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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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Microwaves Themed Crossword Puzzle
April 17th, 2022

Here is your custom made Technology-themed crossword puzzle for April 17th, 2022. 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

Technology Theme Crossword Puzzle for April 17th, 2022 - RF Cafe

ACROSS DOWN
1. Wire diameter unit (abbr.)
4. Non-reciprocal 3-port device
12. Relative power level unit (abbr.)
15. A common battery cell size
16. Automatic Testing, Evaluation & Reporting (abbr.)
17. Time Division Multiple Access
18. 30 Hz to 300 Hz
19. Retained a charge
20. Chemical symbol for bismuth
22. Adjust the specification for temperature
23. Chemical symbol for chromium
24. Decimeter (abbr.)
25. Award offered by ARRL for contacting and confirming 100 or more different countries (abbr.)
27. Electronics manufacturer with "meatball" logo
28. BS__ - the degree held by many RF Cafe visitors
29. Powers pneumatic devices
31. Half of DSB
33. Government program to bring electricity to farms (abbr.)
35. Display type
36. One who DXs
38. Basic oscillator configuration that incorporates a crystal
41. Join a male and a female connector
42. Digital intelligence
44. Mate to an RX
45. Alternative name for Pi Meson
47. The computer in 2001: A Space Odyssey
48. Gigantic star in Cetus
49. Vacuum tube element
50. Ham's code for "Shall I decrease power?"
51. Quadrature Phase Shift Keying (abbr.)
52. Electrical safety organization (abbr.)
54. Used logic gates
56. Automatic Packet Position Reporting System (abbr.)
58. Electrically Alterable Read Only Memory
61. Military Auxiliary Radio System
63. Line of Sight (abbr.)
64. Personal Digital Cellular
65. Country of RF Cafe's residency
67. Semiconductor On Insulator (abbr.)
68. Ham-ese for Young Lady
69. Chemical symbol for lithium
70. Mr. Blattenberger of RF Cafe
73. Chemical symbol for lithium
75. Filter type that blocks frequencies in a specified band (abbr.)
76. Insulating cover over a solder joint
78. Front edge of a wing (abbr.)
79. Color code for the number 7
80. Singulated piece of IC wafer
81. Weatherproof cover for a radar antenna
83. One bit of a real number
84. Unit of length equal to 5.5 yards
86. IC killer (abbr.)
87. SI unit of solid angle (pl.)
88. Ham abbreviation for transceiver
1. 1/000 of an amp (abbr.)
2. Mathematical calculation of RF component chain (2 wds.)
3. A rectangular array of numbers in rows and columns that is treated as a single entity and manipulated according to particular rules
4. Plug-in for computer bus
5. Things in a bill of material
6. Positive voltage lead color
7. Chemical symbol for chromium
8. PC follower
9. Time division duplex (abbr.)
10. Greek letter used for resistance
11. ____ earth elements
12. Recover the modulation from the RF signal
13. Large-value passive component connected across the filter capacitor in a power supply to discharge the circuit when the supply is turned off (2 wds.)
14. Chemical symbol for californium
20. Armored cable type
21. Multifunctional silicon devices (abbr.)
25. Antenna gain unit (abbr.)
26. Error checking scheme (abbr.)
30. Positive voltage lead color
32. Created an electric coronal discharge
34. Type of reconfigurable memory (abbr., pl.)
35. Computer communication scheme (abbr.)
37. Increases voltage linearly
39. Radio signals from the cosmos (abbr.)
40. Mate to a TX
41. Short for modulator/demodulator
43. Service of the ARRL that helps hams solve technical problems (abbr.)
46. Type of digital filter (abbr.)
51. Ham's code for "Shall I send more slowly?"
52. One type of electron spin
53. Chemical symbol for lawrencium
55. 10E1 numerical prefix (pl.)
57. Queried an input for changes
59. Abbreviation for acknowledge (also a common word used by Bill the Cat)
60. One port of an amplifier
62. First name of Mr. Watson-Watt and Mr. Goddard
64. Point of rotation
66. Adjust or tune a circuit
69. Semiconductor lamps
71. S12 or S21 (abbr.)
72. One component of a complex number (abbr.)
74. Charged particles
77. Using Earth's natural satellite as a passive reflector to establish a signal path (abbr.)
79. Circuit element connecting PCB layers
80. Morse Code for "from"
82. Chemical symbol for erbium
83. Chemical symbol for silicon
85. Ham abbreviation for "distant station"

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.

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Technology Theme Crossword Solution for April 17th, 2022 - RF Cafe

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