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DC-70 GHz RF Cables - RF Cafe

Engineering & Science Crossword Puzzle

October 2, 2011

2011 Engineering & Science Crossword Puzzles

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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12/25/2011

12/18/2011

12/11/2011

12/4/2011

11/27/2011

11/20/2011

11/13/2011

11/6/2011

10/30/2011

10/23/2011

10/16/2011

10/9/2011

10/2/2011

9/25/2011

9/18/2011

9/11/2011

9/4/2011

8/28/2011

8/21/2011

8/14/2011

8/7/2011

7/31/2011

7/24/2011

7/17/2011

7/10/2011

7/3/2011

6/26/2011

6/19/2011

6/12/2011

6/5/2011

5/29/2011

5/22/2011

5/15/2011

5/8/2011

5/1/2011

4/24/2011

4/17/2011

4/10/2011

4/3/2011

3/27/2011

3/20/2011

3/13/2011

3/6/2011

2/27/2011

2/20/2011

2/13/2011

2/6/2011

1/30/2011

1/23/2011

1/16/2011

1/9/2011

1/2/2011


Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF & Microwave Engineering Crossword Puzzle - RF Cafe

ACROSS DOWN
1. Type of data storage IC

5. Personal Handy Phone System (abbr.)

8. Pure carrier (abbr.)

9. European equivalent to the U.L.

11. Type of flip-flop

13. Mr. Joule's first name

16. One component of a complex number (abbr.)

17. Unit of current

19. Logarithmic unit of power

20. Discipline for aircraft navigation in low visibility environments (abbr.)

21. Elemental compound used for microwave frequency reference oscillators (abbr., pl.)

23. Adjust

24. Pertaining to the moon

25. Counter ElectroMotive Force (abbr.)

28. Common solder composition (pre-lead-free, abbr.)

31. Circuit for maintaining constant voltage (abbr.)

32. International Telecommunications Union

34. Electromagnetic interference (abbr.)

35. 30 kHz to 300 kHz

36. Inductors

38. Chemical symbol for ruthenium

39. Home state of Los Alamos lab (abbr.)

40. Network department (abbr.)

42. Chemical symbol for argon

43. Low- to mid- frequency RF connector

45. BS__ - the degree held by many RF Cafe visitors

47. High-speed logic family

49. One port of an amplifier

52. 1.602E-19 Joules

54. Front edge of a wing (abbr.)

55. Unit of time (abbr.)

56. Chemical symbol for cobalt

57. A common battery cell size

59. Prefix used on many MIL-SPEC components

60. Semiconductor lamp

61. Transformer interwinding connection

62. Greek letter

64. Ground fault interrupter (abbr.)

66. Network department (abbr.)

67. Chemical symbol for lawrencium

68. 1e-6 mA

70. Chemical symbol for mercury

71. Telex-Over-Radio (abbr.)

72. ___/IP scheme for networked connectivity

73. Modern battlefield technique (abbr.)

75. Test equipment (abbr.)

76. Chemical symbol for cesium

77. Chemical symbol for krypton

78. Permeability-tuned oscillator (abbr.)

80. Very large unit of apparent power (abbr.)

81. Voltage-current phase mnemonic

82. Radio Amateurs of Canada (abbr.)

83. Unit of typing speed (abbr.)

85. Degree of IC sophistication (abbr.)

87. Chemical symbol for erbium

88. Chemical symbol for platinum

89. Chemical symbol for europium

91. Chemical symbol for molybdenum

92. Variable Frequency Oscillator

93. Silicon transistor type (abbr.)

95. Semiconductor and calculator company (abbr.)

96. Readability, Signal, and Tone (QoS report type)

98. Chemical symbol for selenium

100. Modulation type (abbr.)

102. Related to FM by a differential

104. Chemical symbol for scandium

106. Opposite of a source (pl.)

109. Chemical symbol for manganese

110. Printer output resolution unit (abbr.)

112. Modulation technique (abbr.)

113. Device under test (abbr.)

114. Integrated Services Digital Network (abbr.)

116. Fail-____ switch

117. Geometrically defined figure that has the same shape as a ring doughnut

118. Stock symbol for Linear Technologies

121. Light ray

124. Type of logic gate

125. Rádio Nacional de Angola (abbr.)

127. Ham's code for "Shall I increase power?"

128. Chemical symbol for tantalum

129. O3

131. Chemical symbol for cadmium

132. Chemical symbol for radon

133. Chemical symbol for mendelevium

135. Software engineering tool (abbr.)

136. U.S. Spectrum allocation agency

2. Type of current flow (abbr.)

3. Premier RF/microwave engineering magazine (abbr.)

4. Statistical entity often used with permutation

5. Personal communication system

6. Chemical symbol for helium

7. A series of achromatic tones having varying proportions of white and black

10. The "Ge" in SiGe

12. Surface Mount Technology

14. Analog-to-Digital (abbr.)

15. Electromagnetic (abbr.)

16. Radio frequency interference (abbr.)

18. Chemical symbol for polonium

20. Infrared (abbr.)

22. Below ELF

23. Total radiated power (abbr.)

26. 30 Hz to 300 Hz

27. Unit of frequency (archaic, abbr.)

29. Chemical symbol for beryllium

30. Specialized mobile radio (abbr.)

32. Galilean moon

33. Electrical safety organization (abbr.)

36. Centimeter (abbr.)

37. Chemical symbol for silicon

39. The design component of total product cost (abbr.)

41. Adjust a pot

43. Large-value resistor connected across the filter capacitor in a power supply to discharge the filter capacitors when the supply is turned off (2 wds.)

44. Type of source used by a Norton equivalent circuit

46. The imaginary part of apparent power (2 wds.)

48. Chemical symbol for chlorine

50. Unit of time (abbr.)

51. _____________ Management, design group that tracks product revisions

53. Unit of apparent power (abbr.)

56. Chemical symbol for calcium

58. Arithmetic Logic Unit (abbr.)

59. Compressed image file format

63. PC follower

65. Unit of inductance (abbr.)

67. Sample group

69. Automatic Calibration System (abbr.)

74. Weight (abbr.)

77. Kilovolts (abbr.)

79. Original Equipment Manufacturer (abbr.)

80. Wire diameter unit (abbr.)

84. Chemical symbol for praseodymium

86. Type of component package (abbr.)

88. Unit of capacitance (abbr.)

90. One type of electron spin

92. Circuit element connecting PCB layers

94. Stock symbol for National Semiconductor

97. Opposite of asynchronous

99. Generate a periodic signal

101. 1E6 nanoseconds

102. Unit of time (abbr.)

103. Short for "intermodulation", pl.

105. Hz

107. Internet protocol (abbr.)

108. Unit of length (abbr.)

109. Maximum Usable Frequency

111. Opposite of O.D.

113. 10^1 numerical prefix

115. Negative temperature coefficient (abbr.)

116. Half of DSB

119. Low Noise Amplifier (abbr.)

120. Time delay (abbr.)

122. Equalizer (abbr.)

123. Portion of a circle

125. Return-to-Zero (abbr.)

126. Army-Navy specification prefix

129. Exponent that returns the original number

130. Electromotive force (abbr.)

132. Chemical symbol for radium

134. Type of current


See solution below

RF & Microwave Engineering Crossword Puzzle Solution - RF Cafe

Amplifier Solutions Corporation (ASC) - RF Cafe

Holzworth RF Synthesizers
TotalTemp Technologies (Thermal Platforms) - RF Cafe
Windfreak Technologies Frequency Synthesizers - RF Cafe

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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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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