. Circuit element connecting PCB layers (pl.)
34. Precision approach radar (abbr.)
35. Heat sink feature
37. Unix, Linux or Windows (abbr.)
38. A common battery cell size
39. The point that is the same distance from every point on the circumference of a circle (Brit.)
43. 1.602E-19 Joules
45. This crossword puzzles main theme
48. Test equipment (abbr.)
49. Chemical symbol for tin
50. Chemical symbol for cesium
52. Multifunctional silicon devices (abbr.)
54. PCB metal area where component leads attach (pl.)
56. Chemical symbol for thallium
58. Diac that can be turned back off (pl.)
61. Chemical symbol for platinum
62. Type of logic gate
64. Ticker symbol for Analog Devices
66. Stock symbol for Lockheed Martin
68. Move in a raster pattern
70. Chemical symbol for cobalt
71. AM and FM _____
74. One type of electron spin
75. Direct Memory Access (abbr.)
77. Chemical symbol for europium
79. Half of a DIP
80. Type of chart
81. International Telecommunications Union
82. Chemical symbol for rhodium
83. European equivalent to the U.L.
84. Chemical symbol for antimony
85. Engineering Change Order (abbr.)
86. Electrical safety organization (abbr.)
87. Small unit of capacitance (abbr.)
89. Intermodulation (abbr.)
90. Type of current flow (abbr.)
91. Type of distribution, squared
93. Physicist after whom a law describing the direction of EMF and current resulting from induction is named (2 wds.)
1. JavaScript (abbr.)
2. Chemical symbol for einsteinium
3. Step-up type voltage regulator (pl.)
4. Army-Navy specification prefix
5. ___/IP scheme for networked connectivity
6. Infrared (abbr.)
7. BS__ - the degree held by many RF Cafe visitors
8. Decimeter (abbr.)
12. Radio frequency interference (abbr.)
13. Maker of components
14. Communication type that method makes use of electromagnetic waves
15. Network department (abbr.)
16. Frequency Division Duplex
17. Electromagnetic interference (abbr.)
19. Electrical current standard where positive charges flow toward negative potential
20. Chemical symbol for palladium
21. Logarithmic unit of voltage (abbr.)
23. 1/000 of an amp (abbr.)
24. World Amateur Radio Conference
28. Chemical symbol for radium
29. One port of an amplifier
31. Chemical symbol for silicon
33. Airport Surveillance Radar (abbr.)
34. Display a radar target
36. Chemical symbol for neon
38. Change connector type
40. Radio signals from the cosmos (abbr.)
41. On-the-air meeting of hams at a set time, day and radio frequency
42. Type of flip-flop
44. Circuit element connecting PCB layers
46. Chemical symbol for aluminum
47. Opposite of I.D.
51. Chemical symbol for strontium
53. Unit of volume (abbr.)
55. System On Chip
57. Chemical symbol for lanthanum
59. Type of digital filter (abbr.)
60. Describes when a synchronous motor loses phase lock
63. The "R" in RFI
65. Type of current
67. Chemical symbol for molybdenum
68. Verbal communications
69. Nordic Mobile Telephone
72. File name extension for an ASCII file
73. Singulated piece of IC wafer
74. Schema for computer or device presentation to the operator (abbr.)
76. Chemical symbol for gold
78. 300 MHz to 3 GHz
80. Chemical symbol for lead
84. Specialized mobile radio (abbr.)
86. Schema for computer or device presentation to the operator (abbr.)
88. Unit of inductance (abbr.)
89. One port of an amplifier
90. Type of current flow (abbr.)
91. Cyanide (abbr.)
92. CPS

See solution below

 

2021 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.

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November 21

November 14

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Radio Theme Crossword Solution for June 13, 2021 - RF Cafe

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