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This custom RF Cafe electronics-themed crossword puzzle for April 2nd contains
words and clues which pertain exclusively to the subjects of electronics, science,
physics, mechanics, engineering, power distribution, astronomy, chemistry, etc.
If you do see names of people or places, they are intimately related to the aforementioned
areas of study. As always, you will find no references to numbnut movie stars or
fashion designers. Need more crossword RF Cafe puzzles? A list at the bottom of
the page links to hundreds of them dating back to the year 2000. 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. Radio receiver scheme which mixes a second
frequency (LO) with the incoming radio signals
12. Ratio of circumference to
diameter
13. That which causes a change in the motion of a body
14.
Chemical symbol for arsenic
16. Chemical symbol for neon
18. Engineering
Change Order (abbr.)
21. Unit of weight
22. Bulk Acoustic Wave
24.
Chemical symbol for gold
25. Opposite of USB
27. Computer monitor
resolution measure (abbr.)
28. Enrico _____, nuclear physicist
30.
Automaton
31. Causes a voltage or current waveform to gradually die out
34. Unit of frequency (archaic, abbr.)
35. Logic family
37. Digital
transmission figure of merit (abbr.)
38. Type of current flow (abbr.)
39.
Send Morse Code
41. IC killer (abbr.)
42. Its chemical symbol is Fe
44.
The "D" in CD (pl.)
47. Color code for "9"
49. Local Oscillator (abbr.)
50. File name extension for an ASCII file
53. Code for a type of electrical
wire insulation (abbr.)
54. Low Noise Amplifier (abbr.)
56. Chemical
symbol for niobium
57. Internet address (abbr.)
59. Radio frequency
interference (abbr.)
60. Remove insulation from a wire
62. Molecular
building blocks
63. ICs
66. ________ _____ - Degrees of separation between
two lines meeting at a common vertex (2 wds., abbr.)
67. World's largest
yearly convention of gadget and device manufacturers (abbr.)
69. Key feature
in a high level overvoltage protection device
70. Switch position
71.
Government program to bring electricity to farms (abbr.)
73. Frequency
Division Duplex
74. Plane circular area
76. Frequency (pl.)
79. Type of
transistor (abbr.)
81. Unit of frequency (archaic, abbr.)
82. Akin to EEs,
CEs, AEs, etc. (abbr., pl.)
83. Metric system (abbr.)
84. A type of
digital modulation (abbr.)
85. Chemical symbol for radium |
2. One type of electron spin
3. Type of chart
4. 3 MHz to 30 MHz
5. End of transmission (abbr.)
6. Systematic approach
to locating the cause of a fault in an electronic circuit or system
7.
Engineering Change Notice (abbr.)
8. One component of a complex number
(abbr.)
9. Rotate about the vertical axis
10. Unit of time (abbr.)
11.
Army-Navy specification prefix
15. Chemical symbol for plutonium
17.
Describes stationary charges
19. Do it with a mouse
20. Unix, Linux or
Windows (abbr.)
22. Filter type that blocks frequencies below and above a
specified band (abbr.)
23. Part of CAD
24. Rms current times rms voltage
(2 wds.)
26. Filter type that blocks frequencies in a specified band (abbr.)
27. Chemical symbol for platinum
28. Type of modulation (abbr.)
29. 1/000
of an amp (abbr.)
32. Chemical symbol for argon
33. Chemical symbol for
scandium
36. Test equipment (abbr.)
37. Filter type that blocks
frequencies in a specified band (abbr.)
40. Yard (abbr.)
41. Chemical
symbol for einsteinium
42. S12 or S21 (abbr.)
43. 1e-6 mA
45. Network
department (abbr.)
46. Pure carrier (abbr.)
47. Chemical symbol for
gallium
48. Chemical symbol for ytterbium
51. _____ conductor
52.
Chemical symbol for chromium
54. 30 kHz to 300 kHz
55. Rechargeable
battery type (abbr.)
58. Chemical symbol for lanthanum
59. Type of
flip-flop
60. Chemical symbol for silicon
61. Multifunctional silicon
devices (abbr.)
64. Filter type that blocks lower frequencies (abbr.)
65.
Chemical symbol for tin
68. Chemical symbol for selenium
69. Chemical
symbol for gadolinium
72. PC follower
73. Start frequency (abbr.)
74.
Decimeter (abbr.)
75. Unit of length (abbr.)
77. Amateur radio
abbreviation for the Oceania region (abbr.)
78. Chemical symbol for
einsteinium
79. Type of flip flop
80. Chemical symbol for tantalum |
See solution below
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