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Electrical Engineering Radio Crossword Puzzle
July 19, 2020

July 19th's custom Electrical Engineering crossword puzzle contains some words particular to radio, radar, analog and digital circuits, components, and other tech-themed words and clues. Each week for two decades I have created a new technology-themed crossword puzzle using only words (1,000s of them) from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. 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. Avid cruciverbalists amongst us: the gauntlet has been thrown down.

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

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

Electical Engineering Crossword Puzzle for July 19, 2020 - RF Cafe


1. He explained why the sky appears blue

6. Bandwidth (abbr.)

9. Digital voltmeter (abbr.)

11. Electrical safety organization (abbr.)

12. Online service

13. Chemical symbol for lithium

16. Unit of inductance (abbr.)

18. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

19. Low Noise Amplifier (abbr.)

22. A measure of receiver quality (abbr.)

23. Unit of inductance (abbr.)

24. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr.)

25. The "E" in TEM

28. Printer output resolution unit (abbr.)

30. Galilean moon

31. Charged particle

32. Power supply vendor in Andover, MA

33. Type of transistor (abbr., pl.)

35. S12 or S21 (abbr.)

36. Antenna radiated power measurement (abbr.)

37. U.S. military organization (abbr.)

38. Chemical symbol for mendelevium

41. A common battery cell size

42. Electronics Industry Association (abbr.)

45. ____RF, passive RF component manufacturer in Huntersville, NC

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

49. Number system which uses only the digits 0 to 7

50. Software device for tracking elapsed time

51. Prefix used on many MIL-SPEC components

52. Read-only (abbr.)

53. Automatic network analyzer (abbr.)

55. Network controllers

58. An overcurrent protection device

60. Semiconductor and calculator company (abbr.)

61. Network department (abbr.)

63. Error checking scheme (abbr.)

64. The "D" in DC

65. Front edge of a wing (abbr.)

68. Ratio of circumference to diameter

69. Logarithmic unit of ratio (abbr., pl.)

72. Opposite of a LO

74. Negation prefix

75. Intermodulation (abbr.)

76. Branch of the military with airborne laser weapon (2 wds.)

1. Type of memory

2. Chemical symbol for lutetium

3. 30 Hz to 300 Hz

4. Chemical symbol for gallium

5. Chemical symbol for holmium

7. A processed or unprocessed semiconductor substrate

8. Wireless LAN

10. Magnetic field inhibitor

14. Type of secondary radar system (abbr.)

15. Transfer charge w/o physical contact

17. Gary Breed's fine magazine on RF & microwaves topics (abbr.)

19. 30 kHz to 300 kHz

20. Chemical symbol for argon

21. Constellation : The lion

23. One type of electron spin

26. Constellation : The scales

27. Image file format name extension

28. Cyanide (abbr.)

29. The lowest region of the ionosphere found approximately 30 to 60 miles above Earth (1 ltr. + 1 wd, hyph.)

31. Prevent the direct physical transfer of signals from one point to another

32. Abbreviation for minimum voltage

34. Time delay (abbr.)

35. International Microwave Symposium (abbr.)

39. Precision approach radar (abbr.)

40. One axis of an ellipse

41. Cooling process whereby portion of the heat shield burns away

43. Type of current flow (abbr.)

44. Meet all test requirements

46. Containing a contaminant

47. Infrared (abbr.)

51. Intel x86 command for " jump if above"

52. Government program to bring electricity to farms (abbr.)

54. Chemical symbol for nickel

56. Computer character set (abbr.)

57. Shortwave listener (abbr.)

58. A BPF specification (abbr.)

59. Chemical symbol for scandium

61. Input intercept point (abbr.)

62. Cause a circuit breaker to open

66. 30 GHz to 300 GHz

67. Automated Test Equipment (abbr.)

70. Stock symbol for Boeing

71. Chemical symbol for silicon

73. Satellite of Jupiter discovered by Galileo

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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Electrical Engineering Crossword Solution for July 19, 2020 - 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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