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Science & Engineering Crossword Puzzle
September 2, 2012
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Reproduction of this puzzle without the express permission
of RF Cafe is prohibited.
| ACROSS |
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ACROSS
1. Part of a closed-loop
system (pl.)
7. Current-voltage phase mnemonic
10. Binary
Coded Decimal
13. Tough drill bit material
18. Morse Code
for "from"
19. Cable termination type
20. Type of data
conversion device (abbr.)
21. Chemical symbol for europium
22. Start frequency (abbr.)
23. Unit of length (abbr.)
24. Imaging device (abbr.)
27. High-speed logic family
29. 1/000 of an inch
31. Electromagnetic interference (abbr.)
34. Chemical symbol for argon
35. Color quality
37. Display
type
39. Short for modulator/demodulator (pl.)
41. Global
System for Mobile Communications (abbr.)
43. Centimeter (abbr.)
44. A concern of Boolean equations
46. Filter type that blocks
upper frequencies (abbr.)
48. Chemical symbol for dysprosium
49. Chemical symbol for helium
50. Sound frequency in the
human hearing range (abbr.)
52. Slow flow of metal when under
high temperature or great pressure
53. A feedback scheme
to level out the receiver audio volume (abbr.)
55. 2/3 of
a triac
58. 300 kHz to 3 MHz
59. Filter type that blocks
upper frequencies (abbr.)
61. Plural of locus
64. 2 x
SSB
66. The UK's largest defense electronics contractor (abbr.)
67. Effect (named after its discoverer) that is the variation
in the width of the base in a BJT due to a variation in the
applied base-to-collector
69. International Amateur Radio
Union (abbr.)
70. PC follower
71. Type of current
73.
Type of microwave diode
74. 360 degrees of phase rotation
76. Stock symbol for Lockheed Martin
78. International Reply
Coupon (abbr.)
80. Automated universal inductance tester
- watch that 3rd letter, (abbr.)
81. Front edge of a wing
(abbr.)
82. Infrared (abbr.)
83. Have a positive phase
wrt a reference
85. Type of data conversion device (abbr.)
87. International phonetic alphabet letter "D"
88. 3 MHz
to 30 MHz
90. Band between RF and BB
91. Filter type that
blocks frequencies below and above a specified band (abbr.)
93. Mr. de Forest's first name
95. Ratio of output to input
power, voltage, current, light, etc. (pl.)
97. Chemical symbol
for lanthanum
99. Unit of admittance
101. What current
is said to do, past tense
103. Type of computer display (abbr.)
104. Satellite TV system
105. A BPF specification (abbr.)
106. Last statement in a BASIC program
108. Colorado Springs
military school (abbr.)
109. Singulated piece of IC wafer
112. U.K. equivalent of the IEEE
113. 1/6 inch printer's
measure
115. Chemical symbol for cadmium
116. Logarithmic
ratio (abbr.)
118. Amateur Radio Association (abbr.)
120.
Amateur radio enthusiast
122. Chemical symbol for californium
123. Having a small magnitude for S21 (2 wds.)
124. Unit
of energy
125. Computer "brain" (abbr.)
126. BNC, SMA,
N, or 7/16 |
DOWN
1. Frequency Division
Duplex
2. BS__ - the degree held by many RF Cafe visitors
3. Troubleshooting software
4. Chemical symbol for aluminum
5. Mr. Piper's famous yellow airplane
6. Mass unit (abbr.)
7. Opposite of O.D.
8. Software engineering tool (abbr.)
9. ECM response
11. European equivalent to the U.L.
12.
Type of load used in place of an antenna during transmitter
testing
13. Curly-Q type light bulb (abbr.)
14. Chemical
symbol for arsenic
15. Graphics file types
16. Decimeter
(abbr.)
17. Using the moon as a passive reflector to establish
a signal path; moonbounce (abbr.)
24. Capable of being cascaded
25. Chemical symbol for chromium
26. Cellular Digital Packet
Data
28. Numerical basis for decibels (abbr.)
30. Network
department (abbr.)
32. Unit of frequency (archaic, abbr.)
33. A complex quantity that can describe either impedance or
admittance
35. Communication between stations by reflecting
the radio waves off of the ionosphere
36. Electronics Industry
Association (abbr.)
38. Chemical symbol for chlorine
40.
Erbium Doped Fiber Amplifier (abbr.)
41. Electronics manufacturer
with "meatball" logo
42. 1/000 of an amp (abbr.)
44. One
component of volume
45. A gaseous process that deposits insulating
films or metal onto a wafer at elevated temperature (abbr.)
47. Part of an optical cable bundle
49. Filter type that
blocks lower frequencies (abbr.)
51. Integral of the magnetic
vector field over a surface (pl.)
54. Certificate of Successful
Completion of Examination (abbr.)
56. A common battery cell
size
57. Wireless phone region
58. Steel, brass, aluminum,
etc.
59. Constellation : The lyre
60. Person responsible
for program spending (abbr.)
62. Chemical symbol for calcium
63. Indium phosphide
65. Word used in describing 2-D and
3-D object dimensions
68. Chemical symbol for lithium
72. Chemical symbol for copper
75. High power density battery
chemistry (abbr.)
77. Akin to an EE, CE, AE, etc.
79.
CDMA Development Group (abbr.)
81. 30 kHz to 300 kHz
84.
Digital Enhanced Cordless Telephone
86. Software drafting
tool (abbr.)
87. The system than converts common website
names to IP addresses (abbr.)
89. Type of modulation (abbr.)
90. Galilean moon
91. One of many similar appendages of a
fan
92. Semiconductor lamp
94. Chemical symbol for erbium
96. First name of a British scientist of falling apple fame
98. Army-Navy specification prefix
100. Control language
used by Hewlett Packard printers, abbr.
101. Small unit of
capacitance (abbr.)
102. 2/3 of a triac
105. Chemical
symbol for iron
107. Keyboard key
108. Agilent's EE design
software (abbr.)
110. Effective Radiated Power (abbr.)
111. ELI the ICE ___
112. Discipline for aircraft navigation
in low visibility environments (abbr.)
114. Chemical symbol
for molybdenum
115. Chemical symbol for cesium
117. Chemical
symbol for bromine
119. Chemical symbol for gold
120.
Chemical symbol for holmium
121. Chemical symbol for manganese
122. Chemical symbol for cobalt |
See solution below
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