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RF & Microwave Engineering Crossword Puzzle
April 5, 2015
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. =
acronym, abbr. = abbreviation, pl. = plural, wds. = words
| ACROSS | DOWN |
| 1. Chemical symbol for gallium 3. Physical quantity defined as force per unit area 9. Mate a plug to a jack 13. Unit of capacitance (abbr.) 14. Substrate for mounting components (abbr.) 15. Chemical symbol for selenium 17. 300 MHz to 3 GHz 20. Unit of inductance (abbr.) 22. Aerodynamic opposition to thrust 24. Electromotive force (abbr.) 25. Chemical symbol for aluminum 27. Unit of resistance (pl.) 30. Chemical symbol for molybdenum 31. Unit of time (abbr.) 32. Degree of IC sophistication (abbr.) 33. Curve produced when a cone is cut by an oblique plane which does not intersect the base 34. Maximum Usable Frequency 36. Chemical symbol for einsteinium 37. Infrared (abbr.) 38. Intentionally block communications signals 40. An electron tube in which bunching of electrons is produced by electric fields, used in radars & microwave ovens 45. World Amateur Radio Conference 48. Morse Code for "from" 49. BS__ - the degree held by many RF Cafe visitors 50. ECM response 51. Any quadrilateral in which the opposite sides and angles are equal 52. 36 in. (abbr., pl.) 54. With 64 Down, this website's title 56. Time delay (abbr.) 57. Ham's code for "What is your location?" 58. Slang for antenna 63. Automatic Calibration System (abbr.) 64. European equivalent to the U.L. 65. Chemical symbol for erbium 67. Shorthand for electronic magazine 69. Chemical symbol for francium 70. Facsimile 71. One factor of a polynomial 73. Chemical symbol for ytterbium 75. Switch position 76. Chemical symbol for radium 78. Government program to bring electricity to farms (abbr.) 79. Chemical symbol for lutetium 80. ______ House, technical book publisher 81. Pass-through plug-in PCB assembly used to shift functional PCB outside of chassis for probing 82. Min-to-max voltage of a waveform (abbr.) |
1. Bushing used to direct the path of a pushrod 2. Sound frequency in the human hearing range (abbr.) 4. Angular speed unit 5. Reflected radar or sonar signal (pl.) 6. Chemical symbol for antimony 7. Unit of time (abbr.) 8. Positive voltage lead color 10. Adds two or more inputs 11. 30 GHz to 300 GHz 12. Part of this website's title 16. Person responsible for program spending (abbr.) 18. Adjusted 19. Programmable logic device (abbr.) 21. Type of component package (abbr.) 23. "The father of rocketry" 24. Mr. Fermi's first name 26. Chemical symbol for lithium 28. Chemical symbol for helium 29. "Texting" (abbr.) 32. Premier RF/microwave engineering magazine (abbr.) 35. Start frequency (abbr.) 36. Electrical device for registering shaft positions 39. Ticker symbol for Analog Devices 40. User input device for a cellphone (pl.) 41. Semiconductor lamp 42. Chemical symbol for scandium 43. An angle having more than 180 degrees but less than 360 44. Amateur radio abbreviation for the Oceania region (abbr.) 46. Chemical symbol for rhodium 47. Chemical symbol for niobium 53. Official Space Shuttle designation (abbr.) 55. "Calling any amateur radio station" 56. Unit of frequency 58. Chemical symbol for tin 59. Sent a message via Morse Code 60. 3 MHz to 30 MHz 61. Type of logic gate (pl.) 62. Turn on a repeater by transmitting on its input frequency (2 wds.) 64. With 54 Across, this website's title 66. Type of memory 68. Opposite of O.D. 70. Fast Fourier transform (abbr.) 72. Ham abbreviation for transceiver 74. The UK's largest defense electronics contractor (abbr.) 75. Type of logic gate 77. PC follower 78. Chemical symbol for radon 79. Filter type that blocks upper frequencies (abbr.) |
See solution below
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