ACROSS 1 Upper frequency, abbr. 3 Aircraft tracking system 7 Regarding light 11 Analog-to-Digital 13 Oscillator manufacturer in Whippany, NJ 15 1/000 of an inch 16 High Data Rate 17 Electronic component mounting substrate, abbr. 18 Co-Channel Rejection Ratio 20 Phase-Locked Loop 22 Intentionally interfere with radio signals 23 Multi-element antenna 24 Symbol for helium 26 Network department, abbr. 27 World's only remaining superpower 28 Professor's student instructor, abbr. 29 Premier zero-phase-hit oscillator vendor in Rockleigh, NJ (2 words) 32 Type of current, abbr. 33 Logic gate 34 Store data 35 Having heat dissipation elements 36 BPF spec. 38 Modern battlefield technique 40 Describes a servo 45 Opposite of a D/A converter 46 Local Oscillator 47 Symbol for helium 48 Type of current flow, abbr. 49 Power distribution system 52 Direct Digital Synthesis 53 Original Equipment Manufacturer 55 Online auction site 59 Intel microprocessor rival company, abbr. 60 Institute of Electrical Engineers (U.K) 61 Family of TTL logic 63 End Of Transmission 64 Unit of time 65 Maintains a voltage for sampling 66 Employing 67 Local Oscillator | DOWN 1 U.S. Spectrum allocation agency 2 Worldwide time reference, abbr. 4 Modulation type, abbr. 5 2 x SIP 6 Electronic component distributor 8 Complex exponential representation of a complex number 9 Time Division Multiplexing 10 Infrared, abbr. 11 Conductor size unit, abbr. 12 Antenna gain unit, abbr. 14 Infrared, abbr. 17 Last stage in a transmitter, abbr. 19 Greek letter 21 Low-temperature co-fired ceramic 22 Fourth largest asteroid 23 A microwave oscillator puck material, abbr. 25 Electromagnetic, abbr. 28 Technical Order 30 One period 31 Having to do with charged particles 36 Reflected about 0 Hz in frequency domain 37 Logic family, abbr. 38 What do we hear as a result of reflected sound waves 39 A bike has 2, a trike has 3 41 Software drafting tool, abbr. 42 Time Delay 43 1e-6 mA 44 Current-voltage phase mnemonic 49 Gallium nitride, abbr. 50 Type of average, abbr. 51 Opposite of O.D. 52 Keyboard key 54 Degree of IC sophistication 56 Chemical symbol for beryllium 57 Online service everyone lose to hate 58 YIG-Tuned Oscillator 60 Galilean moon 62 One port of an amplifier |