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This week's crossword puzzle for June 4th sports an electronics theme. This being
the fourth day of the month, many of the words begin and/or end with the letter
"D." Besides that, we're only two days away from "D-Day." 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. Filter with more than one frequency band going from separate ports
to a common port (pl.)
8. Chemical symbol for neptunium
9. Chemical symbol
for tantalum
11. Imaging device (abbr.)
12. Sound-pressure level derived using
A-weighting
14. Carrier-to-noise ratio (abbr.)
15. Electromagnetic (abbr.)
16. Type of secondary radar system (abbr.)
18. Chemical symbol for erbium
19. When the upper atmosphere acts like a waveguide
22. The "D" in CD
24.
Chemical symbol for cesium
25. A major search engine
26. Digital storage oscilloscope
(abbr.)
30. Chemical symbol for manganese
31. The "A" in BAW
34. Decimeter
(abbr.)
35. Digital pattern coding type (abbr.)
36. Notch type filter (abbr.)
37. Miniature threaded RF connector
39. Voltage-current phase mnemonic
40.
Unit of volume (abbr.)
42. The system than converts common website names to IP
addresses (abbr.)
44. 1/000 of an inch
45. System On Chip
47. Direct Memory
Access (abbr.)
49. Programmable Logic Device (abbr.)
51. Facility where semiconductors
are manufactured
53. Direct Memory Access (abbr.)
55. Chemical symbol for
silicon
56. An unlicensed radio band in the U.S. often used for walkie-talkies
(abbr.)
57. Official Space Shuttle designation (abbr.)
59. Keyboard key
60. Low Noise Amplifier (abbr.)
62. One component of a complex number (abbr.)
63. Introduces unintended amplitude changes
64. 1/000 of an amp (abbr.)
65.
3-phase transformer configuration
66. Constellation : The dragon
69. Filter
type that blocks frequencies in a specified band (abbr.)
71. Move in a raster
pattern
72. Specified system parameters
75. BS__ - the degree held by many
RF Cafe visitors
76. Flash caused by an electric current ionizing a gas or vapor
77. Pure carrier (abbr.)
79. Decibels above or below a dipole antenna (abbr.)
81. Hit a component with an electrostatic discharge
82. A feedback scheme to
level out the receiver audio volume (abbr.)
83. Intermodulation (abbr.)
85.
1.602E-19 Joules
86. Reduced in amplitude
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2. Does not reach the steady-state voltage output
3. Min-to-max voltage of
a waveform (abbr.)
4. Its chemical symbol is Er
5. Radio signals from the
cosmos (abbr.)
6. Radio Amateurs of Canada (abbr.)
7. Schematic label for
voltage supply node
10. Aerodynamic opposition to thrust
13. Scheme to maintain
proper frequency (abbr.)
17. Unit of length (abbr.)
18. Electronics Industry
Association (abbr.)
20. Small representative graphic
21. Unit of time (abbr.)
22. Physics of accelerated motion
23. Chemical symbol for cobalt
27. Miniature
RF connector
28. Dual Tone Multi-Frequency
29. Coordinated Universal Time
(abbr.)
32. 2 GHz to 4 GHz
33. Opposite of O.D.
34. Bores a hole
36.
Target indication on a radar display
38. Chemical symbol for mendelevium
39.
Electromagnetic (abbr.)
41. Engineer's blood plasma
43. Electronic component
package type (abbr.)
46. Mr. Gauss' first name
48. Radio Amateur Satellite
Corporation (abbr.)
50. Mathematical process that yields a quotient as its result
52. Filter type that blocks frequencies in a specified band (abbr.)
54. PC follower
58. Radio signal that propagates along the ground (2 wds.)
59. Aerodynamic opposition
to thrust
60. Chemical symbol for lithium
61. Stock symbol for National Semiconductor
63. 24 hours
64. Microwaves & RF magazine (abbr.)
67. Type of flip-flop
68. Software engineering tool (abbr.)
69. Chemical symbol for beryllium
70.
Factor of ten
72. This calculus operation yields current through an inductor
73. ________ _____ - Degrees of separation between two lines meeting at a common
vertex (2 wds., abbr.)
74. Non-return to zero (abbr.)
78. Cellphone band just
below PCS
80. Singulated piece of IC wafer
84. Unit of frequency (archaic,
abbr.)
85. Chemical symbol for einsteinium
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See solution below
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