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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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Engineering Theme Crossword Puzzle
January 3, 2021

This first Engineering Crossword Puzzle of 2021 has many words and clues related to... you guessed it... engineering - and 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

Filter Theme Crossword Puzzle for January 3, 2021 - RF Cafe

ACROSS DOWN
1. Graph type used to plot immittance (2 wds.)
8. Release volatile products from a liquid coating such as paint
13. Unit of inductance (abbr.)
14. Active Electronically Scanned Array (abbr.)
15. Circuit that reduces interference (abbr.)
16. Ticker symbol for Analog Devices
17. Apollo 11 astronaut Buzz ______
19. The "C" in CPS
20. Ratio of circumference to diameter
21. "Texting" (abbr.)
23. Nuclear explosion byproduct harmful to electronic (abbr., pl.)
25. French mathematician and physicist who's name is used as a unit of gas pressure
30. Semiconductor On Insulator (abbr.)
31. Fairchild Advanced Schottky TTL (abbr.)
32. The UK's equivalent of the FCC
33. Chemical symbol for magnesium
34. CRT electron beam scan type
35. Finite-Element Model
36. Uses a squeezing tool for attaching a wire lug
41. Resistive component of a capacitor's lumped element model (abbr.)
42. 1e-6 mA
43. Wrapped plastic insulation around an electrical joint
44. Intermodulation (abbr.)
46. Radio signals from the cosmos (abbr.)
47. Opposite of I.D.
48. Transformer interwinding connection
52. Chemical symbol for cobalt
53. Greek letter
55. The "R" in BER
57. Facility where semiconductors are manufactured
59. Infrared (abbr.)
60. Greek letter
61. Measure of source / load mismatch (abbr.)
62. One type of electron spin
63. ___/IP scheme for networked connectivity
65. Measure of source/load match
66. Mass unit (abbr., pl.)
67. Unit of inductance (abbr.)
68. Online service
69. Application Specific Integrated Circuit (abbr.)
72. Time taken for one complete oscillation of a vibrating object
77. Charged particle
79. Volume unit (abbr.)
81. Science of light transmission
83. Mr. Piper's famous yellow airplane
84. Antenna (abbr.)
85. 3-D geometrical figure that is symmetrical about each of three perpendicular axes, and has circular sections along one axis and elliptical sections along the others (pl.)
86. Structures of columns and rows
1. Ratio of filter's stopband bandwidth (usually 60 dB) to its passband bandwidth (usually 3 dB) (2 wds.)
2. Intermodulation distortion (abbr.)
3. Aerodynamic force opposing drag
4. Units of luminosity
5. Chemical symbol for helium
6. File name extension for an ASCII file
7. Straight line eminating from a point source
8. Exponent that returns the original number
9. FCC's Universal Licensing System (abbr.)
10. Karl Friedrich _____, after whom the unit of magnetic field strength is named
11. Analog-to-Digital (abbr.)
12. Name given to a set of practices designed to improve manufacturing processes and eliminate defects (2 wds.)
15. Chemical symbol for aluminum
18. International phonetic alphabet letter "L"
22. Product of force x distance from a point (pl.)
24. Unit of time (abbr.)
25. It is the "P" in S2P
26. Colorado Springs military school (abbr.)
27. Society of Civil and Structural Engineers (abbr.)
28. Commercial Off-the-Shelf
29. Its chemical symbol is Am
37. Aircraft tracking system (pl.)
38. Internet protocol (abbr.)
39. 'Shooting star'
40. BlackBerry or Palm for example (abbr.)
45. Change from one thing into another
46. Describes growth on a crystalline substrate of a crystalline substance that mimics the orientation of the substrate
49. Dot and cross are examples of these
50. Audio Frequency Shift Keying (abbr.)
51. Citizens Broadband Radio Service (abbr.)
54. Doping ions inserted into a semiconductor lattice
56. Code for a type of electrical wire insulation (abbr.)
58. Conductor size unit (abbr.)
64. Chemical symbol for cobalt
65. British term for vacuum tube
70. Semiconductor On Insulator (abbr.)
71. Innovative Power Products, Holbrook, NY (abbr.)
72. Peripheral Component Interface (abbr.)
73. IC killer (abbr.)
74. Multifunctional silicon devices (abbr.)
75. One port of an amplifier
76. Sound-pressure level derived using A-weighting
78. Exponent that returns the original number
80. Electrical safety organization (abbr.)
82. Galilean moon

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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Filter Theme Crossword Puzzle Solution for January 3, 2021 - RF Cafe

Berkeley Nucleonics Academy RF Boot Camp - RF Cafe
KR Electronics (RF Filters) - RF Cafe
Axiom Test Equipment - RF Cafe
 

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