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About RF Cafe

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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Radio Themed Crossword Puzzle
October 4th, 2020

October 4th's custom Radio themed crossword puzzle contains only only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. (1,000s of them). You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, find someone or something in the otherwise excluded list directly related to this puzzle's technology theme, such as Hedy Lamarr or the Bikini Atoll, respectively. The technically inclined cruciverbalists amongst us will appreciate the effort.

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.


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

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words


Engineering Themed Crossword Puzzle for October 4th, 2020 - RF Cafe

 

ACROSS DOWN
1. La Place, Z-, or Fourier

6. Use a switched capacitor to boost the voltage of a node

11. Chemical symbol for antimony

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

13. End of Life (abbr.)

14. Intermodulation (abbr.)

15. Unit of length (abbr.)

17. Test equipment (abbr.)

18. Termination

21. Chemical symbol for polonium

23. Chemical symbol for chromium

24. __ + 39 Across, this website's title

25. Interpreted encoded data

29. Form of digital phase modulation in which the phase of the RF signal depends on the modulating code (abbr.)

31. Armored cable type

32. Gun safety and education organization (abbr.)

33. Chemical symbol for berkelium

35. Prefix used on many MIL-SPEC components

37. Type of current flow (abbr.)

39. 24 Across + ____, this website's title

41. Type of matrix barcode used with laser scanning(abbr.)

42. Stock symbol for Conexant

44. Morse Code for "from"

45. Chemical symbol for thallium

46. Imaging device (abbr.)

47. "Texting" (abbr.)

49. Ratio of circumference to diameter

50. Chemical symbol for manganese

52. Chemical symbol for nobelium

54. Chemical symbol for aluminum

55. Front edge of a wing (abbr.)

56. Chemical symbol for niobium

57. Opposite of I.D.

58. Parts distributor in Newark, NJ

61. Communication type that method makes use of electromagnetic waves

63. Chemically reacts to harden

66. Logic family (abbr.)

67. Chemical symbol for beryllium

68. Network file transfer protocol (abbr.)

70. High-speed multimedia (abbr.)

72. Electronics Industry Association (abbr.)

74. Radio-Electronics-Television Manufacturer's Association

76. Maximum Usable Frequency

78. Adjusts a pot

80. Facility where semiconductors are manufactured

83. Chemical symbol for radium

85. Stock symbol for Harris Communications

87. Volts, meters, pints, pounds, eg.

88. Aircraft tracking system

91. Lowest operational frequency of a waveguide

93. Write-Once (abbr.)

94. Chemical symbol for tantalum

95. Electromagnetic (abbr.)

96. Akin to an EE, CE, AE, etc.

97. S12 or S21 (abbr.)

98. A BPF specification (abbr.)

100. Chemical symbol for mercury

101. Synchronous Digital Hierarchy

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

105. Decimeter (abbr.)

106. Read-only (abbr.)

108. Ultra Fine Pitch Technology (abbr.)

110. Schema for computer or device presentation to the operator (abbr.)

111. Thing in a bill of material

112. A common battery cell size

113. File name extension for an ASCII file

115. Chemical symbol for silicon

116. Resistive component of a capacitor's lumped element model (abbr.)

119. Unit of length (abbr.)

121. Ham's code for "Can you copy me?"

124. A type of jet fighter

127. 1/000 of an amp (abbr.)

128. Type of current flow (abbr.)

129. Start frequency (abbr.)

130. Attenuator (pl.)

131. Chemical symbol for tin

132. Chemical symbol for strontium

134. Chemical symbol for radon

137. Transformer interwinding connection

138. Chemical symbol for lithium

139. Mate to a TX

140. Parabolic antenna-to-waveguide interface component (pl.)

141. Separates AC from DC

1. Chemical symbol for terbium

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

3. Chemical symbol for selenium

4. Performs a disk operation

5. Most frequently occurring number in a series of numbers

7. Type of logic gate

8. Semiconductor and calculator company (abbr.)

9. Type of component package (abbr.)

10. Max or min voltage of a waveform (abbr.)

11. Mathematical operation

16. Attractive and repulsive forces produced by electric charge in motion

17. Ham abbreviation for transceiver

18. 30 kHz to 300 kHz

19. Telex-Over-Radio (abbr.)

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

21. Min-to-max voltage of a waveform (abbr.)

22. Unix, Linux or Windows (abbr.)

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

24. A disk operation

26. Carrier-to-noise ratio (abbr.)

27. Caused a voltage or current waveform to gradually die out

28. Relative power level unit (abbr.)

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

34. Adjustment dial

36. Analog-to-Digital (abbr.)

38. Chemical symbol for chlorine

39. Unit of volume (abbr.)

40. Chemical symbol for einsteinium

41. Ham's code for "Can you acknowledge receipt?"

43. Chemical symbol for thulium

46. Competitive event where Hams ply their skills against each other for points

48. Person who designs and builds high tech products as a hobby

51. Logical gate type (pl.)

53. Intel x86 command for " jump if above"

55. Chemical symbol for lanthanum

56. Logical negation operator

59. Voltage-current phase mnemonic

60. Chemical symbol for rubidium

61. Device attached to an antenna mast which rotates it so that the antenna can point in different directions

62. Band between RF and BB

64. Integrated radio front-end for the 300 MHz to 3 GHz band (abbr., 2 wds.)

65. Electromotive force (abbr.)

69. Related to FM by a differential

71. Base of the decimal number system

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

75. Emitted a flash during electrical discharge

77. 300 MHz to 3 GHz

78. Removes

79. Image file format name extension

81. Amateur Radio Association (abbr.)

82. Stock symbol for Boeing

84. Chemical symbol for gold

86. Early printer type (2 wds.)

89. Name of the unit of angular measurement equal to one ninetieth of a right angle

90. Modulation type (abbr.)

92. Part of a FOR loop

94. Uppermost surface (pl.)

96. Degree of IC sophistication (abbr.)

99. Chemical symbol for copper

102. Opposite of a LO

103. Active Electronically Scanned Array (abbr.)

104. Abbreviation for minimum voltage

105. 10E1 numerical prefix

107. Unix, Linux or Windows (abbr.)

109. Service of the ARRL that helps hams solve technical problems (abbr.)

110. Internet address (abbr.)

114. "Calling any amateur radio station"

117. Crystal filter type (abbr.)

118. Use a filter to assure the spectral content of transmitted signal

119. Cooling device

120. Coefficient of temperature (abbr.)

122. A measure of receiver quality (abbr.)

123. JavaScript (abbr.)

125. Time delay (abbr.)

126. Attenuator topology (hyph.)

127. 1E6 nanoseconds

131. Half of a DIP

133. Part of this website's title

134. Chemical symbol for rhodium

135. Chemical symbol for nobelium

136. One port of an amplifier

138. Chemical symbol for lutetium

139. Type of flip-flop

See solution below

2020 Crossword Puzzle 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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Engineering Themed Crossword Puzzle Solution for October 4th, 2020 - RF Cafe

Amplifier Solutions Corporation (ASC) - RF Cafe
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