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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...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

Science Theme Crossword Puzzle
October 24, 2021

This Science Theme Crossword Puzzle for October 24 has many words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. The letter "P" figures Prominently in this crossword. 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

Science Theme Crossword Puzzle for October 24th, 2021 - RF Cafe

ACROSS DOWN
1. A quadrilateral that has its opposite sides parallel
10. Test point (abbr.)
12. Miniature threaded RF connector
13. Chemical symbol for nobelium
14. Cellphone band just below PCS
15. Synchronous Digital Hierarchy
16. Unit of magnetic flux(abbr.)
18. High Definition Television
20. Half of a DIP
22. Chemical symbol for molybdenum
23. Effective Radiated Power (abbr.)
24. Met all test requirements
26. Common shorthand reference for a capacitor
27. Part of this website's title
28. Spurious RF products created by metal joints (abbr.)
29. Max or min voltage of a waveform (abbr.)
30. Local Oscillator (abbr.)
31. Short for potentiometer
32. Chemical symbol for lithium
34. Attenuator
35. Unit of inductance (abbr.)
37. Coefficient of temperature (abbr.)
38. One type of electron spin
39. Chemical symbol for silicon
41. Electronics manufacturer with "meatball" logo
42. Type of e-mail address system (abbr.)
43. Ratio of circumference to diameter
44. Half of a DIP
45. Min-to-max voltage of a waveform (abbr.)
47. Chemical symbol for palladium
48. Uppermost surface
49. Akin to an EE, CE, AE, etc.
50. Peak Inverse Voltage
52. Ceramic Dual Inline Package
56. Common plastic insulation type (abbr.)
57. Galilean moon
59. Type of chart
61. Telephony over computer networks
63. PC follower
64. 30 GHz to 300 GHz
65. 2 x SSB
67. Unix, Linux or Windows (abbr.)
68. List of answers to commonly desired information about a product or service (abbr.)
70. Type of component package (abbr.)
71. A Network of automated packet radio stations for disseminating DX and contest reports (2 wds.)
1. Unit or circuit that provides electrical power to a circuit (2 wds., pl.)
2. Type of flip-flop
3. Unit of current
4. Chemical symbol for lanthanum
5. Last keyword in a BASIC subroutine (pl.)
6. Sample groups
7. Chemical symbol for gadolinium
8. Effective frontal area presented to a microwave interrogation system (abbr.)
9. Application Specific Integrated Circuit (abbr.)
10. Time Division Multiplexing
11. Semiconductor device that varies its transconductance according to light intensity
17. Notch type filter (abbr.)
18. Amateur radio enthusiast
19. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)
21. Attenuator
24. Audible frequency
25. Printer resolution abbreviation
28. Short for potentiometer
30. Be behind in phase
32. Filter type that blocks upper frequencies (abbr.)
33. Thin Shrink Small Outline Package (abbr.)
36. Communication between stations by reflecting the radio waves off of the ionosphere
38. Schema for computer or device presentation to the operator (abbr.)
40. Input intercept point (abbr.)
43. Personal Digital Cellular
46. Output intercept point (abbr.)
48. End of soldering iron
49. Very large unit of apparent power (abbr.)
51. ____RF, passive RF component manufacturer in Huntersville, NC
53. 1.602E-19 Joules
54. One factor of a polynomial
55. The "D" in CD
58. Unit of resistance
60. A keyboard key
62. Last stage in transmitter (abbr., pl.)
66. Chemical symbol for berkelium
68. Upper frequency (abbr.)
69. Unit of liquid measure (abbr.)

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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Science Theme Crossword Solution for October 24th, 2021 - RF Cafe

Copper Mountain Technologies (VNA) - RF Cafe
Innovative Power Products Passive RF Products - RF Cafe
Exodus Advanced Communications Best in Class RF Amplifier SSPAs
 

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