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1GHz 數字存儲示波器 LeCroy 9384L

廠家: 美國力科
尺寸: 21 x 37 x 41cm
重量: 13kg

• 1 GHz帶寬,4通道
• 采樣率可達4 GSa/s
• 最大8M存儲深度
• 8-bit垂直分解度
• 最高精度可達1%(典型值)
• 觸發頻率1 GHz
• 最高峰值采集
• Glitch, Pattern, Qualified, Interval, Dropout, TV, and Exclusion Triggers
• 單色9寸CRT顯示
• 3.5寸軟驅
• 內置打印機
• PCMCIA硬盤和存儲卡
• GPIB和RS-232-C接口
• 配選件：柱狀圖和FFT信號分析

1 GHz帶寬

The 9384 series digital storage oscilloscope opens up new horizons for engineers and scientists at the leading edge of technological developments. With 1 GHz bandwidth and long acquisition memories, it is now possible to reveal previously hidden waveform details. Narrow glitches are more accurately defined; risetime measurements below 1 nanosecond are more precise; and high-frequency content, filtered out in lower bandwidth systems, is retained, thereby preserving signal amplitudes and overall signal integrity. Edge Triggering to 1GHz and LeCroy's powerful Smart™ Trigger modes like：Glitch, Pattern, Dropout, Interval, Exclusion and TV enable you to capture precisely the events of interest.

4 GS/s采樣速率

The 9384 samples simultaneously on all channels at 1 GS/s. Thus, it is ideal for demanding high speed applications. In addition, two channels can be combined to provide a sample rate of 2 GS/s or 4 GS/s in single channel mode. Finer horizontal resolution and accuracy are assured by high sample rates. This is especially critical in digital design where unpredictable circuit behavior needs to be identified and analyzed in detail to be fully understood. Together with this excellent single-shot performance the 9384 series also provides a sample rate equivalent to 10 GS/s for repetitive signals. The innovative peak-detect mode enables glitch capture even at the slowest time settings without loss of precision.

8M Points存儲深度

Channel record lengths of 100k, 500k and 2M are available on the 9384. The memory power is revealed when the user seeks to sample at the highest speed over many timebase settings. DSO's with less memory may boast a high sample rate for short waveforms, but only LeCroy's long memory oscilloscope can deliver high sample rates for long waveforms. To exploit this capability to its fullest, the LeCroy 9384AL combines its channel acquisition memories to give the user up to 8 million sample points, thereby providing the waveform detail required on long and complex signals.

The combined capabilities of the 9384 place it in the forefront of DSO capability.

精確采集

1 GHz bandwidth results in greater accuracy of amplitude and risetime measurements for high frequency signals and true representation of high speed digital and analog signals.

高速采樣率

The 9384 provides maximum sample rates of 1 GS/s, 2 GS/s, and 4 GS/s for greater waveform fidelity, excellent zoom detail, protection against aliasing, precision time resolution and wider frequency spectrum.

通道存儲和通道交替

Capturing long time windows single-shot requires long memory. LeCroy, the company that invented long memory DSO's, provides three memory selections：100k points per channel standard, 500k points per channel with the “M” and “TM” versions, and 2M points per channel with the “AL” version.

By interleaving the 4 channels of the 9384AL, the acquisition memory and sample rate can be increased 4X to provide up to 4 GS/s and up to 8M-points of memory. The result is that the 9384AL enables you to capture 2 millisecond of signal duration with 250 ps real time sample resolution.

先進的峰值探測系統

The 9384 series offers an innovative peak detect capture mode. This captures fast glitches by running the ADC's at a high sampling rate even at slow time base settings thereby capturing signal details that might have been missed due to under sampling. At the same time the scope stores the underlying data to ensure no loss of time precision - unlike other peak detect systems.

SMART觸發系統

SMART Trigger functions including Glitch, Pattern, Interval, Exclusion, TV, Dropout, and State-or-Edge Qualified triggers are available. Pre and Post-trigger delay are fully variable, Time and Events Holdoff are also included.

自動參數測量和統計

The 9384 provides more than 40 parametric measurements and their Average, Highest, Lowest values and Standard Deviation. Pass/Fail testing allows up to 5 parameters to be tested against selectable thresholds. Waveform Limit Testing can also be performed using Masks which may be defined inside the instrument. Any failure will activate preprogrammed actions such as Hardcopy, Save, Stop, Beep, GPIB SRQ, or Pulse Out.

內置打印機

Most printers and plotters can be driven via GPIB, RS-232-C and an optional Centronics interface. The 9384 offers an optional internal printer which can produce a 126 X 90 mm full resolution screen dump in under 10 seconds at the push of a button.

The unique `Strip-Chart' format expands the horizontal axis up to 200 cm/div per division for viewing fine waveform detail within long memory acquisitions.

采集系統

• 帶寬(-3 dB)：
  50 Ohm：DC to 1 GHz 10 mV/div and above
  1M Ohm DC：DC to 500 MHz(典型值).
• No. of Channels：4 CH
• No. of Digitizers：4 CH
• 最大采樣速率：4 GS/s
• 存儲器：(See table)
• 靈敏度：2 mV/div to 1 V/div, 50 Ohm fully variable, 2 mV/div to 10 V/div, 1M Ohm fully variable.
• 比例因子：A wide choice of probe attenuation factors are selectable.
• 偏移量范圍：
  2.00 - 4.99 mV/div：± 400 mV
  5.00 - 99 mV/div：± 1 V
  0.1 - 1.0 V/div：± 10 V
  1.0 - 10 V/div：±100 V (1M Ohm only)
  ± 20 V across the whole sensitivity range when using the AP 020 FET probe.
• DC精確度：10 mV and above, 1%(典型值)
• 垂直分解度：8 bits
• 帶寬限幅器：25 MHz or 200 MHz user selectable
• 輸入耦合：AC, DC, GND.
• 輸入阻抗：1 M Ohm // 15 pF typical or 50 Ohm ±1%
• 最大輸入：
  1 M Ohm：400 V (DC+peak AC 10 kHz)
  50 Ohm：± 5 V DC

時基系統

• 時基掃描：Main and up to 4 Zoom Traces.
• Time/Div Range：1 ns/div to 1000 s/div.
• 時鐘精度度：< 10 ppm
• 計數器精確度：10 ps
• 滾動模式：ranges 500 ms to 1,000 s/div.
  For > 50k points：10 s to 1,000 s/div.

觸發系統

• 觸發模式：Normal, Auto, Single.
• 觸發源：CH1, CH2, CH3 and CH4, External and Line, Slope, Level and Coupling for each source can be set independently.
• Slope：Positive, Negative.
• 耦合：AC, DC, HF, LFREJ, HFREJ.
• 預置觸發器記錄：0 to 100% of full scale (adjustable in 1% increments).
• 后置觸發器延遲：0 to 10,000 divisions (adjustable in 0.1 div. increments).
• Holdoff by time：10 ns to 20 s.
• Holdoff by events：0 to 99,999,999 events.
• 寬觸發靈敏度：
  <10% of full scale > 1 ns;
  <20% of full scale 500 ps to 1 ns
• 內置觸發靈敏度范圍：± 5 div.
• 外置觸發的最大輸入：
  1 M Ohm // 15 pF：400 V (DC+peak AC<10 kHz)
  50 Ohm± 1%：± 5 V DC (500 mW) or 5V RMS
• 外置觸發范圍：± 0.5 V (± 5 V with Ext/10)
• 觸發時間：Trigger Date and Time are listed in the Waveform Status Menu.

SMART觸發系統

• 模式：Trigger on the logic AND of 5 inputs - CH1, CH2, CH3, CH4, and EXT Trigger, where each source can be defined as High, Low or Don’t Care. The Trigger can be defined as the beginning or end of the specified pattern.
• Signal or Pattern Width：Trigger on glitches <2.5 ns (1 ns typical) or on pulse widths between two limits selectable from <2.5 ns to 20s exclusive.
• Exclusion Trigger：Trigger on a signal or period outside two limits selectable from <2.5 ns to 20s.
• Signal or Pattern Interval：Trigger on an interval between two limits selectable from 10 ns to 20 s.
• Dropout：Trigger if the input signal drops out for longer than a time-out from 25 ns to 20 s.
• State/Edge Qualified：Trigger on any source only if a given state (or transition) has occurred on another source. The delay between these events can be defined as a number of events on the trigger channel or as a time interval.
• TV：Allows selection of both line (up to 1500) and field number (up to 8) for PAL, SECAM, NTSC or non-standard video.

采集模式

• 隨機采樣(RIS)：for repetitive signals from 1 ns/div to 2 ms/div.
• 隨機采樣率：10 GS/s
• Single shot：for transient and repetitive signals from 2 ns/div (all channels active).
• Peak detect：captures and displays 2.5 ns glitches (1 ns typical) or other high-speed events.
• Sequence：Stores multiple events - each of them time stamped - in segmented acquisition memories.
• Number of segments available:9384AL 2-2,000

顯示系統

• 波形類型：Vectors connect the individual sample points, which are highlighted as dots. Vectors may be switched off.
• CRT：12.5 x 17.5 cm (9" diagonal) raster.
• 分辯率：810 x 696 points.
• 模式：Normal, X-Y, Variable or Infinite Persistence.
• 實時時鐘：Date, hours, minutes, seconds.
• 格子線：Internally generated; separate intensity control for grids and waveforms.
• 柵格：1, 2 or 4 grids.
• 格式：YT, XY, and both together.
• Vertical Zoom：Up to 5x Vertical Expansion (25x with averaging, up to 80 µV sensitivity with Advanced Math option WP01).
• Horizontal Zoom Factors up to：9384AL 200,000x
  Waveforms can be expanded to give .4-.5 points/division. Zoom factors up to 800,000x for the 9384L with all channels combined.

內部存儲器

• 波形存儲：Up to four 16-bit Memories (M1,M2,M3,M4). The length of each memory is equal to the data acquisition memory.
• 內存處理：Up to four 16-bit Waveform Processing Memories (A,B,C,D).
• 設置內存：Four non-volatile memories. Optional IC Memory Cards, floppy disk or PCMCIA hard drives may also be used for
• high-capacity waveform and setup storage.

光標測量

• 相對時間：Two cursors provide time measurements with resolution of ±0.05% full-scale for unexpanded traces; up to 10% of the sampling interval for expanded traces. The corresponding frequency value is displayed.
• 相對電壓：Two horizontal bars measure voltage differences up to ±0.2% of full-scale in single-grid mode.
• 絕對時間：A cross-hair marker measures time relative to the trigger and voltage with respect to ground.
• 絕對電壓：A reference bar measures voltage with respect to ground.

波形分析

• Up to four processing functions may be performed simultaneously. Functions available are：Add, Subtract, Multiply, Divide, Negate, Identity and Summation Averaging.
• 平均值：Summed averaging of up to 1,000 waveforms in the basic instrument. Up to a million sweeps are possible with Option WP01.
• Envelope*：Max, Min, or Max and Min values of up to one million sweeps.
• ERES*：Low-Pass digital filter provides up to 11 bits vertical resolution.
  Sampled data is always available, even when a trace is turned off. Any of the above modes can be invoked without destroying the data.
• FFT*：Spectral Analysis with four windowing functions and FFT averaging.
  *Envelope and ERES modes are provided in Advanced Math Package WP01, FFT is in Package WP02.

自校

• Pressing Autosetup sets timebase, trigger and sensitivity to display a wide range of repetitive signals.
  (Amplitude 2 mV to 40 V; frequency above 50Hz; Duty cycle greater than 0.1%).
• 自校時間：Approximately 2 seconds.
• 垂直感應：Automatically sets sensitivity and offset.

概要

• Auto-calibration ensures specified DC and timing accuracy.
• Shock and Vibration：Meets MIL-STD-810C modified to LeCroy design specifications and MIL-T-28800C.
• 電源功率：90-250 VAC, 45-66 Hz, 350 W.

Option WP01 provides Summed and Continuous Averaging, Waveform Math Functions, Extrema and Enhanced Resolution Modes.

Functions can be chained together, allowing complex computations. Waveform operations can be performed on live, stored, processed or expanded waveforms without altering the original capture data.

Optional Spectral Analysis Package - WP02

Option WP02 provides comprehensive Spectral Analysis capabilities permitting the system designer to identify characteristics which may not be apparent in the time domain. WP02 provides a wide selection of windowing functions as well as averaging in the frequency domain (see page 59 of Catalog).

Spectral analysis can be performed on repetitive and single-shot waveforms, on any part or zoomed portions of a waveform up to 4M points, not just the first 10k points of the waveform.

Optional Parameter Analysis Package - WP03

Option WP03 provides extensive parameter analysis capabilities. Detailed statistical analysis can easily be performed on difficult to measure waveform phenomena such as amplitude fluctuation and timing jitter. Live histogram displays represent the statistical distribution of the user selected waveform parameter measurements. Statistical information can be extracted directly from the histograms using automatic statistical measurement including max, min, average, median, and std. deviation (see page 63).

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