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Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

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

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Microwave Engineering Theme Crossword Puzzle
July 18th, 2021

This Wireless Engineering Theme Crossword Puzzle for July 18th 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

Wireless Engineering Theme Crossword Puzzle for July 18th, 2021 - RF Cafe

ACROSS DOWN
1. Software language by Borland (now Embarcadero)

5. Did not pass electrical test

10. Device used to contact areas on bare semiconductor circuits (2 wds.)

19. Chemical symbol for radium

20. Small unit of capacitance (abbr.)

22. Transformer interwinding connections

23. 6.02x10E23 of anything

24. Color code for the number 6 (pl.)

26. PC follower

28. Basic oscillator configuration that incorporates a crystal

32. Part of this website's title

33. Morse Code for "from"

34. Unit of frequency (archaic, abbr.)

36. Logarithmic unit of power

37. Filter type that blocks frequencies in a specified band (abbr.)

38. Software engineering tool (abbr.)

40. Chemical symbol for neptunium

41. Intel 8086 or Motorola 6800 (abbr.)

43. Circumference/pi

47. Constellation : The lion

48. Chemical symbol for calcium

50. International phonetic alphabet letter "A"

53. A method of sending Morse code characters

55. CB slang for CB radio or antenna

56. High Data Rate

57. Dimension from wing LE to TE

59. European equivalent to the U.L.

60. Product of power and time

62. Amateur radio abbreviation for the Oceania region (abbr.)

63. Frequency Division Duplex

64. Half of a DIP

66. Precipitates

71. A common battery cell size

72. Unit of frequency (archaic, abbr.)

73. Metric system (abbr.)

75. Volume unit (abbr., pl.)

76. Opposition to the flow of an electrical current

78. Time Division Multiplexing

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

80. Chemical symbol for lanthanum

81. Precision landing system (abbr.)

82. Mate to a pin

83. Powers pneumatic devices

84. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr., pl.)

85. Chemical symbol for europium

86. Impurity in a semiconductor

88. Chemical symbol for radon

90. Image file format name extension, (pl.)

92. Circuit element connecting PCB layers

93. Society of Civil and Structural Engineers (abbr.)

95. _____ _____ - popular author on engineering situations (first & last name)

100. Image

102. Chemical symbol for argon

103. Logic family (abbr.)

105. Boring implement (2 wds.)

106. A common RS-232 serial bus command (abbr.)

107. Chemical symbol for iron

109. Television Interference (abbr.)

111. Chemical symbol for einsteinium

112. Software layer that allows a system to be programmed via a defined set of commands (abbr.)

114. Radio signals from the cosmos (abbr.)

115. Army-Navy specification prefix

116. Sound frequency in the human hearing range (abbr.)

117. Metal or plastic rod that connects a potentiometer wiper to a knob (pl.)

121. Chemical symbol for manganese

122. Use a squeezing tool for attaching a wire lug

124. Automatic Packet Position Reporting System (abbr.)

127. Frequency division multiple access (abbr.)

129. 1.602E-19 Joules

130. Centimeter (abbr.)

132. Short-lived voltage or current excursion (pl.)

133. Power meter circuit configuration

134. Plus or minus, for example

2. Chemical symbol for erbium

3. Polish a crystal to an exact frequency

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

6. PC follower

7. International Amateur Radio Union (abbr.)

8. Filter type that blocks upper frequencies (abbr.)

9. Chemical symbol for einsteinium

10. Write-Once (abbr.)

11. Chemical symbol for aluminum

12. 10E-15 numerical prefix

13. Chemical symbol for rubidium

14. Programmable Logic Device (abbr.)

15. Rare earth laser material

16. Original Equipment Manufacturer (abbr.)

17. Filter type that blocks frequencies in a specified band (abbr.)

18. A Network of automated packet radio stations for disseminating DX and contest reports (2 wds.)

21. A BPF specification (abbr.)

23. A type of average

25. Inadvertent impression of a signal onto an adjacent conductor (2 wds.)

27. Chemical symbol for tantalum

29. One port of an amplifier

30. Governmental agency that monitors pollution (abbr.)

31. International phonetic alphabet letter "E"

33. The "D" in DC

35. The largest asteroid

37. Digital transmission figure of merit (abbr.)

39. Reflected radar or sonar signal (pl.)

42. Astronomical distance of 3.26 light years

43. Type of data conversion device (abbr.)

44. 1E6 nanoseconds

45. Modern battlefield technique (abbr.)

46. Stock symbol for Raytheon

47. Direction of carbon fiber strands

49. Type of data conversion device (abbr.)

51. Smartphone display (abbr., pl.)

52. It can follow an MS

54. Part of a screw that engages the driver (pl.)

55. Enhanced Graphics Adapter

58. Plane circular area

61. Type of data storage IC

63. An overcurrent protection device (pl.)

65. Type of chart

67. A common battery cell size

68. Volt, meter, pint, pound, eg.

69. Code used for automating software task

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

72. Chemical symbol for krypton

74. Chemical symbol for gallium

75. 3 kHz to 30 kHz

76. Read-only (abbr.)

77. Alter the relations between the parts of a structure or shape by applying an external force

78. The "T" in ATE

79. Unit of liquid volume

81. U.K. equivalent of the IEEE

82. Retain a charge

84. Variable Frequency Oscillator

85. Electronics Industry Association (abbr.)

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

87. Imaging device (abbr.)

89. Nordic Mobile Telephone

91. Type of spread spectrum that does not use direct sequence spreading (abbr.)

94. A common RS-232 serial bus command (abbr.)

96. Largest moon of Saturn

97. Chemical symbol for thallium

98. Chemical symbol for aluminum

99. Sound-pressure level derived using A-weighting (pl)

101. Switch position

104. Quantum electron property

106. Stock symbol for RF Micro Devices (now Qorvo)

108. Radio signals from the cosmos (abbr.)

110. Abbreviation for minimum voltage

112. Amateur Radio Association (abbr.)

113. International Microwave Symposium (abbr.)

116. Ticker symbol for Analog Devices

118. Chemical symbol for helium

119. A feedback scheme to level out the receiver audio volume (abbr.)

120. Special diode type that can be switched (abbr.)

122. Chemical symbol for chromium

123. Ratio of circumference to diameter

125. Chemical symbol for platinum

126. Type of flip-flop

127. Chemical symbol for francium

128. Chemical symbol for silver

131. Chemical symbol for magnesium


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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Wireless Engineering Theme Crossword Solution for July 18th, 2021 - RF Cafe

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