February 1, 2009 Engineering & Science Crossword Puzzle

Take 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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Cruciverbalist:

A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
ACROSS 1. The most distant point of an orbit from the earth 7. Cause to be smaller 12. Miniature threaded RF connector 13. Constellation : The little bear 14. Singulated piece of IC wafer 16. Test equipment manufacturer, now Agilent 17. Java server pages, abbr. 18. System On Chip 20. Chemical symbol for aluminum 21. Bands between RF and baseband 22. _____ Instruments, a programmable delay line manufacturer in Bellevue, WA 23. Attenuator 25. What current is said to do, past tense 28. Parts in a kit, pl. 30. Chemical element abbreviated Sn 31. Test Equipment Connection, in Lake Mary, FL 33. Prefix used on many MIL-SPEC components 34. Signal-to-noise ratio, abbr. 35. Chemical symbol for tin 37. Pertaining to Boolean operations 39. Chemical symbol for calcium 40. He united electricity and magnetism into the concept of the electro-magnetic field 41. Semiconductor and calculator company, abbr. 42. Radiating device 44. 10^1 numerical prefix 46. Automated Test Equipment 48. Official Space Shuttle designation, abbr. 49. Global System for Mobile Communications 51. Describes the action of cleaving a crystal plane 52. Part of CRC 54. Describes an amplifier capable of tolerating any complex source/load impedance 56. Mr. de Forest's first name 57. Terminations 58. Upper Sideband 59. Chemical symbol for neptunium 61. Direct Memory Access 63. Antenna, abbr. 64. Type of current flow 65. Adjust a pot 67. Using minimum resources 70. Abbreviation for acknowledge (also a common word for Bill the Cat) 71. ______ Monolithics, MIC/MMIC designers in Frederick, MD 72. Similar to a laser, but at lower frequencies, pl.	DOWN 1. Unit of current 2. Last stage in a transmitter, abbr. 3. Triangular joint filler added for strength 4. Effective Radiated Power 5. Chemical symbol for einsteinium 6. Amplifier vendor in Souderton, PA 7. Chemical symbol for radon 8. Electrical overstress, abbr. 9. Form/fit/function replacement 10. Chemical symbol for cadmium 11. Electronics Industry Association 12. Metal or plastic rod that connects a potentiometer wiper to a knob, pl. 15. RF and microwave systems and subsystems vendor in NY 17. RF switch & attenuator manufacturer in Indianapolis, IN 19. Software engineering tool, abbr. 21. Charged particle 24. Cellphone band below PCS; Digital Communication System 26. Characteristic of a system that produces no new frequency content 27. Keyboard key 28. Programmable logic device, abbr. 29. Moon of Saturn discovered in 1789 32. Apollo 11 astronaut Michael _______ 33. Intentionally blocking communications signals 36. Theoretical 38. exponent 41. Radio navigation systems 42. Capacitor manufacturer in Huntington Station, NY 43. Automatic Send-Receive 45. Capture leading edge of a signal 47. High-speed logic family 48. Unit of conductance 50. Logs onto a hard drive 51. Mr. Piper's famous yellow airplane 53. Semiconductor lamp 55. Base Station Transceivers 60. Peak Envelope Power 62. Colorado Springs military school, abbr. 63. Automatic network analyzer, abbr. 64. Applied Computational Sciences, abbr. 66. Chemical symbol for thallium 68. Chemical symbol for francium 69. 1/6 inch printer's measure; Electromagnetic 70. Chemical symbol for argon
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