Máy hiện sóng, Oscilloscope LeCroy DDA 735Zi-A 3.5 GHz, 4 CH

Máy hiện sóng, Oscilloscope LeCroy DDA 735Zi-A 3.5 GHz, 4 CH

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DDA 735Zi-A

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Máy hiện sóng, Oscilloscope LeCroy DDA 735Zi-A 3.5 GHz, 4 CH

Máy hiện sóng  LeCroy DDA735Zi-A băng thông 3.5 GHz, lấy mẫu 20 GSa/s, 4 kênh, bộ nhớ 32 Mpts/kênh, màn hình 15.4 inch.

Teledyne LeCroy Disk Drive Analyzers (DDA) assist data storage design engineers by integrating tools that improve the time to market of new products and accelerate understanding and failure analysis on existing drives. Teledyne LeCroy continues that tradition with the DDA 7 Zi-A Series equipped with its powerful Disk Drive Analysis toolset. Capture, view, and analyze the wave shape of high-speed, complex drive signals with speed and integrity.Data Storage applications are memory intensive as capturing multiple sectors or a complete track of data can be important in troubleshooting a design or characterizing media.

The X-Stream II architecture enables fast and accurate measurements and analysis of disk drive signals. Memory can be extended to 128 Mpts/Ch (256 Mpts/Ch on 2 Ch) using Option L. Both the DDA 760Zi and DDA 735Zi offer the convenience of selectable 50 Ω or 1 MΩ inputs. The standard 20 Mpts of waveform memory and 40 GS/s capture on two channels, means multiple drive sectors can be acquired at once.

Long Memory and Flexibility in Finding Problems

Acquire a head signal up to 6 GHz, and then QuickZoom it 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. Disk drive parameters let you characterize the pulse width variation or signal-to-noise ratio across a region. Failure Analysis engineers can store and recall golden waveforms and panel setups to compare problem drives with the known good drives. Analog-to-digital converters running at speeds up to 40 GS/s ensure the right sensitivity to measure today’s high-speed read channels. In every DDA, you can run your customer-developed scripts to view the captured signal with the filters matched to your channel and media. Custom user scripts can be created in MATLAB, Visual Basic, Excel or other formats.

Exceptional Trigger and Sequence Performance

The DDA’s 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 up to 50 picosecond/sample time resolution. Up to 15,000 sectors of data can be gathered with the DDA 7 Zi-A analyzers. An optional capability, Streaming Sequence, uses the X-Stream II and the fast hardware architecture of the DDA to streamup to 300,000 segments of data to memory; all taken at a high trigger rate.

Natural Graphical Interface

One press on the DDA menu 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, react quickly to your commands. Functionality is exactly where you expect it to be.The DDA 7 Zi-A provides one button access to all the tools needed to accurately debug and analyze disk drive operation.

The DDA 7 Zi-A features:

  • 31 custom parameters
  • 4 specific drive trigger
    • Sector
    • Servo Gate
    • PES trigger
    • Read Gate Trigger
  • Advanced drive analysis tools

Advanced Disk Drive analysis tools capabilities include:

  1. Head Filter Equalizer emulation
  2. Channel Emulation
  3. SAM Histograms
  4. Plot of SAM values
  5. PES runout analysis
  6. Analog Compare

Simultaneously connecting low-speed signals, like index and servo gate, and high-speed signals, like read channels has never been easier. With integrated 50 Ω and 1 MΩ inputs on all models, there is no longer a need for expensive adapters.


Vertical System

Analog Bandwidth (Max) 3.5 GHz
Analog Bandwidth @ 50 Ω (-3 dB) (ProBus Input) 3.5 GHz
(≥10 mV/div)
Analog Bandwidth @ 1 MΩ (-3 dB) (ProBus Input) 500 MHz (typical)
(≥5 mV/div)
Rise Time (10-90%, 50 Ω) 120ps (typical, flatness mode)
Rise Time (20-80%, 50 Ω) 90ps (typical, flatness mode)
Input Channels 4
Bandwidth Limiters 20 MHz, 200 MHz, 1 GHz, 3 GHz
Input Impedance 50 Ω+/-2% or 1 MΩ||16pF, 10 MΩ || 11 pF with supplied Probe
Input Coupling ProBus Inputs - 1 MΩ: AC, DC, GND; 50 Ω: DC, GND
Maximum Input Voltage 50 Ω: ±5 Vrms
1 MΩ: 250 V max. (peak AC: < 10 kHz + DC)
Channel-Channel Isolation DC to 2 GHz: 46 dB (>200:1)
2 to 4 GHz: 34 dB (>50:1)
4 to 6 GHz: 26 dB (>20:1)
(For any two ProLink input channels, same v/div settings, typical)
Vertical Resolution 8 bits; up to 11 bits with enhanced resolution (ERES)
Sensitivity 50 Ω: 2 mV-1 V/div, fully variable (2-9.99 mV/div via zoom); 1 MΩ: 1 mV-10 V/div, fully variable
DC Vertical Gain Accuracy (Gain Component of DC Accuracy) ±1% F.S. (typical), offset at 0V; ±1.5% F.S. (test limit), offset at 0V
Vertical Noise Floor (50 mV/div) 1.30 mVrms (typical)
Offset Range 50 Ω (ProBus)
±750 mV @ 10 mV - 170 mV/div
±4 V @ 172 mV - 1 V/div1 MΩ
±1 V @ 2 mV - 128 mV/div
±10 V @ 130 mV - 1.28 V/div
±100 V @ 1.3 V - 10 V/div
DC Vertical Offset Accuracy ±(1.5% of offset setting + 1.5% F.S. + 1 mV) (typical)
±(1.5% of offset setting + 2.5% F.S. + 2 mV) (test limit)

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-3200 s/div (Real-Time Mode: 20 ps/div - 2000 s/div; RIS mode: 20 ps/div - 10 ns/div, user selectable at ≤10ns/div; Roll mode: 100 ms/div up to 3200 s/div, user selectable at ≥100 ms/div and ≤5 MS/s), depending on memory length
Clock Accuracy < 1 ppm + (aging of 0.5ppm/yr from last calibration)
Sample Clock Jitter up to 10µs Acquired Time Range:
100fsrms (Internal Timebase Reference)up to 3.2ms Acquired Time Range:
150fsrms (Internal Timebase Reference)
Delta Time Measurement Accuracy √2*√((Noise/SlewRate)^2+(Sample Clock Jitter)^2 ) (RMS)+(clock accuracy*reading)(seconds)
Jitter Measurement Floor √((Noise/SlewRate)^2+(Sample Clock Jitter)^2 ) secondsrms (TIE)
Jitter Noise Floor 800 fs (TIE, typical)
Jitter Between Channels <560fsrms
(TIE, typical, measured at maximum bandwidth)
Trigger and Interpolator Jitter ≤ 2 ps RMS (typical)
<0.1 ps RMS (typical, software assisted)
Channel-Channel Deskew Range ±9 x time/div. setting, 100 ms max., each channel
External Timebase Reference (Input) 10 MHz; 50 Ω impedance, applied at the rear input
External Timebase Reference (Output) 10 MHz; 50 Ω impedance, output at the rear
External Clock 30 MHz-2 GHz, 50 Ω impedance, applied at the auxiliary input

Acquisition System

Single-Shot Sample Rate/Ch 40 GS/s on 2 Ch
20 GS/s on 4 Ch
Random Interleaved Sampling (RIS) 200 GS/s for repetitive signals (20 ps/div to 10 ns/div)
Maximum Trigger Rate 1,000,000 waveforms/second (in Sequence Mode, up to 4 channels)
Standard Memory (4 Ch / 2 Ch / 1Ch) (Number of Segments) 32M / 64M / 64M
Memory Options (4 Ch / 2 Ch / 1Ch)
(Number of Segments)
M-64 Option:
64M / 128M / 128M
L-128 Option:
128M / 256M / 256M

Acquisition Processing

Averaging Summed averaging to 1 million sweeps; continuous averaging 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, Aux, Aux/10, or line; slope and level unique to each source (except line trigger)
Coupling Mode DC, AC, HFRej, LFRej
Pre-trigger Delay 0-100% of memory size (adjustable in 1% increments of 100 ns)
Post-trigger Delay 0-10,000 divisions in real time mode, limited at slower time/div settings or in roll mode
Hold-off by Time or Events From 2 ns up to 20 s or from 1 to 99,999,999 events
Internal Trigger Range ±4.1 div from center (typical)
Trigger Sensitivity with Edge Trigger ProBus Inputs 2 div @ < 3.5 GHz
1.5 div @ < 1.75 GHz
1.0 div @ < 200 MHz
(for DC, AC, LFRej coupling, ≥ 10 mV/div, 50 Ω )
External Trigger Sensitivity, (Edge Trigger) 2 div @ < 1 GHz
1.5 div @ < 500 MHz
1.0 div @ < 200 MHz
(for DC, AC, LFRej coupling)
Max. Trigger Frequency, SMART Trigger 2.0 GHz @ ≥ 10 mV/div (minimum triggerable width 250 ps)
External Trigger Input Range Aux (±0.4 V); Aux/10 (±4 V)

Basic Triggers

Edge Triggers when signal meets slope (positive, negative, or either) and level condition.
Window Triggers when signal exits a window defined by adjustable thresholds
TV-Composite Video Triggers NTSC or PAL with selectable line and field; HDTV (720p, 1080i, 1080p) with selectable frame rate (50 or 60 Hz) and Line; or CUSTOM with selectable Fields (1-8), Lines (up to 2000), Frame Rates (25, 30, 50, or 60 Hz), Interlacing (1:1, 2:1, 4:1, 8:1), or Synch Pulse Slope (Positive or Negative).

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.
Qualified First In Sequence acquisition mode, triggers repeatably on event B only if a defined pattern, state, or edge (event A) is satisfied in the first segment of the acquisition. Holdoff between sources is selectable by time or events.
Dropout Triggers if signal drops out for longer than selected time between 1 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. The High and Low level can be selected independently. Triggers at start or end of the pattern.

SMART Triggers with Exclusion Technology

Glitch Triggers on positive or negative glitches with widths selectable as low as 500ps (depending on oscilloscope bandwidth) to 20 s, or on intermittent faults.
Width (Signal or Pattern) Triggers on positive, negative, or both widths with widths selectable as low as 500ps (depending on oscilloscope bandwidth) to 20 s, or on intermittent faults.
Interval (Signal or Pattern) Triggers on intervals selectable between 1 ns and 20 s.
Timeout (State/Edge Qualified) Triggers on any source if a given state (or transition edge) has occurred on another source.
Delay between sources is 1 ns to 20 s, or 1 to 99,999,999 events.
Runt Trigger on positive or negative runts defined by two voltage limits and two time limits. Select between 1 ns and 20 ns.
Slew Rate Trigger on edge rates. Select limits for dV, dt, and slope. Select edge limits between 1 ns and 20 ns.
Exclusion Triggering Trigger on intermittent faults by specifying the expected behavior and triggering when that condition is not met

Cascade (Sequence) Triggering

Capability Arm on "A" event, then Trigger on "B" event. Or Arm on "A" event, then Qualify on "B" event, and Trigger on "C" event.
Types Cascade A then B: Edge, Window, Pattern (Logic) Width, Glitch, Interval, Dropout, or Measurement. Measurement can be on Stage B only.
Cascade A then B then C (Measurement): Edge, Window, Pattern (Logic), Width, Glitch, Interval, Dropout, or Measurement. Measurement can be on Stage C only.
Cascade A then B then C: Edge, Window, Pattern (Logic)
Holdoff Holdoff between A and B or B and C is selectable by time (1ns to 20s) or number of events.
Measurement trigger selection as the last stage in a Cascade precludes a holdoff setting between the prior stage and the last stage.

High Speed Serial Protocol Triggering

Data Rates (Option WPZi-MSPT)
100 Mb/s - 1.25 Gb/s
Pattern Length 80 bits, NRZ or 8b10b
Clock and Data Outputs 400mVp-p (typical) AC coupled
Clock Recovery Jitter 2 ps rms + 0.3% Unit Interval rms for PRBS data patterns with 50% transition density
Hardware Clock Recovery Loop BW PLL Loop BW = Fbaud/5500, 100 Mb/s to 2.488 Gb/s (typical)

Low Speed Serial Protocol Triggering (Optional)

Optionally available I2C, SPI (SPI, SSPI, SIOP), UART-RS232, CAN, LIN, FlexRay, MIL-STD-1553, AudioBus

Measurement Trigger

Measurement Trigger Capability Select from a large number of measurement parameters trigger on a measurement value with qualified limits. Can be used as only trigger or last event in a Cascade Trigger.

Color Waveform Display

Type Color 15.3" flat panel TFT-Active Matrix LCD with high resolution touch screen
Resolution WXGA; 1280 x 768 pixels.
Number of traces Display a maximum of 16 traces (up to 40 with some software options). Simultaneously display channel, zoom, memory and math traces.
Grid Styles Auto, Single, Dual, Quad, Octal, X-Y, Single+X-Y, Dual+X-Y
Waveform Representation Sample dots joined, or sample dots only

Internal Waveform Memory

Internal Waveform Memory 12 active waveform memory traces (M1-M12) store 16 bit/point full length waveforms. Waveforms can be stored to any number of files limited only by the data storage media capacity.

Integrated Second Display

Type Supports touch screen integration of user-supplied second display with split-grid capability.
(Note: touch screen driver for second display may not be a Fujitsu driver)
Resolution Determined by display chosen by user

LeCroy WaveStream™ Fast Viewing Mode

Intensity 256 Intensity Levels, 1-100% adjustable via front panel control
Number of Channels up to 4 simultaneously
Max Sampling Rate 40 GS/s
Waveforms/second (continuous) up to 2500 Waveforms/second
Operation Front panel toggle between WaveStream ON (Analog), ON (Color) and OFF

Analog Persistence Display

Analog and Color-Graded Persistence Variable saturation levels; stores each trace's persistence data in memory
Persistence Types Select analog, color, or three-dimensional
Trace Selection Activate persistence on all or any combination of traces
Persistence Aging Select from 500 ms to infinity
Sweep Display Modes All accumulated, or all accumulated with last trace highlighted

High Speed Digitizer Output (Option)

Type LeCroy LSIB
Transfer Rate up to 325 Mpt/s (Maximum)
Output Protocol PCI Express, Gen 1 (4 lanes utilized for data transfer)
Control Protocol TCP/IP
Command Set Via Windows Automation, or via LeCroy Remote Command Set


Type Intel® CoreTM i7-2600 Quad, 2.6 GHz (up to 3.8 GHz in Turbo mode) (or better)
Processor Memory 8 GB standard for STD memory (32 Mpt) and M-64 memory options
16 GB standard for L-128 memory options
Up to 32 GB optional
Operating System Microsoft Windows® 7 Professional Edition (64-bit)
Real Time Clock Date and time displayed with waveform in hardcopy files. SNTP support to synchronize to precision internal clocks.

Zoom Expansion Traces

Zoom Expansion Traces Display up to 12 Zoom and 12 Math/Zoom traces

Setup Storage

Front Panel and Instrument Status Store to the internal hard drive, over the network, or to a USB-connected peripheral device.


Remote Control Via Windows Automation, or via LeCroy Remote Command Set
Network Communication Standard VXI-11 or VICP, LXI Class C (v 1.2) Compliant
GPIB Port Supports IEEE - 488.2
LSIB Port (optional) Supports PCIe Gen1 x4 protocol with LeCroy supplied API
Ethernet Port Supports 10/100/1000BaseT Ethernet interface (RJ45 port)
USB Ports minimum 6 total (incl. 3 front panel) USB 2.0 ports support Windows compatible devices
External Monitor Port 15 pin D-Type WXGA compatible to support customer-supplied external monitor.
Includes support for extended desktop operation with second monitor.
Peripheral Bus LeCroy LBUS standard

Auxiliary Input

Signal Types For External Trigger Input
Coupling 50 Ω: DC; 1 MΩ: AC, DC, GND
Max. Input Voltage 50 Ω: 5 Vrms; 1 MΩ: 250 V (Peak AC < 10 kHz + DC)

Auxiliary Output

Signal Types Select from calibrator, control signals or Off
Output Signal 500 Hz-5 MHz square wave or DC level; 2.5mV to 500 mV into 50 Ω (5 mV-1 V into 1 MΩ)
Control Signals Trigger enabled, trigger out, pass/fail status, off
Connector Type BNC, located on front

Automatic Setup

Auto Setup Automatically sets timebase, trigger, and sensitivity to display a wide range of repetitive signals
Find Vertical Scale Automatically sets the vertical sensitivity and offset for the selected channel to display a waveform with the maximum dynamic range


Auto Calibration Ensures specified DC and timing accuracy is maintained for 1 year minimum.


Probes Qty. (4) ÷10 Passive Probes
Probe System Probus (and ProLink on 4-6 GHz models). Automatically detects and supports a variety of compatible probes
Scale Factors Automatically or manually selected depending on probe used
Calibration Output Cal Output: 1kHz square wave, 1Vp-p (typical), output to probe hook.
Fast Edge Output: 5MHz square wave, 450mVp-p (typical), 110ps rise time, output to SMA connector, AC Coupled.

Power Requirements

Voltage 100-240 VAC ±10% at 45-66 Hz; 100-120 VAC ±10% at 380-420 Hz; Automatic AC Voltage Selection; Installation Category 300 V CAT II
Max. Power Consumption 800 W/800 VA

Environmental and Safety

Temperature (Operating) +5 °C to +40 °C including CD-RW/DVD-ROM drive
Temperature (Non-Operating) -20 °C to +60 °C
Humidity (Operating) 5% to 80% relative humidity (non-condensing) up to +31 °C.
Upper limit derates to 50% 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) 0.5 grms 5 Hz to 500 Hz, 10 minutes in each of three orthogonal axes, 30 minutes total
Random Vibration (Non-Operating) 2.0 grms 5 Hz to 500 Hz, 10 minutes in each of three orthogonal axes, 30 minutes total
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) 14"H x 18.4"W x 11.4"D (355 x 467 x 289 mm)
Weight 40.5 lbs. (18.4 kg)
Shipping Weight 62 lbs. (28.2 kg)