Accurately capture and analyze many sectors, or a complete track for read channel design or head/media evaluation.

• 5 GHz bandwidth
   
• 10 GS/s sample rate/channel
   
• 20 GS/s dual-channel mode
   
• Up to 100 Mpts in dual-channel mode
   
• 5 GHz trigger bandwidth
   
• Intuitive front panel and touch screen interface
   
• Zoom and Multi-Zoom on disk sectors
   
• One-button access to Read Channel Emulation, Servo Analysis, Disk Triggers
   
• Head Equalization, Channel Emulation and SAM Histograms
   
• Segmented Memory for sector-by-sector parametric analysis
   
• Built in PWxx, amplitude, pulseshape and ACSN parametric measurements
   
• Customizable with MATLAB scripts
   
• Flexible connectivity to networks, peripherals with 100Base-T Ethernet and USB

Maximum Performance
The Disk Drive Analyzer 5005A, with 5 GHz bandwidth, includes LeCroy’s newest and most powerful Disk Drive Analysis toolset. Capture, view, and analyze the waveshape of high-speed, complex drive signals with speed and integrity.

LeCroy’s X-Stream architecture integrates SiGe “digitizer on a chip“ technology and a specialized high-speed streaming bus design to transfer data from the ADC to a proprietary acquisition memory. The X-Stream architecture enables disk drive engineers to quickly and easily measure and analyze disk drive signals. With 10 GS/s and 24 Mpts/Ch—up to 20 GS/s and 48 Mpts on two channels—you can be assured drive signals are captured with accuracy and precision.

The DDA 5005A is designed for signal fidelity, whole track acquisition and analysis for read channel, media noise analysis, and head parametrics, with the longest acquisition memory standard. The DDA 5005A comes standard with enough acquisition memory to capture 2.4 milliseconds of data at 20 GS/s, while the XXL model captures 5 milliseconds with its 100 Mpts per dual-channel memory.

Excellence in Head,Disk,Track, and Noise Analysis
The DDA series analyzers incorporate the tools to make you most efficient. The standard 100 Mpts of capture memory in the DDA 5005A XXL provides 5 milliseconds of single-shot, 20 GS/s capture speed on two channels.

Long Memory and Flexibility in Finding Problems
Acquire a head signal up to 5 GHz and then QuickZoom from the front panel. The DDA copies and expands the drive signal automatically. Simply scroll horizontally and vertically to examine any sector. Multiple Zooms let you view up to eight separate areas of the head signal; each zoom comes in a distinct color. You can measure the time between two events accurately with horizontal and vertical cursors. Disk drive parameters let you characterize the pulse width variation or signal-to-noise ratio across a selectable region. Failure Analysis Engineers can store and recall golden waveforms and panel setups to compare problem drives with the known good signals. Analog-to-digital converters running at speeds up to 20 GS/second ensure the right oversampling rate to measure today’s high-speed read channels. In every DDA,you can run your MATLAB scripts to view the captured signal, with the filters matched to your channel and media.

WaveLink high bandwidth differential probes let you
capture head signals with best signal to noise ratio.

 
Triggers Designed for Drive Analysis
Disk Triggers allow you to set up a series of events in the signal that then cause a trigger. For example, qualify the signal on the index signal and then capture all the sectors of information on the track. As memory is increased in the DDA, more sectors can be captured, with 50 or 100 picosecond/sample time resolution. Up to 20,000 sectors of data can be gathered with a DDA 5005A equipped with the DDA-XXL option.

Natural Graphical Interface
One press of the DDA button takes you directly to the Disk Drive Analyzer features.The familiar controls on the front panel, coupled with a natural, context-sensitive graphical user-interface, reacts quickly to your commands. Functionality is exactly where you expect it to be. If you have questions, context-sensitive on-line help gives immediate assistance. 

Cursors
Cursors let you measure time and amplitude points on the disk waveforms. You can measure the time between gate and signal across two different channels. Different cursor modes are easily recalled and set. They are easily accessed from the front panel or the graphical user interface. Set up basic time or amplitude cursors on a single waveform, or choose to use independent cursors on different waveforms.

Exceptional Trigger Performance
The drive-specific triggers are defined in disk drive terminology, just as they are in the other LeCroy Drive Analyzers. Drive triggers include: Sector, Servo Gate, PES Trigger, and Read Gate Trigger. Setup of trigger conditions is easier then ever. The standard edge trigger will trigger on signals of up to 5 GHz, and on SMART Triggers^®.

ProLink™ Signal Inputs
ProLink inputs provide a high integrity, high bandwidth interchangeable interface to SMA or BNC cables, probes, and accessories. ProLink supports ProBus® for direct, automatic control of LeCroy probes and accessories. The AP-1M adapter (standard) provides High-Z inputs. 

Flexible Connectivity
The DDA 5005A comes complete with a 100Base-T/10Base-T Ethernet connection, a built-in hard drive for waveform storage, and a 3.5" floppy drive. At the press of a button, you can even e-mail the measurement result and scope screen to other engineers or to your notebook. Attach any USB device for extended connectivity for network printing, or for attaching additional storage or pointing devices. An optional built-in graphics printer provides a strip chart display of multiple disk sectors at one viewing.

Specifications

Math Tools (Standard)
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. 

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 email the image of the failure, saving waveforms, or send a GPIB SRQ or pulse to trigger another device.

Automated Disk Drive Measurements 

Standard Automated Measurements 

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 DDA5005A 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 

DDA5005A Ordering Information