ACROSS 1. Filter with more than one frequency band going from separate ports to a common port, pl. 4. Used in linear algebra 7. Chemical symbol for cadmium 8. Points in an IQ diagram 15. Chemical symbol for plutonium 17. Singulated piece of IC wafer 18. Type of miniature RF connector 20. Chemical symbol for lithium 22. Chemical symbol for gallium 23. Chemical symbol for ytterbium 25. Chemical symbol for tin 26. Original Equipment Manufacturer 27. Attenuator 28. Unit of typing speed, abbr. 29. Type of chart 30. European equivalent to the U.L. 32. Chemical symbol for silicon 33. Chemical symbol for aluminum 35. Chemical symbol for platinum 36. Output spectrum of a balanced mixer, abbr. 38. A common battery cell size 40. Emission of electromagnetic energy 41. Electromagnetic wavelength unit 42. Major engineering university in Palo Alto, CA 46. Electromagnetic wavelength units 51. Stock symbol for Harris Communications 53. Keyboard key, abbr. 54. Chemical symbol for radon 56. Local Oscillator 57. Test Point 59. Chemical symbol for neodymium 60. Amateur Radio Association 61. U.S. equivalent of GLONASS 62. Chemical symbol for indium phosphide 63. Family of TTL logic 64. 1/000 of an amp 66. Start frequency, abbr. 67. Maximum signal amplitude, abbr. 69. Chemical symbol for manganese 70. Substrate for mounting components, abbr. 72. Software drafting tool 74. Time Delay 75. Rms current times rms voltage 76. Chemical symbol for argon 79. Overdrives 80. Elements in front of the driven element in a Yagi or Quad antennas | DOWN 1. Device for separating AC from DC 2. Chemical symbol for lead 3. Solid angle unit 4. Our galaxy 5. Chemical symbol for einsteinium 6. Element used for super accurate clocks 9. Opposite of I.D. 10. Networks International Corporation, abbr. 11. Chemical symbol for selenium 12. Part of a FOR loop 13. Current-voltage phase mnemonic 14. Shorthand for oxygen 16. Symbols and lines used to construct a representative drawing of a system at a high level, pl. 19. A loading coil at the center of an antenna to achieve a lower resonant frequency 21. Institute of Electrical Engineers (U.K) 22. One state of matter 24. Broadband Over Power Lines 25. Half of a DIP 31. Base Station Transceivers 34. Be behind in phase 36. 10^1 numerical prefix 37. Chemical symbol for bismuth 38. Army-Navy spec. 39. Chemical symbol for arsenic 42. Uses software to predict circuit performance 43. Femtohenry, abbr. 44. Logic gates 45. Type of flip-flop 46. Added catalyst 47. Chemical symbol for gadolinium 48. Adjust a pot 49. Chemical symbol for thallium 50. Metrology reference devices 52. Describes a purely reactive element 55. Gun safety and education organization, abbr. 56. Filter type, abbr. 58. Silicon transistor type 59. Stock symbol for National Semiconductor 65. Transmission Control Protocol 68. Crystal filter type 70. Min-to-max voltage of a waveform, abbr. 71. Stock symbol for Boeing 72. Chemical symbol for cobalt 73. Morse Code for "from" 77. Unit of length, abbr. 78. Chemical symbol for holmium |