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In these times of communists and Marxists (and other "-ists") infiltrating high
positions of American government and destroying our hard-won legacy of freedom,
compassion, traditional family values, hard work, and patriotism, this Independence
Day theme crossword puzzle is created to celebrate our heritage and resist the
corrupters. The Cancel Culture mobs will never dissuade
our staff (Melanie and me)
here at RF Cafe! Clues with an asterisk (*) are related to the puzzle's theme.
All crossword puzzles use a personally built dictionary of thousands of words
and clues related to RF, microwave, and mm-wave engineering, optics, mathematics,
chemistry, physics, and other technical subjects. As always, this crossword puzzle
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
2. Additive white Gaussian noise
5. Chemical
symbol for calcium
8. Army-Navy specification prefix
10. Send a wireless to
an early hip-worn wireless device
15. Half of a DIP
16. ____ + 123 Down, signer
of the Declaration of Independence*
17. Have a positive phase wrt a reference
18. Government program to bring electricity to farms (abbr.)
19. Mr. Bohr's first
name
20. A famous LEO satellite constellation (originally to be 77 satellites)
21. New company formed by RFMD and TriQuint merger
22. Unit of volume (abbr.)
23. Related to FM by a differential
25. Ratio of circumference to diameter
26. 1/000 of an amp (abbr.)
27. Filter type that blocks frequencies below and
above a specified band (abbr.)
29. Type of flip-flop
30. Chemical symbol for
silver
31. The LM741 was the first
34. Using a logical connection scheme for
redundant power supplies
36. Chemical symbol for mercury
38. Army-Navy specification
prefix
39. Early predecessor to an online forum (abbr.)
41. Silicon transistor
type (abbr.)
43. Amateur radio operator who is qualified to administer Amateur
Radio licensing examinations (abbr.)
45. A three-terminal power semiconductor
device noted for high efficiency and fast switching (abbr.)
47. Chemical symbol
for gold
48. Chemical symbol for aluminum
49. Possess luminosity
50. Metal
mixtures
53. Time Division Multiplexing
55. The ______ + 93 Across + of +
70 Down, the world's first true representative republic (not a democracy)*
58.
Heatsink feature
60. Semiconductor and calculator company (abbr.)
61. Original
Equipment Manufacturer (abbr.)
62. Test equipment (abbr.)
63. Metric system
(abbr.)
65. Chemical symbol for rubidium
66. 16 Across + _______, signer of
the Declaration of Independence - in large letters so King George could see it without
his glasses*
69. Device attached to an antenna mast which rotates it so that
the antenna can point in different directions
72. ampere-hour (abbr.)
73.
Modulation type (abbr.)
74. Yard (abbr.)
75. Sound frequency in the human
hearing range (abbr.)
76. Chemical symbol for nickel
77. Unit of magnetic
flux(abbr.)
78. Illumination device
79. Amateur radio operator who is qualified
to administer Amateur Radio licensing examinations (abbr., pl.)
81. Swap ____,
a Ham's flea market
82. Cyanide (abbr.)
83. Unit of length (abbr.)
85.
Read-only (abbr.)
86. Front edge of a wing (abbr.)
87. Unit of time (abbr.)
89. Stock symbol for Boeing
90. Chemical symbol for magnesium
91. Plural of
locus
93. The 55 Across + ______ + of + 70 Down, the world's first true representative
republic (not a democracy)*
95. PC Card - with 68 pin interface
98. 12 inches
(pl.)
100. Analog-to-Digital (abbr.)
101. Finite Element Analysis (abbr.)
102. Ethoxyethane
104. Effective frontal area presented to a microwave interrogation
system (abbr.)
105. Electromagnetic (abbr.)
106. Type of logic gate
108.
Time division duplex (abbr.)
110. Powers pneumatic devices
112. Amateur radio
operating mode for sharing real-time video (abbr.)
114. The cell band above DCN
116. Summer
118. Facsimile
120. Computer monitor resolution measure (abbr.)
121. He developed an alphabet composed of dots and dashes
124. Chemical symbol
for erbium
126. Coefficient of temperature (abbr.)
127. Semiconductor and
calculator company (abbr.)
129. One port of an amplifier
131. The ______ +
93 Across + of + 70 Down, the world's first true representative republic (not a
democracy)*
137. Experimenter in electricity, a clock maker, lawyer, and a signer
of the Declaration of Independence (2 wds.)*
142. Stock symbol for Advanced Micro
Devices
143. Automatic network analyzer (abbr.)
144. Add two or more inputs
145. ___/IP scheme for networked connectivity
146. Stock symbol for Raytheon
147. Unit of frequency (archaic, abbr.)
148. A keyboard key
150. Decimeter
(abbr.)
151. Chemical symbol for antimony
153. Ticker symbol for Analog Devices
155. Chemical symbol for copper
157. Morse Code for "from"
158. Chemical symbol
for radium
160. Unlicensed FCC Part 95 realm for personal and business radio
use (abbr.)
162. 10E1 numerical prefix
164. Type of rechargeable battery (abbr.,
pl.)
165. Circuit containing a mixture of technologies (pl.)
166. Ratio of
a mechanical drawing |
1. He flew a kite with a key in a Leyden jar, and
signed the Declaration of Independence* (2 wds.)*
2. Application Specific Integrated
Circuit (abbr.)
3. Radio term for "Will Comply"
4. World's first satellite
navigation system (abbr.)
5. The shortest-duration modulation state in a spread
spectrum system
6. RF, analog, digital, and optical test equipment vendor
7. The + 131 Across + of + ____________, America's founding document*
8. High
temperature substrate
9. Electric enclosure standard organization (abbr.)
11. Automatic repeat request used in AMTOR (abbr.)
12. Mr. Ohm's first name
13. CB slang for CB radio or antenna
14. USA's first president (2 wds.)*
23.
Control and monitoring board
24. Unit of length (abbr.)
27. Filter type that
blocks frequencies in a specified band (abbr.)
28. Point of rotation
32. Last
stage in a transmitter (abbr.)
33. Chemical symbol for lead
34. Switch position
35. Chemical symbol for neon
37. Logarithmic ratio (abbr.)
40. Early programming
language
42. The sun's most distant <former>planet
44. Chemical symbol
for thallium
46. Chemical symbol for tantalum
49. Chemical symbol for gadolinium
51. Termination
52. Elemental compound used for microwave frequency reference
oscillators (abbr.)
53. Part of a FOR loop
54. Unit of length (abbr.)
56.
On-the-air meeting of hams at a set time, day and radio frequency
57. Electronic
Variable Optical Attenuator (abbr.)
59. Big Blue
64. Gallium nitride chemical
symbol
66. Circuit containing a mixture of technologies
67. Kept track of
events
68. 1,000 seconds (abbr.)
69. Type of flip-flop
70. The 55 Across
+ 93 Across + of + _______, the world's first true representative republic (not
a democracy)*
71. Web's most popular radio frequency engineering site (2 ltrs.
+ 1 wd.)
79. Third largest asteroid
80. _____ conductor
84. Chemical symbol
for molybdenum
86. Mr. de Forest's first name
88. Special diode type that
can be switched (abbr.)
90. Akin to an EE, CE, AE, etc.
92. Plug-in for computer
bus
93. Parameter that is a figure of merit for receiver performance in presence
of multiple signals (abbr.)
94. A common battery cell size
96. Chemical symbol
for chromium
97. Material testing organization (abbr.)
99. Nuclear explosion
byproduct harmful to electronic (abbr., pl.)
103. The "H" in UHF
107. Mathematical
table whose entries come from a fixed finite set of symbols (abbr.)
108. Prefix
meaning ground or earth
109. Stock symbol for National Instruments
111. Started
as HPIB
113. Telephony over computer networks
115. European equivalent to
the U.L.
117. Keyboard key
119. Crystal oscillator (abbr.)
120. Permeability-tuned
oscillator (abbr.)
122. Rádio Nacional de Angola (abbr.)
123. Samuel + _____,
signer of the Declaration of Independence*
125. Prefix used on many MIL-SPEC
components
128. Error checking scheme (abbr.)
130. The evening star
132.
Science of assuring operation amid dense EM background noise (abbr.)
133. Chemical
symbol for cadmium
134. Radio Amateur Civil Emergency Service (abbr.)
135.
Chemical symbol for tantalum
136. Stock symbol for National Semiconductor
137. Common average used for sinewaves (abbr.)
138. Radio signals from the cosmos
(abbr.)
139. Attenuator topology (pl.)
140. Infrared (abbr.)
141. Negative
temperature coefficient (abbr.)
149. Synchronous Digital Hierarchy
150. 24
hours
152. Digital pattern coding type (abbr.)
154. Type of data conversion
device (abbr.)
156. Schema for computer or device presentation to the operator
(abbr.)
158. Chemical symbol for rhodium
159. Chemical symbol for praseodymium
161. Filter type that blocks frequencies in a specified band (abbr.)
163. Electrical
safety organization (abbr.) |
See solution below
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