Disk Drive Analyzers

DDA 5005A, DDA 3000
DDA 5005A XXL

Quick Specs
  • - 3 GHz, 5 GHz Bandwidth
  • - 10 GS/s Standard Sample Rate
  • - 24 Mpts Memory Standard
Configure System

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Specifications

Vertical System 
  
DDA 3000
  
Analog Bandwidth
@ 50Ω (-3 dB) 
3 GHz 
Rise Time (Typical)  150 ps 
Input Channels 
Bandwidth Limiters 25 MHz; 200 MHz; 1 GHz 
Input Impedance  50Ω or 1 MΩ || 15 pF; 10 MΩ || 11 pF with PP005A Probe
Input Coupling  1 MΩ: AC, DC, GND; 50 Ω: DC
Maximum Input Voltage 50 Ω: 5 Vrms,
1 MΩ: 100 Vmax (peak AC: ≤ 5 KHz + DC)
Channel-Channel Isolation 250:1 at same V/div setting, 40:1 at 3 GHz
Vertical Resolution  8 bits; up to 11 bits with
enhanced resolution (ERES) 
Sensitivity  50 Ω: 2 mV – 1 V/div fully variable; 1 MΩ: 2 mV – 2 V/div fully variable
DC Gain Accuracy  ±1.5% of full scale; ±1% (typical)

Offset Range 

50 Ω: ±700 mV @ 2–4.95 mV/div
±1.5 V @ 5–100 mV/div
±10 V @ .102–1 V/div
1 MΩ: ±700 mV @ 2–4.95 mV/div
±1.5 V @ 5–100 mV/div
±20 V @ 0.102–2 V/div
Offset Accuracy  ±(1.5% of full scale + 0.5% of offset value + 2 mV)
  
Horizontal System
Timebases  Internal timebase common to 4 input channels; An external clock may be applied at the Auxiliary input
Time/Division Range  20 ps/div – 10 s/div
Clock Accuracy  5 ppm
Time Interval Accuracy  ≤ 0.06 / SR + (5 ppm * Reading) (rms)
Sample Rate & Delay Time Accuracy  ±10 ppm ≤ 10 s interval
Jitter Noise Floor 2 ps rms @ 100 mV/div (typical)
Trigger and Interpolator Jitter  ≤ 2.5 ps (typical)
Channel-Channel Deskew Range ±9 x time/div setting, 100 ms max, each channel.
External Clock  30 MHz – 1 GHz; 50 Ω impedance; applied at the auxiliary input
  
Acquisition System
Single-Shot Sample Rate/Ch  10 GS/s
2 Channel Max  20 GS/s 
Random Interleaved Sampling (RIS)  200 GS/s for repetitive signals: 
20 ps/div – 1 µs/div
Maximum Trigger Rate  150,000 waveforms/second (in Sequence Mode, up to 4 channels)
Intersegment Time 6 µs
Maximum Acquisition Points/Ch  50 Mpts, 100 Mpts in two channel mode.
Maximum nummber of segments in Sequency Mode: 25,000 segments
  4 Ch / (2 Ch) Sequence Mode
Standard  48M / 100M 25,000 segments
  
Acquisition Processing 
Averaging  Summed or Continuous averaging up to 1 million sweeps
Enhanced Resolution (ERES)  From 8.5 to 11 bits vertical resolution
Envelope (Extrema)  Envelope, floor, or roof for up to 1 million sweeps
Interpolation  Linear or Sin x/x
  
Triggering System 
Modes  Normal, Auto, Single, and Stop
Sources  Any input channel, External, Ext X10, Ext/10, or line; slope and level unique to each source (except line trigger)
Coupling  DC
Pre-trigger Delay  0-10% of horizontal time scale
Post-trigger Delay  0 – 10,000 divisions
Hold-off by Time or Events  up to 20 s or from 1 to 99,999,999 events
Internal Trigger Range  ±5 div from center
Max Trigger Frequency  Trigger Senstivity (Edge) 2 div < 3 GHz, 1 div < 2 GHz
Max. Trigger Frequency, SMART Trigger 750 MHz ≥ 10 mV
  
Automatic Setup 
Auto Setup  Automatically sets timebase, trigger, and sensitivity to display a wide range of repetitive signals. 
Vertical Find Scale  Automatically sets the vertical sensitivity and offset for the selected channels to display a waveform with maximum dynamic range.
  
Probes 
Probes  (2) PP005A standard; Optional passive and active probes available. 
Probe System: Probus Automatically detects and supports a variety of compatible probes.
Scale Factors  Automatically or manually selected depending on probe used.
  
Color Waveform Display
Type  Color 10.4" flat-panel TFT-LCD with high resolution touch screen
Resolution  SVGA; 800 x 600 pixels
Number of Traces  Display a maximum of 8 traces. Simultaneously display channel, zoom, memory, and math traces.
Grid Styles  Auto, Single,Dual, Quad,Octal, XY, Single + XY,Dual + XY
Waveform Styles  Sample dots joined or dots only
  
Analog Persistence Display
Analog & Color-Graded Persistence  Variable saturation levels; stores each trace’s persistence data in memory
Persistence Selections  Select analog or color, or three-dimensional.
Trace Selection  Activate Persistence on all or any combination of traces
Persistence Aging Time  Select from 500 ms to infinity
Sweeps Displayed  All accumulated, or all accumulated with last trace highlighted
  
Zoom Expansion Traces
Display up to 8 Math/Zoom traces
  
CPU
Processor  Intel Pentium® P4, 2.54 GHz or better, 2 GB memory
Operating System Microsoft Windows® XP Professional
Real-time Clock  Dates, hours, minutes, seconds displayed with waveform. SNTP support to synchronize to precision internet clocks.
  
Internal Waveform Memory
M1, M2, M3, M4 Internal Waveform Memory (Store full-length waveforms with 16 bits/data point) or store to any number of files limited only by data storage media.
  
Setup Storage
Front Panel and Instrument Status  Store to the internal hard drive, or to a USB-connected peripheral device.
  
Interface
Remote Control  Via Windows Automation, or via LeCroy Remote Command Set
GPIB Port Supports IEEE – 488.2
Ethernet Port  10/100BaseT Ethernet interface
USB Ports  6 USB 2.0 ports, (2 accessable on front panel) support Windows® compatible devices
External Monitor Port Standard 15-pin D-Type SVGA-compatible 
Parallel Port  1 standard
  
Auxiliary Output
Signal Types  Select from calibrator or control signals output on front panel
Coupling 50 Ω: DC; 1 MΩ: AC, DC, GND
Max. Input Voltage 50 Ω: 5 V rms; 1 MΩ: 250 V (Peak AC < 10 kHz + DC)
Calibrator Signal 5 Hz – 1 MHz square wave or DC level; 
0.0 to 5.0 V into 50 Ω (0-1 V into 1 MΩ)
or TTL volts (selectable)
Control Signals  Trigger ready, trigger out, pass/fail status 
  
Auxiliary Input
Signal Types  Select from External Trigger or External Clock input on front panel
  
General 
Auto Calibration  Ensures specified DC and timing accuracy is maintained for 1 year minimum
Max. power consumption 650 W/ 650 VA
200–240 V AC at 50/60 Hz; 
Automatic AC Voltage selection
Power consumption: < 800VA
  
Environmental 
Temperature (Operating)  +5 °C to +40 °C including CD-ROM drive
Temperature (Non-Operating)  -20°C to +60°C
Humidity (Operating) 5% to 80% relative humidity (non-condensing) up to +30 °C. Upper limit derates to 25% relative humidity (non-condensing) at +40°C
Humidity (Non-Operating)  5% to 95% relative humidity (non-condensing) as tested per MIL-PRF-28800F
Altitude (Operating)  up to 10,000 ft (3048 m) at or below +25°C
Altitude (Non-Operating)  up to 40,000 ft (12,192 m)
Random Vibration (Operating)  0.31 g rms 5 Hz to 500 Hz, 15 minutes in each of three orthogonal axes
Random Vibration (Non-Operating)  2.4 g rms 5 Hz to 500 Hz, 15 minutes in each of three orthogonal axes
Functional Shock  20 g peak, half sine, 11 ms pulse, 3 shocks (positive and negative) in each of three orthogonal axes, 18 shocks total
  
Physical Dimensions
Dimensions (HWD)  264 mm x 397 mm x 491 mm; 10.4" x 15.6" x 19.3" (height excludes feet)
Weight  18 kg; 39 lbs 
Shipping Weight  24 kg; 53 lbs
  
Certifications
CE compliant, UL and cUL listed; conforms to EN 61326-1, EN 61010-1, UL 3111-1, and CSA C22.2 No. 1010.1 
  
Warranty and Service
3-year warranty; calibration recommended annually
Optional service programs include extended warranty, upgrades, and calibration services. 
  
Basic Triggers
Edge/Slope/Line Triggers when signal meets slope and level condition.
  
SMART®Triggers 
State or Edge Qualified  Triggers on any input source only if a defined state or edge occurred on another input source. Delay between sources is selectable by time or events.
Dropout  Triggers if signal drops out for longer than selected time between 2 ns and 20 s.
Pattern  Logic combination (AND, NAND, OR, NOR) of 5 inputs 
(4 channels and external trigger input)
Each source can be high, low, or don’t care.
Trigger at start or end of the pattern. 
  
SMART Triggers with Exclusion Technology
Glitch  Triggers on positive or negative glitches with widths selectable from 600 ps to 20 s or on intermittent faults.
Signal or Pattern Width  Triggers on positive or negative pulse widths selectable from 600 ps to 20 s or on intermittent faults.
Signal or Pattern Interval  Triggers on intervals selectable between 2 ns and 20 s.
  
Disk Drive Triggers
Sector Trigger on the n'th sector pulse after index. Index and sector pulse polarity and sector pulse number are selectable.
Servo Gate  Trigger on the n'th servo gate after index and every m'th thereafter. Index and servo gate pulse polarity are selectable.
PES Trigger  Trigger on Position Error Signal (PES) exceeding an adjustable voltage window. Servo gate can be selected as qualifier.
Read Gate Trigger  Trigger on any read gate longer than an adjustable Sector ID filed length.

Math Tools
Display up to 8 math function traces (F1 – F8). The easy-to-use graphical interface simplifies setup of up to two operations on each function trace. Function traces can be chained together to perform math-on-math. 

absolute value  log (base 10) 
average (summed) negate
average (continuous) product (x)
difference (–) ratio (/)
differentiate reciprocal (invert) 
enhanced resolution 
(to 11 bits vertical)
resample (deskew)
envelope rescale (with units)
exp (base e)  roof
exp (base 10)  (sin) x/x 
FFT square 
floor square root 
identity  sum (+)
integrate trend (datalog)
log (base e)  Auto-correlation
Histogram

FFT includes: power averaging, power density, real and imaginary components, and frequency domain parameters. 

Pass/Fail Testing 
Test waveforms by comparing their shape to test templates, and simultaneously check multiple parameters versus selectable parameter or mask limits.Pass or fail conditions can initiate actions including document to local or networked files, or e-mail the image of the failure,save waveforms, or send a GPIB SRQ, or pulse to trigger another device.

Automated Disk Drive Measurements 

TAA lbase ltmn msnr
TAA+ lbsep ltmx rsnr
TAA- lmax ltot m_to_r
PW50 lmin ltpt nbph
PW50+ lnum lttp nbpw
PW50- lpp ltut
Resolution ltbe NLTS
Overwrite ltbp ACSN

Standard Automated Measurements 

amplitude peak-to-peak
area period
base risetime
cycles rms
cycle std. deviation std. deviation
cycle mean top
cycle median width
cycle rms last
data median
delay number of points
duty cycle phase
duration time @ minimum (min.)
falltime time @ maximum (max.)
frequency Δ delay
first Δ time @ level
maximum Δ time @ level from trigger
mean Δ time from clock to data + (setup time)
minimum Δ time from clock to data- (Hold time)
+overshoot 18 Histogram Parameters
–overshoot

Jitter measurement for parameters including: period, cycle-cycle, frequency, and edge@lv, with JitterTrack up to 200 edges.

Advance Drive Analysis
Advance Drive Analysis capabilities of the DDA3000 include:

  • Head Filter / Equilizer Emulation

  • Channel Emmulation

  • SAM Histograms

  • Plot of SAM values

  • PES Runout Analysis 

  • Analog Compare

Additional waveshape analysis capabilities include:

  • FFT capability includes: power averaging, power density, real and imaginary components and frequency domain parameters

  • Parameter Math - add, subtract, multiply or divide two different parameters

  • User-definable parameter measurements

  • User-definable math functions 

 

Copyright © LeCroy Corporation 2008