GS/s Waveform Digitizer Mezzanine Module Analogic 9905 Size Carri

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GS/s Waveform Digitizer Mezzanine Module Analogic 9905 Size Carri

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908LM
GS/s Waveform Digitizer Mezzanine Module
Analogic 9905 Size Carrier Module
high-performance Waveform Digitizer modular mezzanine board designed with 9905 size carrier module. features maximum sampling rate GigaSamples/second, 8-bit resolution MegaSample on-board memory. 908's compact size mezzanine board concept permits modules single-slot, size 9905 carrier card. instruments single slot efficiently maximizes your resources while, same time, decreasing cost slot. provides unique combination speed, resolution size that maintains Analogic tradition implementing innovative ideas that provide state-of-the-art performance competitive prices. 908's broad sampling rate range GS/s, input bandwidth dB), 8-bit resolution 908LM) on-board memory position such applications Telecommunications, Magnetic Media, Automotive, Time-of-Flight Mass Spectroscopy, Computing, Particle Physics, Military, Explosive-Weapons Ballistic Testing. user-programmable front-end further optimizes digitizer's performance variety applications.
General Description
features oscilloscope-type front-end that programmed coupling input impedance, therefore making easily adaptable with either coaxial transmission cable high impedance probes. high impedance mode also features very low, capacitance that helps minimize loading effect that occur when probing high-frequency circuits. programmable gain amplifier used optimize 908's dynamic range scaling input Full Scale Range (FSR) that appropriate signal interest. Available ranges are: variable offset ranges ±20V higher FSR's also employed maintain digitizer's dynamic range instances when signal interest centered around front-end employs calibration circuitry compensate internal offset gain errors. Calibration implemented, user's discretion, calling software function. crystal-controlled time base that accurate clocks 908's subsystem. module's sampling rate programmable range GS/s increments 2.5, front panel external clock input provided divergent sampling rates synchronize clock with signal interest. Signal acquisition triggered signal interest (internal trigger), external trigger input, TTLTRG lines. Whether trigger source internal external, trigger condition
Features
GS/s Sampling Rate Bandwidth Acquisition Memory Option) Internal Calibration Input Protection Pre- Post-Triggering High-Resolution Trigger Timer Interpolator Power Consumption (<15W) Plug Play software
Applications
Telecommunications Magnetic Media Ultrasonic Vibration Analysis Time-of-Flight Mass Spectroscopy Beam Instrumentation
Signal Input
Input Signal Amplifier
GS/s
GS/s
Ext. Memories DEMUX 128K
TIMEBASE
Trigger Input
Trigger Signal Amplifier
TRIGGER Circuit
Card Controller
9905 Interface
Figure Block Diagram.
further defined selecting trigger slope level. LFReject trigger coupling mode also provided. Regardless trigger source, data acquired relation specified trigger event stored user-defined pre- post-trigger data. Pre-trigger delay, storage data memory before desired trigger event, adjusted size from 100% acquisition memory. data samples stored before trigger, immediately after trigger, anywhere between full 908LM) memory. Post-trigger delay, storage data memory exclusively after trigger event adjusted from post-trigger mode, acquisition size limited size memory available 908, since 28-bit (228) register used desired number samples. Trigger hold also provided with range million events maximum resolution event maximum resolution Regardless trigger mode, amount data acquired stored onboard memory programmable range from samples full 908LM). Memory configured linear buffer divided into segments multi-trigger acquisition. also features Trigger Time Interpolator (TTI), which used applications that demand precise measurement trigger point with respect first data point trigger trigger occurrence. resolution max. used, default dependent acquisition mode, time stamp each trigger first data point. user offered option using this timing information determine when these events occur relative other events. Plug Play compliant software driver supports functions provides automatic recognition configuration plug-in modules that
stalled 9905 carrier unit. Source code included well .DLL files allow easy porting most popular programming environments. These drivers exceed Plug Play requirements help ensure that system integration software development time reduced absolute minimum.
MODES OPERATION
acquisition modes, Single Sequence. These modes provide efficient means utilizing memory while taking advantage 908's high sampling rate.
Single Acquisition Mode
Acquired waveforms result series measurements (sample points) taken uniform clock rate. this mode user selects desired sampling rate acquisition memory size sets number segments Each waveform trhen recorded with single trigger.
Sequence Acquisition Mode
this mode acquisition memory divided into preselected number segments between 8000. Each segment then used store waveforms acquired from successive triggers. this mode trigger re-arm time less than resulting very "dead time", when digitizer cannot acquire data from trigger event. Another feature this mode time stamping each trigger event using Trigger Time Interpolator. makes possible determine time, with resolution, from trigger other trigger sequential acquisition.
908/908LM
Specifications
SIGNAL INPUT
Parameter Bandwidth Full Scale Range Condition Low-level High-level Programmable Value range ±20V range M/10 ±0.5% single-ended 100V (DC+peak kHz) (500 (typ.) Parameter Accuracy Integral Linearity ENOB GS/s) SFDR Temperature Drift
SYSTEM PERFORMANCE
Condition Value typ. typ. 1000 FSR/°C FSR/°C
Offset Range Input Impedance Number Channels Input Coupling Max. Input Voltage
Offset Gain
Overload Recovery Time
Overshoot Long Term Settling Time Connector Type
Programmable Input Impedance) Input Impedance with positive negative pulse returning With rise time pulse @0.5% step amplitude (80% FSR)
EXTERNAL INPUTS CLOCK REFERENCE
Parameter External Clock Frequency External Reference Clock Freq. Clock/Ref. Threshold Clock/Ref Amplitude Connector Type Condition Value Variable Minimum pk-pk MMCX
(typ.) Supply Voltage -5.2 Total
POWER REQUIREMENTS
Amps, Max. 4.5A Watts 12.5
DIGITAL CONVERSION
Parameter Conversion Rate Aperture Uncertainty Acquisition Memory Size Resolution Differential Linearity Condition Internal Clock Value GS/s 908LM) bits (1:256)
RELIABILITY TIME BASE
Parameter MTBF Value Msamples segments resolution Parameter Operating Temperature Condition Determined eric Parts Count method MIL-HDBK-217F ground benign environment temperature 30°C Value >25,000
Parameter Clock Accuracy Acquisition Modes Trigger Re-arm Time Trigger Time Interpolator
Condition Internal Clock Single Shot Sequence Sequence Mode Sequence Mode
GENERAL
Condition humidity (non-Condensing) Value 40°C
TRIGGER (INTERNAL EXTERNAL)
Parameter Slope Coupling Trigger Sensitivity Condition Programmable Programmable Internal Trigger External Trigger Internal Trigger Threshold Pre-Trigger Delay Post-Trigger Delay Hold Hold Resolution Bandwidth Trig. Threshold Max. Input Voltage Impedance Connector Type Value Positive Negative LFReject) From MHz: levels >15% From MHz: levels 100% data events event (500
Specifications subject change without notice
Programmable
Variable Programmable
Quality Performance
908's noise, harmonic distortion, step response, flat frequency response effective number bits (ENOB) depicted following plots.
analysis pure sinewave, measured full scale, showing very noise floor little harmonic distortion.
Positive negative step responses show minimal overshoot undershoot,
Frequency response flat system bandwidth reaching beyond specified MHz.
Effective bits (top graph) significantly higher than minimum guaranteed performance (bottom graph).
Ordering Guide
Model Number 908B 908LM 908LMB Output Connector Memory Size
Analogic Corporation Test Measurement Division Centennial Drive Peabody, 01960-7987, Tel: (978) 977-3000 Fax: (978) 977-6814 email: t&m_info@analogic.com www.analogic.com
Printed U.S.A. 2001 ANALOGIC Corporation Bulletin 16-100664 7/01

GS/s Waveform Digitizer Mezzanine Module Analogic 9905 Size Carri

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