1.Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS
DOWN
1. Compressed computer file extension
4. Trigonometric function equal to the ratio
between the side opposite a given angle, and
the hypotenuse
8. Bore a hole in a PCB
10. Retains a charge
12. Unit of apparent power (abbr.)
13. BlackBerry or Palm for example (abbr.)
15. Rádio Nacional de Angola (abbr.)
16. One type of electron spin
18. A gaseous process that deposits insulating
films or metal onto a wafer at elevated
temperature (abbr.)
20. Greek letter used for coefficient of
reflection
1. Chemical symbol for zirconium
2. Input intercept point (abbr.)
3. Programmable Logic Device (abbr.)
4. ESD protective apparel
5. Charged particle
6. Gun safety and education organization
(abbr.)
7. BS__ - the degree held by many RF Cafe
visitors
8. Mr. Packard's (HP) first name
9. Is behind in phase
11. Its chemical symbol is S
12. Voltage-controlled oscillator (abbr.)
14. Specialized mobile radio (abbr.)
17. Circuit for firing a radar magnetron (abbr.,
23. 3 kHz to 30 kHz
24. Output intercept point (abbr.)
25. Remove insulation from a wire
26. Circuit for firing a radar magnetron (abbr.)
27. 2/3 of a triac
30. The evening star
32. Type of anaylsis that uses approximation
techniques for solving mathematical problems
33. Precision approach radar (abbr.)
34. Type of chart
36. A reaction in which atoms have their
oxidation number changed
37. Small DIP package (abbr., pl.)
39. Radio teletype (abbr.)
42. Greek letter
43. Network configuration type (pl.)
46. A common battery cell size
48. Automatic Send-Receive (abbr.)
49. The largest asteroid
50. It can follow an MS
51. One component of a complex number
(abbr.)
52. Enhanced Graphics Adapter
54. Silicon transistor type
57. Amateur radio abbreviation for the Oceania
region (abbr.)
58. Measure a waveform at regular intervals
60. Relating to sound
62. Nearest and furthest points to the center of
gravitational attraction for a body in orbit
63. ___/IP scheme for networked connectivity
Answer below:
pl.)
19. Printer resolution abbreviation
21. Cause to decrease in magnitude
22. It is the "M" in SMA
23. Virtual Private Network
28. Association of North American Radio
Clubs
29. Chemically reacts to harden
30. A gaseous substance that can be liquefied
by pressure alone
31. Type of high-tech data gathering system
(abbr.)
35. Signal amplitude degradation due to
inefficiency (pl.)
37. Longitudinal shape-forming structural
element
38. Type of digital filter (abbr.)
40. Transformer interwinding connection
41. A major search engine
43. Ratio of a mechanical drawing
44. Amateur Radio Association (abbr.)
45. Solid state power amplifier (abbr.)
47. Type of data conversion device (abbr.)
52. Nuclear explosion byproduct harmful to
electronic (abbr.)
53. World's first satellite navigation system
(abbr.)
55. Mate to a bolt
56. Personal Digital Cellular
59. A common battery cell size
61. Internet protocol (abbr.)
2.Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS
DOWN
1. Lowest range of system frequencies
5. Average time it takes for a minority carrier
to recombine
9. 1.602E-19 Joules
11. Its chemical symbol is Ni
15. Adjacent Channel Power Ratio (abbr.)
17. Chemical symbol for gadolinium
18. BlackBerry or Palm for example (abbr.)
20. Chemical symbol for thallium
22. Type of data storage IC (pl.)
24. Type of star that emits periodic bursts of
energy
27. Multifunctional silicon devices (abbr.)
28. Voltage-current phase mnemonic
29. Transportation accident investigation
agency (abbr.)
30. Change connector type
31. 30 GHz to 300 GHz
32. Lubricant
33. Enhanced Graphics Adapter
35. Abbreviation for Hertz
36. Display a radar target
39. High Data Rate
41. Stock symbol for Microsoft
44. Creates an impenetrable physical barrier
47. Thin layer of material deposited a surface
(pl.)
50. Steady-state voltage reference
54. Type of digital filter (abbr.)
56. _____ Specialty Paper and Film, in
Fallsington, PA
57. Electromagnetic (abbr.)
58. The design component of total product cost
(abbr.)
59. Singulated piece of IC wafer
60. 24 hours
62. One axis of an ellipse
64. A star that suddenly becomes much brighter
and then gradually returns to its original
brightness over a period of weeks to years
2. Chemical symbol for silver
3. Abbreviation for acknowledge (also a
common word used by Bill the Cat)
4. Stock symbol for Dell Computer
6. Area on a shaft for accommodating a
setscrew (pl.)
7. Discipline for aircraft navigation in low
visibility environments (abbr.)
8. PNPs and NPNs
10. Radio term for an unconventional
frequency separation between input and output
frequencies, 2 wds.
12. Complex Instruction Set Computer
13. Ethoxyethane
14. Unit of heat
16. It is the "P" in S2P
19. Length times width
21. Automatons
23. An efficient microstrip corner shape (pl.)
24. Prefix meaning "to squeeze"
25. Filter type that blocks upper frequencies
(abbr.)
26. Army-Navy specification prefix
34. A common battery cell size
37. Unit of atmospheric pressure (abbr.)
38. Home state of Los Alamos lab (abbr.)
40. Semiconductor and calculator company
(abbr.)
42. Chemical symbol for francium
43. Chemical symbol for nickel
45. 30 Hz to 300 Hz
46. Local Oscillator (abbr.)
48. Computer communication scheme (abbr.)
49. Unit of conductance
50. Frequency response graph
51. The "A" in DARPA
52. Chemical symbol for strontium
53. Sent a message via Morse Code
55. Subjects a circuit to extreme operation
60. Keyboard key
67. Electronics Industry Association (abbr.)
68. Front edge of a wing (abbr.)
69. Greek mathematician who wrote the book
"Elements of Geometry"
72. Volt, meter, pint, pound, eg.
73. Chemical symbol for selenium
74. Official Space Shuttle designation (abbr.)
75. Opposite of I.D.
76. Prefix for 10 ^ -18
77. A flip-flop input
79. Stock symbol for Boeing
81. Between-series connectors
82. Our galaxy
Answer below
61. One tier of a PCB
63. Logical negation (pl.)
65. Opening for airflow
66. Astronomical Unit (93E6 miles)
68. Cable termination type (pl.)
70. Inductor used to block RF signals
71. Bands between RF and baseband
73. Junk e-mail
76. Colorado Springs military school (abbr.)
78. High-speed logic family
80. Chemical symbol for calcium