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This week's crossword puzzle for July 30th sports an electronics theme. This
being the 30th day of the month, many of the words begin and/or end with the letter
"D." Since there are only 26 letters in the alphabet, I use the modulo function
to derive the letter to use; i.e.,
30 mod 26 = 4. Clues
for words containing "D" are marked with an asterisk (*). 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,
Hedy Lamarr, 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
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1. Battery type designed for repeated charge-discharge cycles to 20% of remaining
capacity (2 wds. hyph.)*
2. Chemical symbol for einsteinium
3. Amateur radio
abbreviation for the Oceania region (abbr.)
4. Add two or more inputs
5. Radio
frequency interference (abbr.)
6. Band between RF and BB
7. Chemical symbol
for erbium
8. PhD*
12. 2/3 of a triac*
13. Common mode ripple rejection
(abbr.)
14. Constellation : The southern cross
15. The "W" in AWG
17. Chemical
symbol for rhodium
18. Radio signals from the cosmos (abbr.)
19. Form/fit/function
replacement*
20. Transfer a signal by EM interaction
21. Logarithmic ratio
(abbr.)*
22. Chemical symbol for francium
27. Opposite of a LO
28. One
component of a complex number (abbr.)
31. Form a resistor lead*
32. Trigger
diode that conducts current only after its breakdown voltage has been exceeded momentarily
(pl.)*
33. The "R" in DRC in substrate layout
34. Connector vendor, now owned
by FCI in St. Louis, Missouri
41. Small motored tool for model drilling, grinding,
shaping, etc. (pl.)*
43. Logical negation operator
44. Agilent's (now Keysight)
EE design software (abbr.)*
45. The core of an atom
48. Precision approach
radar (abbr.)
50. Radio Direction Finding (abbr.)*
51. Using Earth's natural
satellite as a passive reflector to establish a signal path (abbr.)
52. Printed
Wiring Board (abbr.)
56. Added an impurity to a semiconductor*
57. Voltage-current
phase mnemonic
58. A gaseous process that deposits insulating films or metal
onto a wafer at elevated temperature (abbr.)*
59. Determines proper functionality
60. Adjacent Channel Power Ratio (abbr.)
62. Miniature RF connector (pl.)
63. State _______ - A type of drawing used in computer science and related fields
to describe the behavior of systems, past tense*
65. Control and monitoring board
(pl.)
66. Referring to atoms
68. In Geometry, what is a fixed line used in
formulating the definition of a curve or surface*
76. Amateur radio abbreviation
for the Oceania region (abbr.)
77. Part of this website's title
79. Dual Tone
Multi-Frequency*
80. He, along with Mr. Savart, developed a law that describes
a magnetic field generated by an electric current
82. Software storage unit
83. Adjust
85. Chemical symbol for argon
86. Type of logic gate
88. Morse
Code for "from"*
89. Army-Navy specification prefix
94. The system than converts
common website names to IP addresses (abbr.)*
95. Manufacturer of project boxes*
98. Type of matrix barcode used with laser scanning(abbr.)
99. One port of an
amplifier
100. Greek letter (micro)
101. Chemical symbol for xenon
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1. Smaller moon of Mars*
5. Describes some waveguides that use a longitudinal
protrusion to increase operational bandwidth*
9. Chemical symbol for einsteinium
10. Lowest operational frequency of a waveguide
11. Read-only (abbr.)
12.
Type of current*
14. Pure carrier (abbr.)
16. What kind of a number is divisible
only by itself and 1
19. Type of current*
21. Change from the initial value
due to instability*
23. Graph
24. Read-only (abbr.)
25. International QSL
forwarding bureau
26. Chemical symbol for chromium
27. Unit of time
29.
Chemical symbol for xenon
30. Unlicensed FCC Part 95 realm for personal and business
radio use (abbr.)
32. Slang for Ursa Major*
34. Stock symbol for Boeing
35. Front edge of a wing (abbr.)
36. Chemical symbol for bismuth
37. S12 or
S21 (abbr.)
38. One type of electron spin
39. Radio signals from the cosmos
(abbr.)
40. Last statement in a BASIC program*
42. Soften metal
45. The
design component of total product cost (abbr.)
46. Constellation : The dragon*
47. Troubleshooting software*
49. Subject a circuit to extreme operation
53.
Branch of the armed forces
54. Decimeter (abbr.)*
55. Imperfection in a crystal
lattice
56. Impurity in a semiconductor*
60. Alternative name for Beta Persei
61. The evening star
63. Cellphone band just below PCS*
64. Attenuator configuration
(pl.)*
67. Electronic component package type (abbr.)*
69. Internet protocol
(abbr.)
70. Akin to an EE, CE, AE, etc.
71. PC follower
72. Semiconductor
and calculator company (abbr.)
73. Chemical symbol for bismuth
74. Chemical
symbol for argon
75. Impurity in a semiconductor that adds a mobile electron
in the conduction band (pl.)*
78. Chemical symbol for strontium
79. Logarithmic
ratio (abbr.)*
81. Counter ElectroMotive Force (abbr.)
82. Unit of length
(abbr.)
84. Proportion of two numbers
87. Chemical symbol for lithium
88.
English theoretical physicist who created the delta function now named after him*
90. Strong cable covering
91. Chemical symbol for scandium
92. Type of high-tech
data gathering system (abbr.)
93. Unit of length (abbr.)
96. Electromagnetic
(abbr.)
97. Equalizer (abbr.)
99. Its chemical symbol is In*
101. Greek
letter
102. One port on a FET (pl.)*
103. Communication mode in which a radio
transmits on one frequency and receives on another*
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See solution below
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