presented by: joseph e. greaney, the ideas group of saic

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A Product Line Using 8mmA Product Line Using 8mmTape TechnologyTape Technology

Presented by:Presented by:Joseph E. Greaney,Joseph E. Greaney,

The IDEAS Group of SAICThe IDEAS Group of SAIC

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Presentation OverviewPresentation Overview

SAIC/IDEAS Group OverviewRecorder Product Line

E1/T1 RecordersHigh Speed Recorder Product DevelopmentTAPEDANCER Product Development

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SAIC In BriefSAIC In Brief

Principle U.S. Offices International Locations

Throughout the World ... from Science ... to Solutions ... toService

for over 25 yearsOver 20,000 employees at 300 sites World-Wide

Fiscal Year Revenues for 1995 - $2 Billion

Albuquerque, NM Arlington, VA Bremerton, WA Colorado Springs, CO Dayton, OH Hawaii Huntsville, AL Indianapolis, IN Las Vegas, NV Los Angeles, CA McLean, VA

Oak Ridge, TN San Francisco, CA Santa Barbara, CA Tucson, AZ Virginia Beach, VA Washington, DC Omaha, NE Orlando, FL Sacramento, CA San Diego, CA Sierra Vista, AZ

Auckland Camberley, UK Cambridge Dhahran The Hague Heidelberg Kuwait City Madrid Moscow Nuremberg

Ottawa Panama Paris Riyadh South Korea Sydney Taipei Tokyo Vancouver

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Ideas Group CapabilitiesIdeas Group CapabilitiesProgram ManagementSystem Integration, Installation,and TestSoftware Development and SupportEngineering Design andEngineering Design andDevelopmentDevelopmentExpertise in real-time processingExpertise in real-time processingManufacturing and FabricationCustom RF, Analog, and DigitalProductsSpace Flight HardwareDevelopmentDocumentation and Training

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IDEAS Group ProductsIDEAS Group Products

Recorders Instrumentation Digital Analog Custom processingDemodulatorsModem test setsDemultiplexersSynthesizersSignal GeneratorsRack-mount computers EMI/RFI shielded Single board chassisSpecialized FIR filters Interference mitigationIon mass spectrometersMagnetometers

MDRS-9350 Digital Voice ProcessorACS-2130 Telecom Test Set

Rack Mount Shielded PC

SRS-9500 Digital Recorder

ACS-4408-1 Demodulator

ProDACS 1700 Digital Filter

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E1/T1 RecorderE1/T1 RecorderBlock DiagramBlock Diagram

TelecommsInterface Board

Buffer Board 486 CPU, VxWorks

EthernetController

Exabyte 8mm Tape

DT Connect Bus

ISA Bus

MDRS 9210/9215 Block Diagram

E1/T1

To Ethernet

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E1/T1 RecorderE1/T1 RecorderTechnical CharacteristicsTechnical Characteristics

Extensive hardware and softwarere-use allowed for a 12 weekdevelopment cycleISA Bus architecture10,000 lines of C CodeOver 100 units fieldedEfficient buffer design allows forreal-time operation

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E1/T1 RecorderE1/T1 RecorderKey Features:Key Features:

Five hours of record time on 8 mmtape for a 2.048 Mbps signalOperates like a VCR; rewind, fastforward, search, play, stop, eject7” rack mount chassis or portable ina PC carrying caseEthernet remote control; simple GUI

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HSDR 9400 High SpeedHSDR 9400 High SpeedE3/T3 RecorderE3/T3 Recorder

E3/T3 Interface

Pentium CPUVxWorks O/S

SCSIController

EthernetInterface

Storage ConceptsRAID System

Parallel Bus

HSDR 9400 High Speed E3/T3 Recorder

SCSI To Ethernet

Exabyte 8mm Tape

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HSDR 9400HSDR 9400T3/E3 RecorderT3/E3 Recorder

Technical CharacteristicsE3/T3 interface; architecture will supportATM/SONET OC-3 data rates in near futureUses economical high performance PCI BusVxWorks real-time operating system

BenefitsRecords real-time telecommunications signalup to E3/T3 rates (44 Mbps) for 2 hours

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HSDR 9400HSDR 9400T3/E3 RecorderT3/E3 Recorder

Incorporates Storage Concepts RAID Systemthat allows for up to 20MB/second throughputto diskTape back-up to Exabyte 8505Architecture is upgradeable to ExabyteMammouth drivesSimple to use: operates like MDRS seriesRemote Ethernet Interface; GUI

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TAPEDANCERTAPEDANCERProduct OverviewProduct Overview

Summary of key characteristicsDesign TradeoffsPerformance

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Input/OutputAnalog Inputs: 12 channels (max)

Outputs: 2 channelsDigital Inputs: 4 channels

Outputs: 1 channelCEPT: 2 Inputs/Outputs

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Transcription FeaturesPitch correctionBackwards playbackVariable repeat lengthVariable pauseTNH21 footpedalX Factor playback.5X to 2X Scan Mode

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ControlFront Panel LCDRemote SCPI Interface:

EthernetIEEE-488RS423Footpedal, TTL

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Summary of Analog OperatingModes

BW Bits/Sample X Factor3.6 KHz 8 .5X-32X4 KHz 8, 12 .5X-32X8 KHz 8, 12 .5X-16X16 KHz 8, 12 .25X-8X32 KHz 8, 12 .125X-4X64 KHz 8, 12, 14 .062X-1X

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MiscellaneousUniversal TLDF FormatSerial (Daisy Chain) ModeParallel Drive Mode

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Design Trade-offs for Manufacturing 1. CPU (5=Excellent, 1=Poor)

486 TMS320C31 AMD29000Throughput 5 4 4Cost 1 5 3Interrupt/Latency 3 5 3Interface 5 3 2

Totals 14 17 12

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2. Accommodate upto 45 analog modes, 4 digital modes

A. Multiple COTS Boards - could not meet cost and sizerestraints

B. Field Programmable LogicAnalog modes: 13 Xilinx designs; each one has approx.8K gatesDigital modes: 4 Xilinx designs; each one has approx.4K gatesXilinx’s handle buffering, speed matching, clockgeneration, switchingXilinx’s are very economical (less expensive thanmultiple PC Boards

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3. Data Acquisition1. DSP Processor per channel

2. Sigma Delta A to D and D to A Conversion

A/D TMS320C25D/A

Interface to Main CPU

A/D FIR FilterFIFO

(Xilinx) To TMS320C31

D/A FIR Filter FIFO(Xilinx)

SwitchedCapacitor

FilterFrom TMS320C31

ProgrammableClock

InputFilter

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DSP Sigma-DeltaHardware Simplicity 5 2Cost 2 4Performance at 64Kbps 1 5Total 8 11

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Performance SummaryThroughput: 4Mbps required; > 6 Mbps achievedAnalog performance:

Required AchievedS/N, 8 Bit 43db > 46db (typ)S/N, 12 Bit 62db > 64db (typ)S/N, 14 Bit 69db > 71db (typ)Spurious, 8 Bit 46db > 50db (typ)Spurious, 12 Bit 65db > 68db (typ)Spurious, 14 Bit 72db > 74db (typ)Phase Linearity 8 degrees <3 degrees (typ)Flatness (8, 12 Bit) +/- 1.5db +/- 1db (typ)Flatness (14 Bit) +/- 0.5db +/- 0.3db (typ)

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Current Product StatusCurrent Product Status

T1/L1 Recorders: Over 100 unitsfieldedTAPEDANCER: DT&E Testing Phase;can accept orders 12/95; 1st qtr 1996deliveryHSDR: Orders 12/95; delivery 3/96Summary

8mm tape technology has dramatically lowered the costand size of recording for a given bandwidth

presented by: joseph e. greaney, the ideas group of saic

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