ACROSS ACROSS 1. Time taken for half the atoms of a radioactive sample to decay 7. Grind to a precise fit 10. Official engineering change document, abbr. 11. 10^1 numerical prefix 13. Electromagnetic interference, abbr. 14. PC follower 15. Min-to-max voltage of a waveform, abbr. 17. Rust 19. Graphics file type, pl. 21. Adjusts a pot 22. Miniature threaded RF connector 24. Chemical symbol for magnesium 26. Army-Navy spec., abbr. 27. Chemical symbol for cobalt 28. Chemical symbol for einsteinium 29. Switch position 31. Ham abbreviation for "distant station" 33. Component of product cost, abbr. 34. Isolator, oscillator vendor in Tampa, FL 36. European spectrum allocation agency, abbr. 39. Miniature RF connector 41. One component of a complex number, abbr. 43. Logarithmic ratio, abbr. 44. Chemical symbol for selenium 45. One port of an amplifier 46. Chemical symbol for silicon 48. 300 Hz to 3 kHz 50. RF connector type 51. Specialty connector manufacturer, in North Andover, MA 53. Quickly changing portion of waveform 56. Property of matter by which it continues in its state of rest or uniform motion in a straight line, unless acted upon by an external force 59. Chemical symbol for calcium 60. Chemical symbol for lawrencium 61. Voice of America 62. Microwave products supplier in San Jose, CA 64. Greek letter 65. Last statement in a program 66. Using electricity | DOWN DOWN 1. Adhesive type that sticks when its temperature is elevated 2. Logic family 3. Local Oscillator 4. Opposite of O.D. 5. Forward Error Correction 6. Official engineering change document, abbr., pl. 7. Low altitude earth orbit satellite, abbr. 8. Stock symbol for Advanced Micro Devices 9. Effect which causes a voltage between the faces of a crystal under mechanical pressure 12. Length times width 15. Related to FM by a differential 16. Shortened version of pk-pk 18. Stock symbol for Raytheon 19. Stock symbol for Boeing 20. Surface mount, abbr. 23. 1E6 nanoseconds 25. Chemical symbol for gadolinium 27. Chemical symbol for chromium 29. Logic gate 30. 1e-6 mA 32. Chemical symbol for xenon 33. Chemical symbol for nickel 34. Chemical symbol for terbium 35. Chemical symbol for krypton 37. Time delay, abbr. 38. Chemical symbol for antimony 40. Chemical symbol for manganese 42. 1.602E-19 Joules 44. Chemical symbol for tin 46. Special diode that can be switched 47. Greek letter 49. Chemical symbol for iron 50. Test equipment, abbr. 51. Have a positive phase wrt a reference 52. International phonetic alphabet letter "M" 54. Type of current 55. Chemical symbol for gallium 57. Negation prefix 58. Online service, abbr. 60. Family of TTL logic 63. Chemical symbol for neon 64. Chemical symbol for praseodymium |