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300MHz 带宽的 PXI 数字化仪/示波器模块，实时采样 800MS/s、等效采样最高 100GS/s，支持差分输入
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z4441 300MHz 800MS/s PXI数字化仪与示波器|LitePoint (停产)
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LitePoint
z4441 数字化仪/示波器模块
300MHz 带宽 · 800MS/s 实时采样 · 等效采样最高 100GS/s · 深存储
产品简介
这台模块的角色是把**时域**补进 zSeries 平台。
射频测试看频域指标（EVM、ACLR、频谱模板），但抓瞬态、看上升沿、查电源纹波、量上下电时序，需要的是实时采样与深存储——那是示波器的活。
两个采样模式分工明确：**实时 800MS/s** 用于单次瞬态捕获；
**等效与内插采样最高 100GS/s** 用于周期性信号的高分辨率重建。
300MHz 带宽（标准选件最低 250MHz）覆盖基带、中频、电源与控制信号，差分输入则解决浮地、共模噪声与大电流测量的接地问题。
PXI 与 PXIe 混合槽都兼容，触发总线（PXI_TRIG、PXI_STAR、PXIe_DSTAR）都能用——这意味着它可以跟 VSG/VSA 模块共用触发，把「发一个激励、抓一段波形」做成一次同步动作。
300MHz 模拟带宽的 PXI 数字化仪与示波器二合一模块。
核心参数
• 模拟带宽：300MHz 典型 / 250MHz 最小（标准选件）
• 实时采样率：最高 800MS/s
• 等效/内插采样：最高 100GS/s
• 通道：差分输入
• 槽位兼容：PXI 标准槽与 PXIe 混合槽
• 触发总线：PXI_TRIG[0:7]、PXI_STAR、PXIe_DSTAR、PXIe_SYNC100
功能特性
• 双采样模式：实时抓单次瞬态，等效采样做高分辨率重建。
• 100GS/s 等效采样：周期性信号的时间分辨率远高于实时采样率。
• 深存储：长窗口捕获不丢细节，适合上下电全过程记录。
• 差分输入：浮地、共模噪声、电流测量场景不受接地影响。
• PXI/PXIe 双兼容：标准槽与混合槽都能插，机箱配置灵活。
• 触发总线打通：与同机箱射频模块共用触发，激励与采集同步。
• 通用示波器功能：日常观察、分析与测量都在同一块模块里完成。
应用场景
• 瞬态信号捕获：上电冲击、毛刺、ESD 事件的完整波形记录。
• 电源完整性：纹波、跌落、负载跳变的时域测量。
• 上下电时序：多路电源的先后顺序与延时验证。
• 差分信号测量：电流采样、浮地信号与共模抑制。
• 视频与模拟信号：基带与中频模拟波形的直接观察。
• ATE 系统集成：把示波器功能并入 PXIe 机箱，省一台台机。
• 与射频模块联动：同步触发，激励与响应一次动作完成。
• 产线功能验证：需要看波形而非只看指标的工位。
资源下载
以上内容与指标均取自LitePoint（莱特波特）（LitePoint）官网该产品详情页与官方产品资料，未标注口径的为厂家公布值。
LitePoint · onetest 仪器资源库
LitePoint
z4441 数字化仪/示波器模块 详细指标
300MHz 带宽 · 800MS/s 实时采样 · 等效采样最高 100GS/s · 深存储
详细指标
指标取自 LitePoint z4441 技术规格书（PDF）。该型号官方已标注 Discontinued（停产），本站仍保留其页面与指标供存量系统参考。
端口说明
• CH1 CH2：BNC ｜ Channel N input
• PRB 1 PRB 2：Custom ｜ Channel N accessory connector
• EXT IN：SMB ｜ External input for trigger or reference
• EXT OUT：SMB ｜ External output for trigger, reference or event
Acquisition
• Non-Interleaved Real-Time：20 kS/s
• Interleaved or Equivalent-Time：800 MS/s
• Equivalent Time：1.6 GS/s
• Interleaved Equivalent-Time：80 GS/s
• Non-Interleaved Acquisition：2 channels @ up to 400 MS/s real-time
• Interleaved Acquisition：1 channels @ up to 800 MS/s real-time
• Sampling Modes：Normal: single-shot acquisition Average: multiple-capture acquisition Envelope: multiple-capture minimum & maximum detection Equivalent Time: multiple-capture high-rate reconstruction Peak Detect: single-shot 10x over-sampling envelope detection High Resolution: single-shot 10x over-sampling averaging Fast: Multiple acquisitions
• Multiple-Capture Count：2 to 65536 waveforms in powers of 2
• Acquisition Re-Arm Time：≤ 5 μs
• Total Memory：256 MiSamples
• Maximum Record Length Non-Interleaved Interleaved：128 MiSamples 256 MiSamples
• Minimum Waveform Size：Samples
• Maximum Waveform Size Normal or Fast Acquisition Mode All other modes：Maximum Record Length (above) 512 KiSamples
• Segmented Memory：View & compare history of previous waveforms in memory. View component waveforms when averaging.
• Maximum Segments：Ki waveforms @ ≤ 4 KiSamples
Vertical
• 连接器：BNC
• Maximum Input (50 Ω)：±5 V (DC + peak AC), CAT I Input load protection at ±6 VDC
• Maximum Input (1 MΩ)：±210 V [DC + peak AC (<100 kHz)], CATI Peak AC, de-rated 20 dB/decade above 100 kHz
• Digitizer Resolution：14 bits (0.006% of full scale) Up to 32 bits with averaging
• 1 MΩ：5 V/div ｜ Vpp ｜ 0V ｜ ±25 V
• 50 Ω：1 V/div ｜ Vpp ｜ 0 V ｜ ±5 V
• Analog Bandwidth：DC to 300 MHz typical, 250 MHz minimum Due to an impedance mismatch between the signal generator and the oscilloscope, passing this test with a 200 MHz signal verifies 250 MHz performance on the 1 MΩ path.
• Analog Bandwidth, Probe Z6103 Passive x103：DC to 300 MHz typical, 250 MHz minimum
• Rise Time4：1.15 ns
• Slew Rate：2 kV/μs
• 阻抗：1 MΩ || 12 pF or 50 Ω ±1% accuracy
• Input Bias 50 Ω 1 MΩ：≤ ±10 μA ≤ ±1 nA
• DC Gain Accuracy：< ±0.25% full scale range
• DC Offset Accuracy (+25°C) 50 Ω 1 MΩ：< ±(0.25% full scale range + 0.5% offset + 1 mV) < ±(0.25% full scale range + 0.5% offset + 5 mV)
• DC Offset Drift (per °C)：< ±(0.01% full scale range)
• Input VSWR (50 Ω)：≤ 1.3:1, DC to 250 MHz
• Coupling：DC or AC
• AC Coupling 50 Ω 1 MΩ：200 kHz high-pass5 10 Hz high-pass
• Analog Filter：20 MHz or Bypass Filter Stopband Rejection: approx. 3 dB @ 20 MHz
• Probe Attenuation：0.9 to 1000:1
• Channel-to-Channel Isolation DC to 100 MHz 100 MHz to 250 MHz：≥ 60 dB ≥ 50 dB
• Vpp：61.2 dBc ｜ -62.8 dBc ｜ 58.9 dBc ｜ 65.0 dBc
• Vpp：59.0 dBc ｜ -64.3 dBc ｜ 57.9 dBc ｜ 65.0 dBc
• Vpp：60.0 dBc ｜ -62.8 dBc ｜ 58.2 dBc ｜ 65.0 dBc
• Vpp：58.2 dBc ｜ -64.3 dBc ｜ 57.3 dBc ｜ 65.0 dBc
• 400 mVpp：55.7 dBc ｜ -64.1 dBc ｜ 55.1 dBc ｜ 65.0 dBc
• 200 mVpp：50.5 dBc ｜ -64.9 dBc ｜ 50.4 dBc ｜ 63.3 dBc
• 80 mVpp：49.4 dBc ｜ -63.9 dBc ｜ 49.3 dBc ｜ 55.5 dBc
• 40 mVpp：43.5 dBc ｜ -63.1 dBc ｜ 43.4 dBc ｜ 48.9 dBc
Horizontal
• Sweep Time Range6：12.5 ns to 100 s (1.25 ns/div to 10 s/div)
• Sweep Time Resolution：10 ns to 10 ms dependent on sweep points and sample rate
• Horizontal Position Pre-Trigger Post-Trigger：0 to 100% of acquisition window 0 to 10,000*Gate Resolution
• Channel-to-Channel Skew Channels 1-to-2：Channels at same input settings ≤ 100 ps
• Skew Adjust：±10 μs channel-to-channel skew adjustment 1 sample interval resolution ±1 sample interval accuracy
• Timebase Reference：10 MHz
• Timebase Reference Source：Internal TCXO, External Input, Backplane (PXI)
• Internal TCXO Timebase：±2.5 ppm accuracy
• Timebase Output：External Output
触发
• Sweep Modes：Auto or Normal triggered
• Trigger Source：Channels 1 to 4, External Input, Pattern, Software, TTL Trigger 0-7, Star Trigger
• Trigger Slope/Polarity：Positive or Negative
• Trigger B：Qualify trigger on second source for edge trigger event
• Trigger A Holdoff：Programmable delay after trigger A before recognizing next trigger A event
• Trigger B Holdoff：Programmable delay after trigger A before recognizing trigger B event
• Trigger A/B Holdoff Range：0 to 100 seconds
• Trigger A/B Event Counter：Qualify trigger on Nth Trigger event, N=1 to 65536
• Trigger A Modes：Edge, Pattern, State, Pulse Width, Video
• Trigger B Modes：Edge, Pattern
• Pattern Trigger Mode：Pattern match true or false
• Pattern Sources：Channels 1 to 4, External Input, TTL Trigger 0-7, Star Trigger
• State Trigger Mode：Edge event when pattern match true or false. Pattern source used as Arm qualifier
• Pulse Width Trigger Mode：Trigger on pulse width greater than, less than, within, or outside limits < Limit 1, > Limit 1, Limit 1 < width < Limit 2, Limit1 > width > Limit 2
• Pulse Width Limits：10 ns to 500 ms 5 ns resolution ±5 ns accuracy
• Pulse Width Minimum：2 ns pulse width captured for < Limit1
• Video Trigger Mode：PAL (50 Hz), NTSC (60Hz), SECAM (50 Hz) Standard, Field, Line selectable
• Trigger Timestamp：100 ns resolution, 1 second rollover
Trigger, Analog Input
• Analog Input Triggers：Channels 1 to 2
• Trigger Level：(offset - full scale range/2) to (offset + full scale range/2)
• Trigger Hysteresis：2.5% (overdrive required)
• Trigger Level Resolution：0.025% of full scale range
• Trigger Level Accuracy：±(2% full scale range + 5 mV + offset accuracy)
• Trigger Sensitivity DC to 100 MHz > 100 MHz：5% of full scale range 10% of full scale range
• Trigger Bandwidth：DC to 300 MHz typical, 250 MHz minimum
• Glitch Detection：≥ 500 ps glitch captures in edge trigger mode
Arm
• 功能：Arm to qualify Trigger Event
• Source：External Input, TTL Trigger 0-7, Star Trigger, Software
• 极性：Positive or Negative
外部输入（前面板）
• 功能：Trigger Input, Timebase Reference Input, External Arm
• Absolute Maximum Input (no damage)：≤ ± 5 V (DC + peak AC), CAT I
• Input Trigger Level Adjustment：-2 V to +2 V 0.5 mV resolution ≤ 20 mV accuracy 20 mV overdrive (input hysteresis)
• Input Bandwidth (-3 dB)：≥ 250 MHz
• 输入阻抗：1 MΩ || 30 pF or 50 Ω ≤ ±2% accuracy
• 连接器：SMB
外部输出（前面板）
• 功能：Trigger Output, Timebase Reference Output, Event Output, Programmable Clock Output, Programmable Pulse Output, Constant Level, and Probe Compensation Output
• Output Event Source：Arm Event, Trigger A Event, Trigger B Event, Trigger Complete Event, Capture Complete Event, Operation Complete Event, Master Summary Status Event, Limit Test Successful Event
• 极性：High or Low Truth
• Programmable Event Pulse Width：50 ns to 163 ms
• Programmable Clock：Period: 26.667 ns to 100 seconds 50% Duty Cycle
• Programmable Pulse Pulse Repetition Interval Pulse Width：26.667 ns to 100 seconds 26.667 ns
• Probe Compensation：10 kHz Clock which can be used to compensate probes
• Limit Test Successful：Event pulse after each capture upon limit or mask test success
• Output Level：TTL Compatible into ≥ 200 Ω ≥ ±24 mA Output Drive
• Output Enable：Tri-State Output Capability
• 连接器：SMB
背板触发
• 功能：Multi-Instrument Synchronization Trigger, Event Output Signals
• Triggers：TTL Trigger 0-7
• Direction：Input or Output
• Source：Arm Event, Trigger A Event, Trigger B Event, Trigger Complete Event, Capture Complete Event, Operation Complete Event, Master Summary Status Event, Constant Level
• 极性：High or Low Truth
• Programmable Event Pulse Width：50 ns to 163 ms
• Measurements：AC RMS, Amplitude, Average, Cycle Average, Cycle Frequency, Cycle Period, Cycle RMS, DC RMS, Duty Cycle High, Duty Cycle Low, ENOB, Number of Falling Edges, Fall Crossing Time, Fall Overshoot, Fall Preshoot, Fall time, Frequency, High, Low, Maximum, Mid, Minimum, Peak-to-Peak, Period, Phase, Pulse Width Positive, Pulse Width Negative, Number of Rising Edges, Rise Crossing Time, Rise Overshoot, Rise Preshoot, Rise Time, SFDR, SINAD, SNR, Standard Deviation, THD, Time of Maximum, Time of Minimum
• Edge Measurements：Nth edge selectable, N = 1 to 65535
• Maximum Measurements：Nth maximum selectable, N = 1 to 100, Applies to Maximum and Time of Maximum
• Measurement Methods：Entire waveform, Gated by Time, Gated by Points, Gated by Frequency, Gated by Cursors
• Measurement Levels：Low, Mid, High reference levels for edge measurements set in absolute voltages or relative percentages
• Cursors：Quantity 2 Horizontal & vertical axis location markers X, Y, ΔX, ΔY Measurements
• Measurement Lists：Quantity 4 Up to 8 measurements per list that are performed upon acquisition Stored for rapid measurement setup
• Measurement Trending：Historic buffer of measurement data stored in Calculate channel (see Calculations)
• Measurement Accuracy Delta DC Voltage Absolute DC Voltage Time Frequency：±DC gain accuracy ±(DC gain accuracy + offset accuracy) ±time resolution ±(1/period of applied signal ± time resolution) Note: time resolution = one sample interval, one equivalent-time sample interval, or one interpolated-time sample interval (depending upon acquisition mode)
参考波形
• Reference Channels：Quantity 4
• Reference Storage：Non-volatile memory storage
• Reference Data：KiSample maximum waveform size 32-bit resolution
Calculations
• Calculate Channels：Quantity 4
• Calculate Data：512 KiSample maximum waveform size 32-bit resolution
• Calculate Functions：Add, Subtract, Multiply, Copy, Invert, Integral, Derivative, Absolute Value, Limit Test, Mask Test, Frequency Transform, Time Transform, Histogram, Measurement Trending
• Limit Test：Measurement limit range testing or waveform mask testing
• Limit Test Reporting：Measurement maximum, minimum, average, current value, pass count and fail count
• Frequency Transform：FFT Magnitude
• FFT Windowing：Rectangular, Hamming, Hann, Blackman, Flattop
• FFT Data Format：Linear Magnitude, Logarithmic Magnitude, Phase, Real, Imaginary
• Time Transform：Digital Infinite Impulse Response (IIR) filter
• IIR Filter Type：Auto-generate: Low-pass, 2 to 40 data point smoothing
• Histogram：
全部
LitePoint官方渠道
官方渠道（官网 / 热线 / 邮箱）
• 官网 www.litepoint.com
• 联系方式与销售咨询
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• 技术支持与服务 www.litepoint.com/support
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中国区办事处（深圳）
• 地址
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• 电话 +86.755.3391.0588
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海外办事处（亚太 / 美洲 / 欧洲·中东·非洲）
• LitePoint Technology, Ltd.：Taiwan，4F, No. 360, Ruiguang Road，Taipei 114, Taiwan；电话：+886.2.8979.1789；备用电话：0809.080.360；传真：+886.2.7745.5298
• LitePoint Japan, Teradyne K.K.：Japan，7F MM park Building，3-6-3, Minatomirai, Nishi-ku，Yokohama, 220-0012，Japan；电话：+81 45 414 3641
• LitePoint Vietnam Limited：Unit 401, HITC building, No. 239，Xuan Thuy street, Cau Giay，Hanoi, Vietnam；电话：+84.243.204.8288
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授权分销商
中国区授权分销商（Shanghai Qianpuyang Technology Co., Ltd）
• 地址
Room 3006, 158 Yixian Road，Hongkou District, Shanghai, China
• 电话 +86 13681973678
中国区授权分销商（Shenzhen Jinghongzhi Instrument Co.,Ltd）
• 地址
22F IMT Tower, No. 1, Gaoxin South 7th Avenue，Nanshan District, Shenzhen, Guangdong, China
• 电话 86-0755-84365666
亚太授权分销商（ACE Solution Co., Ltd.，中国台湾）
• 地址
Taiwan，2F-1. No. 28, Taiyuan St.，Jhubei City, Hsinchu 302, Taiwan
• 电话 +886.3.552.5633
• 传真 +886.3.553.5610
亚太授权分销商（ATE Service Corporation，Japan）
• 地址
Japan，5-6-23 Minamimachida, Machida-shi，Tokyo 194-0005, Japan
• 电话 +81.42.795.8600
• 传真 +81.42.795.8615
亚太授权分销商（Crezon Technology，Korea）
• 地址
Korea，1209, 388, Dunchon-daero，Jungwon-gu, Seongnam-si，Gyeonggi-do, Republic of Korea
• 电话 +82.31.777.8949
• 传真 +82.31.777.8945
亚太授权分销商（Hakuto Co., Ltd.，Japan）
• 地址
Japan，1-1-13 Shinjuku，Shinjuku-Ku Tokyo, 160-8910 Japan
• 电话 +81.3.3355.7643
• 传真 +81.3.3355.7693
亚太授权分销商（Innovsys Technologies Pte., Ltd.，Singapore）
• 地址
Singapore，111 North Bridge Road，#27-01 Peninsula Plaza，Singapore 179098
• 电话 +65.6389.1700
• 传真 +65.6389.1701
亚太授权分销商（SIP Technology (M) SDN BHD，Malaysia）
• 地址
Malaysia，36 Lorong IKS Bukit Tengah，Taman IKS Bukit Tengah 14000，Penang Malaysia
• 电话 +604 508 8318
亚太授权分销商（Premier Measurement Solutions Pvt., Ltd.，India）
• 地址
India，403, Sobha Amber, Jakkur Plantation，Yelahanka Bangalore, 560 064, India
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美洲授权分销商（Starvoy）
• 地址
Canada，4017 Carling Ave., Suite 101，Ottawa, Ontario K2K 2A3，Canada
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• 邮箱 sales@starvoy.com
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美洲授权分销商（WD Tech）
• 地址 Argentina and Brazil
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• 邮箱
rework-smartservice@smartservice-group.com
欧洲 / 中东 / 非洲授权分销商（Equipements Scientifiques S.A.）
• 地址
France，127 rue de Buzenval，92380 Garches, France
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• 传真 +33 0147011622
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欧洲 / 中东 / 非洲授权分销商（AlfaTest SRL）
• 地址
Cermena 22，300110 Timisoara，Romania
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欧洲 / 中东 / 非洲授权分销商（mmt gmbh | Meffert Microwave Technology）
• 地址
Germany，mmt gmbh | Meffert Microwave Technology，Im Kohlgarten 14，56414 Steinefrenz，Germany
• 电话 +49 6435 303 9820-20
• 网址 https://www.meffert-mt.de/
• 邮箱 sales@meffert-mt.de
美国授权渠道代表（ATM）
• 覆盖
Massachusetts, New Hampshire, Maine, Vermont, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, and Maryland
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• 邮箱 atm@atmink.com
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• 覆盖
Ohio, Indiana, Michigan, Western PA, Illinois, Wisconsin, Minnesota, North Dakota, South Dakota, Nebraska, Iowa, Kansas, Missouri
• 电话 +1(847) 202-9898
• 邮箱 sales@cain-forlaw.com
美国授权渠道代表（Cain Technologies）
• 覆盖 Southern California
• 电话 +1(805) 496-9702
• 邮箱 sales@caintech.com
美国授权渠道代表（Clearcomm）
• 覆盖 Florida
• 电话 +1(256) 721-0500
• 邮箱 sales@ClearCommSales.com
美国授权渠道代表（Ion Associates）
• 覆盖
All Latin America except for Argentina and Brazil
• 电话 +52 1 (33) 3122 0639
• 邮箱 admin@ionassoc.com
美国授权渠道代表（RFAN）
• 覆盖
Northern California and Northern Nevada
• 电话 +1 (408)752-7000
• 邮箱 sales@rfan.com
美国授权渠道代表（Southbridge）
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Alabama, Mississippi, Tennessee, Georgia, South Carolina, North Carolina
• 电话 +1 (256) 325-8926
• 邮箱 info@southbridge.com
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