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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
    Kirt Blattenberger,


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...

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Wireless Engineering Crossword Puzzle
July 31, 2016

While all RF Cafe crosswords do in fact use only my hand-entered dictionary of terms and clues (literally thousands accumulated over the years) that pertain exclusively to science, engineering, chemistry, physics, mathematics, astronomy, etc., the choice for a particular title is to help attract search engines to the page. There is nothing deceptive going on, just an attempt to exploit the nature of search engine algorithms that rank pages based on meta tags coinciding with relevant keywords and phrases occurring on the page. Enjoy.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

1. Go beyond the steady-state voltage output
6. He developed a law stating the sum of all currents into and out of a node is zero
11. Opposite of O.D.
12. Chemical symbol for iron
13. Type of distribution, squared
14. Read-only (abbr.)
15. Chemical symbol for rubidium
17. Chemical symbol for nickel
18. Radio signal route
21. Chemical symbol for neptunium
23. Centimeter (abbr.)
24. Greek letter (micro)
25. Determine cause and effect
29. Logarithmic unit of voltage (abbr.)
31. Unit of length (abbr.)
32. Colorado Springs military school (abbr.)
33. Chemical symbol for chlorine
35. A type of digital modulation (acr.)
37. Chemical symbol for aluminum
39. Unintended frequency product from a mixer
41. Chemical symbol for calcium
42. Transportation accident investigation agency (abbr.)
44. Chemical symbol for niobium
45. Chemical symbol for lawrencium
46. Stock symbol for Harris Communications
47. Airport Surveillance Radar (abbr.)
49. Unit of frequency (archaic, abbr.)
50. Unit of length (abbr.)
52. Chemical symbol for tantalum
54. Coefficient of temperature (abbr.)
55. Akin to an EE, CE, AE, etc.
56. Type of current
57. BS__ - the degree held by many RF Cafe visitors
58. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
61. Greek letter used for resistance
63. One port on a FET (pl.)
66. Ham's code for "Station is leaving the net."
67. European equivalent to the U.L.
68. Cellphone band below PCS
70. Opening for airflow
72. Unit of energy
74. Tied a bundle of wires together
76. Broadband Signal Intrusion (abbr.)
78. The amount of matter that a body contains
80. Amateur Radio Association (abbr.)
83. Read-only (abbr.)
85. Ham abbreviation indicating contacts with all major land masses
87. Offset Quadrature Phase Shift Keying
88. Similar to a laser, but at lower frequencies
91. Mate a plug to a jack
93. Chemical symbol for praseodymium
94. Network department (abbr.)
95. Infrared (abbr.)
96. A measure of receiver quality (abbr.)
97. Switch position
98. Type of flip-flop
100. Chemical symbol for silver
101. Permeability-tuned oscillator (abbr.)
103. Signal-to-noise ratio (abbr.)
105. One component of a complex number (abbr.)
106. Chemical symbol for lithium
108. The "C" in CDMA
110. Chemical symbol for radon
111. Move from cell to cell
112. One type of electron spin
113. Online service (abbr.)
115. Unit of time (abbr.)
116. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
119. Chemical symbol for helium
121. Automated Test Equipment (abbr.)
124. Metric angle units
127. Chemical symbol for neon
128. Upper frequency (abbr.)
129. Decimeter (abbr.)
130. Workplace safety group (abbr.)
131. Electronics manufacturer with "meatball" logo
132. Chemical symbol for silicon
134. Filter type that blocks upper frequencies (abbr.)
137. Ham's code for "Shall I increase power?"
138. Last stage in a transmitter (abbr.)
139. Chemical symbol for krypton
140. RF region defined at less than wavelength/(2 x pi)
141. A component of a gasoline-powered engine's ignition system, also the horse's name in Barney Google cartoon (2 wds.)
1. Opposite of I.D.
2. Radio frequency interference (abbr.)
3. Chemical symbol for selenium
4. Number system which uses only the digits 0 to 7
5. Code for a type of electrical wire insulation
7. Band between RF and BB
8. Chemical symbol for chromium
9. Chemical symbol for holmium
10. Chemical symbol for francium
11. Put a new program on a computer
16. Voltage regulator type (hyph.)
17. Nordic Mobile Telephone
18. Chemical symbol for plutonium
19. Below ELF
20. CPS
21. Chemical symbol for neodymium
22. Chemical symbol for lead
23. Chemical symbol for californium
24. Unit of processor calculation speed, abbr.
26. A common battery cell size
27. International phonetic alphabet letter "Y"
28. Engineering Change Notice (abbr.)
30. Unit of apparent power (abbr.)
34. Type of high frequency circuit substrate (abbr.)
36. Chemical symbol for tin
38. Chemical symbol for lawrencium
39. Chemical symbol for strontium
40. Chemical symbol for radium
41. Error checking scheme (abbr.)
43. Chemical symbol for berkelium
46. Grouping of wires or cables
48. Alloy of iron and low percentages of carbon, manganese, chromium, etc.
51. Join a male and a female connector
53. 1/000 of an amp (abbr.)
55. Unit of length (abbr.)
56. Type of data conversion device (abbr.)
59. BASIC looping keyword
60. A BPF specification (abbr.)
61. International phonetic alphabet letter "O"
62. Chemical symbol for gadolinium
64. Flyboy
65. Last statement in a BASIC program
69. Chemical symbol for antimony
71. List of answers to commonly desired information about a product or service (abbr.)
73. Chemical symbol for gallium
75. Change from the initial value due to instability
77. Measure of source / load mismatch (abbr.)
78. Adds information to a CW signal
79. Longitudinal shape-forming structural element
81. Common average used for sinewaves (abbr.)
82. A common battery cell size
84. Switch position
86. Non-reactive part of Apparent Power (2 wds.)
89. A number being either positive or negative
90. Chemical symbol for erbium
92. Type of component package (abbr.)
94. Integrated Services Digital Network (abbr.)
96. Silicon transistor type (abbr.)
99. Chemical symbol for scandium
102. Type of logic gate
103. Fail-____ switch
104. Home state of Los Alamos lab (abbr.)
105. Chemical symbol for ruthenium
107. Galilean moon
109. Resistive component of a capacitor's lumped element model (abbr.)
110. Government program to bring electricity to farms (abbr.)
114. Chemical symbol for lanthanum
117. 1/000 of an inch
118. Thin Shrink Small Outline Package (abbr.)
119. RF & microwaves magazine founded by Gary Breed, now Summit Technical Media (abbr.)
120. Chemical symbol for europium
122. Time delay (abbr.)
123. Electromagnetic (abbr.)
125. Chemical symbol for argon
126. Logical gate type (pl.)
127. 1e-6 mA
131. Key feature in a high level overvoltage protection device
133. One port of an amplifier
134. 30 kHz to 300 kHz
135. Ratio of circumference to diameter
136. Chemical symbol for thallium
138. Max or min voltage of a waveform (abbr.)
139. Mass unit (abbr.)

See solution below


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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