2/3/2003 Engineering & Science Crossword Puzzle

All of these crossword puzzles were created using the fabulous Crossword Express (now called " Magnum Opus") software.

ACROSS 1 Information exchange 8 Audio Frequency 9 Reduced Instruction Set Computer 11 Negation prefix 13 3dB attenuation frequency 17 Super glue, abbr. 19 Symbol for tin 20 Overcurrent protection devices 21 Internet mail protocol 22 It's the "S" in OATS 23 Semiconductor lamp 25 Half of Vpp for a sinewave 26 Precision landing system, pl. 27 Added potting compound to a module 29 Electronics manufacturer with "meatball" logo 30 Plug-ins for computer buses 31 Computer communication schemes 32 Technical Order, abbr. 33 Chemical symbol for arsenic 34 Compliment of a zero 35 Mixer manufacturer in Denver, CO 37 Opposite of I.D. 38 Repeated a software routine 39 The "R" in DRC, singular 41 Integrated circuit 43 1/000 of an inch 44 Compiler directive in Pascal 45 Describes a blown fuse 47 Hard drive contents 49 Local Oscillator 50 Greek letter 51 Gave direction to 52 A digital "0" 53 Switch configuration 56 Galilean moon 57 Si, GaAs, GaN, Ge, SiGe, etc.	DOWN 1 Group of stars 2 ELI the ICE ___ 3 300 kHz to 3 MHz 4 Logic family 5 Infrared 6 Lubricants 7 Unit of time 10 Closed Circuit Television 12 Switch position 13 Stops a process 14 Employs 15 Test equipment, abbr. 16 Electric, magnetic and gravitational are examples of these 18 Rms current times rms voltage 20 Computer storage units 22 Information-carrying medium 23 A U.S. defense company that sold ICBM stabilization technology to China in the mid1990s 24 Direct digital synthesis 27 1/000 of an amp 28 2-terminal square-law semiconductor 30 Popular graphics program 32 Recording 34 North and south features of magnets 35 Volt Ohmmeter 36 Opposite of O.D. 39 Have dominion over 40 Employed 42 8088s, 8086s, 80486s, etc. 46 Current summing point 47 First-in, first-out 48 Opposite of O.D. 49 Local Oscillator 52 Sample group 54 *PS 55 Transverse Magnetic 56 Integrated circuit
Answer below