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RF & Microwave Theme Crossword Puzzle
December 5, 2021

This RF & Microwave themed crossword puzzle for December 5th contains only clues and words are directly to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other science 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 & Microwave Theme Crossword Puzzle for December 5th, 2021 - RF Cafe

2. Geometrical figure defined as a curve in which every point is equidistant from a fixed point
5. Type of component - not variable
8. Summers
13. Computer communication scheme (abbr.)
15. Chemical symbol for molybdenum
16. Ham's code for "Entire net stand by."
18. Notch type filter (abbr.)
21. Multifunctional silicon devices (abbr.)
22. Silicon transistor type (abbr.)
24. Unit of time (abbr.)
25. Chemical symbol for einsteinium
27. General Mobile Radio Service (abbr.)
29. Electronic component package type (abbr.)
31. Fail-____ switch
33. A measure of receiver quality (abbr.)
35. Upper frequency (abbr.)
36. 10E1 numerical prefix
38. Galilean moon
39. Stock
41. Type of matrix barcode used with laser scanning(abbr.)
42. Circuit path with very high or infinite impedance
44. Official Space Shuttle designation (abbr.)
45. Schematic label for voltage supply node
46. Describes the action of cleaving a crystal plane
47. Agilent's (now Keysight) EE design software (abbr.)
48. Software layer that allows a system to be programmed via a defined set of commands (abbr.)
49. Type of logic gate (pl.)
50. Type of programmable device (abbr.)
53. __ + 28 Down is the theme of this week's RF Cafe crossword puzzle
55. Electromagnetic interference (abbr.)
56. Decimeter (abbr.)
57. Set of poles
60. Chemical symbol for chromium
61. What number is defined as a one followed by 100 noughts
62. The "N" in SNR (pl.)
63. Unit of length (abbr.)
64. Type of data conversion device (abbr., pl.)
66. Unit of magnetic flux(abbr.)
67. The "L" in VLF
68. Chemical symbol for praseodymium
69. Type of current
71. Type of logic gate
72. Very large unit of apparent power (abbr.)
73. Ground fault interrupter (abbr.)
75. Input intercept point (abbr.)
77. Type of data conversion device (abbr.)
78. Ham abbreviation for transceiver
80. Charged particles
83. Abbreviation for minimum voltage
85. Network configuration type (pl.)
87. Unit of length (abbr.)
88. High power density battery chemistry (abbr.)
91. Morse Code for "from"
93. Chemical symbol for antimony
94. Equipment
96. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
97. A compiler directive
99. Chemical symbol for lithium
100. 1/000 of an amp (abbr.)
101. Electromotive force (abbr.)
103. One type of electron spin
104. Color quality
106. Form of digital phase modulation in which the phase of the RF signal depends on the modulating code (abbr.)
107. Unit of frequency (archaic, abbr.)
109. Hub of the solar system
110. A final surface coating
111. Nikola _____
112. Type of Morse Code key
1. Color code for the number 6 (pl.)
2. Cyanide (abbr.)
3. Centimeter (abbr.)
4. Numerical basis for decibels (abbr.)
5. Chemical symbol for iron
6. Transformer, abbr.
7. Logarithmic ratio (abbr.)
9. Singulated piece of IC wafer
10. Type of current
11. Chemical symbol for tin
12. Balun with both ports unbalanced (pl.)
14. Chemical symbol for arsenic
16. Ham's code for "Shall I increase power?"
17. Unit of time (abbr.)
19. Type of flip-flop
20. List of answers to commonly desired information about a product or service (abbr.)
23. Unit of capacitance (abbr.)
25. BS__ - the degree held by many RF Cafe visitors
26. Chemical symbol for scandium
28. 53 Across + _________ is the theme of this week's RF Cafe crossword puzzle
29. Orbiting communications platform
30. Conductor used to bleed charge from a high voltage supply bank
32. Frequency at which an imaging device produces unique consecutive images (2 wds.)
33. Chemical symbol for neptunium
34. Chemical symbol for iron
36. Digital Signal Processor (abbr.)
37. A feedback scheme to level out the receiver audio volume (abbr.)
39. Chemical symbol for copper
40. Yard (abbr.)
42. Output intercept point (abbr.)
43. Type of logic gate
51. Display type
52. Error checking scheme (abbr.)
54. Wireless transmitting device that opens a car door remotely
56. Digital Signal Processor (abbr.)
58. Stock symbol for Advanced Micro Devices
59. Intermodulation distortion (abbr.)
64. Ticker symbol for Analog Devices
65. "Texting" (abbr.)
69. High-speed logic family
70. Elemental compound used for microwave frequency reference oscillators (abbr.)
71. Summer
74. Start frequency (abbr.)
76. Network department (abbr.)
79. 8 GHz to 12.5 GHz
81. Unix, Linux or Windows (abbr.)
82. Chemical symbol for niobium
84. milliampere-hour (abbr.)
86. Volts divided by resistance
87. Modem encoding method (abbr.)
89. S12 or S21 (abbr.)
90. Ratio of circumference to diameter
92. Electromagnetic (abbr.)
94. World's first satellite navigation system (abbr.)
95. Chemical symbol for ruthenium
97. Unit of time (abbr.)
98. Miniature threaded RF connector
100. Greek letter (micro)
102. Small unit of capacitance (abbr.)
103. Schema for computer or device presentation to the operator (abbr.)
105. Radio signals from the cosmos (abbr.)
106. Last stage in a transmitter (abbr.)
108. Chemical symbol for cadmium
109. Chemical symbol for selenium

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

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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