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Radio Theme Crossword Puzzle
May 9, 2021

This Radio Theme Crossword Puzzle for May 9th has many words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. Also, it contains at least six (6) instances of this puzzle's theme word. 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., Reginald Denny or the Tunguska event in Siberia). 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

Radio Theme Crossword Puzzle for May 9th, 2021 - RF Cafe

ACROSS DOWN
1. Connected to a transformer interwinding point

5. Apple's popular cellular communications device

10. One port on a BJT (pl.)

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

20. Galilean moon

22. RF engineer's degree

23. Compliment to a pole in a transfer function

24. Communication type that method makes use of electromagnetic waves

26. Modern battlefield technique (abbr.)

28. Change from a "1" to a "0"

32. Unit of length (abbr.)

33. Electronics manufacturer with "meatball" logo

34. Type of flip-flop

36. Nuclear explosion byproduct harmful to electronics (abbr.)

37. 10E1 numerical prefix

38. Type of logic gate

40. Chemical symbol for polonium

41. Angular speed unit

43. WWW browser

47. Largest broadcaster in the UK (abbr.)

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

50. Similar to a laser, but at lower frequencies

53. Like RFCafe.com (2 wds.)

55. Isolator or circulator ferrous component

56. Keyboard key

57. Alloy of iron and low percentages of carbon, manganese, chromium, etc.

59. Chemical symbol for nickel

60. Transitioned from solid to liquid phase

62. Multifunctional silicon devices (abbr.)

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

64. Half of a DIP

66. Rechargeable battery type (abbr., pl.)

71. Input intercept point (abbr.)

72. Chemical symbol for platinum

73. Constellation : The lion

75. Person responsible for program spending (abbr.)

76. One half of a circle

78. Silicon transistor type

79. Radio Amateurs of Canada (abbr.)

80. Unix, Linux or Windows (abbr.)

81. Type of logic gate

82. Typical bandwidth of a directional coupler

83. Type of computer display (abbr.)

84. Period between radar transmitter's output waveform (abbr.)

85. Chemical symbol for radium

86. Circuit configuration whereby all current from a source flows through a single path

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

90. Communication type that method makes use of electromagnetic waves

92. Electronic component package type (abbr.)

93. 10E-1 numerical prefix

95. Generates a periodic signal

100. Things in a bill of material

102. Chemical symbol for silicon

103. Type of digital filter (abbr.)

105. Emits electromagnetic energy

106. Ham's code for "Is my transmission being interfered with?"

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

109. One port of an amplifier

111. 1e-6 mA

112. Singulated piece of IC wafer

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

115. Chemical symbol for erbium

116. A BPF specification (abbr.)

117. Nuclear reaction that powers both the sun and a hydrogen bomb

121. Chemical symbol for iron

122. Communication type that method makes use of electromagnetic waves

124. Adjacent Channel Power Ratio (abbr.)

127. One type of electron spin

129. Network department (abbr.)

130. Coefficient of temperature (abbr.)

132. Plane figure that has four straight sides, and four right angles (pl.)

133. Unit of capacitance (pl.)

134. Radio navigation reference signal

2. ampere-hour (abbr.)

3. Computer monitor resolution measure (abbr.)

4. Singulated piece of IC wafer

6. Chemical symbol for lead

7. High-speed multimedia (abbr.)

8. Original Equipment Manufacturer (abbr.)

9. Chemical symbol for neon

10. European equivalent to the U.L.

11. Type of logic gate

12. Long Range Aid to Navigation

13. Chemical symbol for erbium

14. Software engineering tool (abbr.)

15. Time Division Multiple Access

16. Output intercept point (abbr.)

17. Read-only (abbr.)

18. Inserting an inductor at the center of an antenna to achieve a lower resonant frequency (2 wds.)

21. Type of logic gate

23. 6th Greek letter

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

27. Write-Once (abbr.)

29. Chemical symbol for neptunium

30. Volt-ohmmeter (abbr.)

31. Technical drawing structure

33. Constellation : The twins

35. Send junk e-mail

37. Relative power level unit (abbr.)

39. Communication type that method makes use of electromagnetic waves

42. A digital counter input line to establish an initial value

43. Negation prefix

44. Chemical symbol for silicon

45. Cyanide (abbr.)

46. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

47. Manufacturer of project boxes

49. Method of self-detection and self-fixing transmission of digital data (abbr.)

51. Material testing organization (abbr.)

52. Official Space Shuttle designation (abbr.)

54. Type of high-tech data gathering system (abbr.)

55. Peak envelope power (abbr.)

58. International phonetic alphabet letter "L"

61. End of soldering iron

63. Communication type that method makes use of electromagnetic waves

65. Peak Inverse Voltage

67. International Reply Coupon (abbr.)

68. Co-channel rejection ratio (abbr.)

69. Brightest star in the Aquila constellation

70. Morse Code for "from"

72. Last stage in a transmitter (abbr.)

74. Chemical symbol for einsteinium

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

76. Chemical symbol for scandium

77. Middle

78. Type of data storage IC (abbr.)

79. Communication type that method makes use of electromagnetic waves

81. Anatech Electronics Inc., (abbr.)

82. International phonetic alphabet letter "O"

84. Type of chart

85. Common average used for sinewaves (abbr.)

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

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

89. Akin to EEs, CEs, AEs, etc. (abbr., pl.)

91. Dual Tone Multi-Frequency

94. Electronics Industry Association (abbr.)

96. Theoretical

97. Chemical symbol for lithium

98. Chemical symbol for lanthanum

99. Automatic Testing, Evaluation & Reporting (abbr.)

101. Semiconductor On Insulator (abbr.)

104. This calculus operation yields voltage across a capacitor

106. Organization requiring 25 years of amateur service for membership, abbr.

108. Chemical symbol for cobalt

110. Unit of capacitance (abbr.)

112. Type of data conversion device (abbr.)

113. Electronics Industry Association (abbr.)

116. BASIC looping keyword

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

119. Half of DSB

120. Negative temperature coefficient (abbr.)

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

123. Switch position

125. European equivalent to the U.L.

126. Unit of time (abbr.)

127. 10E1 numerical prefix

128. Chemical symbol for neodymium

131. Chemical symbol for cobalt


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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Radio Theme Crossword Solution for May 9th, 2021 - RF Cafe

Amplifier Solutions Corporation (ASC) - RF Cafe
Exodus Advanced Communications Best in Class RF Amplifier SSPAs
everythingRF RF & Microwave Parts Database - 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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