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Engineering Theme Crossword Puzzle
August 8, 2021

This Engineering Theme crossword puzzle for August 8th, 2021, contains only words and clues related to engineering, mathematics, chemistry, physics, and other technical words. 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., Hedy Lamarr or the Bikini Atoll). 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

Engineering Theme Crossword Puzzle for August 8th, 2021 - RF Cafe

1. Moon of Saturn with retrograde orbit

6. Uncertainty in timing (2 wds.)

16. Scheme to maintain proper frequency (abbr.)

17. Wideband Code Division Multiple Access

19. Chemical symbol for beryllium

20. Peak envelope power (abbr.)

21. Minutes of Use (abbr.)

22. Chemical symbol for xenon

24. Chemical symbol for calcium

25. Chemical symbol for radium

27. Person responsible for program spending (abbr.)

29. Chemical symbol for gadolinium

32. Analog-to-Digital (abbr.)

34. Time Division Multiplexing

36. Attenuator (pl.)

37. Type of spread spectrum that does not use frequency hopping (abbr.)

38. Morse Code for "from"

39. Miniature RF connector

41. Programmable logic device type (abbr., pl.)

43. Unit of volume (abbr.)

44. Gallium nitride chemical symbol

45. Chemical symbol for einsteinium

48. Chemical symbol for thallium

49. Counter ElectroMotive Force (abbr.)

52. Unit for 1,000,000 watt-seconds (abbr.)

53. Region of Earth's atmosphere between the ground and the ionosphere

56. Semiconductor lamp

57. Governmental agency that monitors pollution (abbr.)

58. Band between RF and BB

59. Asynchronous Digital Subscriber Line (abbr.)

60. Described by a 1st-order equation

63. Electromagnetic (abbr.)

64. On-the-air meeting of hams at a set time, day and radio frequency

66. Lubricant

67. PCB mask exposing ray (abbr.)

68. Constellation : The twins

71. Electricaly Alterable Read Only Memory

74. Chemical symbol for mercury

75. 300 MHz to 3 GHz

77. Positive voltage lead color

78. Chemical symbol for lawrencium

79. Curve traced out by a point which moves around another point with an ever increasing radius

81. Type of data conversion device (abbr., pl.)

84. 30 kHz to 300 kHz

85. Science of assuring operation amid dense EM background noise (abbr.)

86. Type of secondary radar system (abbr.)

87. Part of a phase discriminator

89. Chemical symbol for molybdenum

90. An abbreviation for "transmitter"

92. Chemical symbol for thulium

93. Chemical symbol for silicon

94. Unit of energy

96. Chemical symbol for silicon

97. Do a total memory transfer

99. The cell band above DCN

101. Unit of time (abbr.)

102. RF integrated circuit (abbr.)

105. The "V" in VLF

106. Parts per million (abbr.)

108. Chemical symbol for berkelium

110. Switch position

111. System for guiding aircraft (abbr.)

113. Front edge of a wing (abbr.)

114. Chemical symbol for praseodymium

115. Filter type that blocks lower frequencies (abbr.)

117. Temporary Engineering Change document (abbr.)

119. Slang for when a professor hints at an exam problem (abbr.)

121. Chemical symbol for ruthenium

123. Automaton

126. Peripheral Component Interface (abbr.)

128. Undesirable property of an insulator (2 wds.)

129. A series of numbers where there are as many numbers above it as below it in the series

1. Part of a directive antenna that derives energy from mutual coupling with the driven element (2 wds.)

2. 3 MHz to 30 MHz

3. Ovenized crystal oscillator (abbr.)

4. Bandwidth (abbr.)

5. ECM response

6. Modulation type (abbr.)

7. A quadrilateral that has its opposite sides parallel

8. Chemical symbol for rubidium

9. Temporary Engineering Change document (abbr.)

10. Angular speed unit

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

12. Compressed image file formats

13. Chemical symbol for thulium

14. Unit of weight

15. Chemical symbol for europium

18. 10E1 numerical prefix

23. Radio signals from the cosmos (abbr.)

26. Agilent's (now Keysight) EE design software (abbr.)

28. Type of current flow (abbr.)

30. Type of high speed Internet service (abbr.)

31. He flew a kite with a key in a Leyden jar (2 wds.)

33. Decimeter (abbr.)

35. Logarithmic ratio (abbr.)

36. Radio signal route (pl.)

37. Type of current

38. Reduce the amount of response overshooting

40. Chemical symbol for beryllium oxide

42. Chemical symbol for helium

43. Chemical symbol for californium

46. Solid figure that has every point on its surface equidistant from its center

47. Country of RF Cafe's residency

49. Relating to cell phones

50. Makers of components

51. Connector vendor, now owned by FCI in St. Louis, Missouri

54. Part of this website's title

55. BlackBerry or Palm for example (abbr.)

56. Chemical symbol for lanthanum

61. 1.602E-19 Joules

62. Greek letter used for resistance (pl.)

64. Chemical symbol for neptunium

65. Part of a FOR loop

69. Chemical symbol for erbium

70. Opposite of O.D.

72. Strong cable coverings

73. Stock symbol for Microsoft

74. Opposite of a LO

76. Wire diameter unit (abbr.)

80. Unit of capacitance (abbr.)

82. Type of load used in place of an antenna during transmitter testing

83. Add two or more inputs

84. Local Oscillator (abbr.)

88. End of soldering iron

90. Greek letter

91. Semiconductor and calculator company (abbr.)

95. Beat frequency oscillator (abbr.)

96. Chemical symbol for scandium

97. Keyboard key

98. Filter type that blocks frequencies below and above a specified band (abbr.)

100. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)

103. Stock symbol for Intel

104. Network department (abbr.)

106. Type of data storage IC (abbr.)

107. Unit of inductance (abbr.)

109. Mr. de Forest's first name

111. Airport Surveillance Radar (abbr.)

112. Error checking scheme (abbr.)

114. Chemical symbol for lead

116. Computer monitor resoultion measure (abbr.)

117. Semiconductor and calculator company (abbr.)

118. Chemical symbol for chlorine

120. Unit of liquid measure (abbr.)

122. Electrical safety organization (abbr.)

124. Unix, Linux or Windows (abbr.)

125. Test equipment (abbr.)

127. Chemical symbol for calcium

See solution below


2021 Crosswords Archive

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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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

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