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双槽 3U PXIe 的 6GHz 宽带 VSA,1.015GHz 瞬时带宽单次覆盖整个 5GHz 频段,残余 EVM 低于 -50dB。
把 z8653 VSA 扩展到 20GHz 的射频下变频模块组,无镜像架构、基波抑制通路,20GHz 全扫 1.5 秒内完成。
面向 I/Q 调制的双通道任意波形发生器,1GS/s 16bit DAC、DC 至 500MHz 复调制带宽,抖动 ≤500fs。
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z8453 2.5GS/s 1GHz带宽 中频I/Q数字化仪|LitePoint (停产)

2.5GS/s 中频数字化仪,1GHz 瞬时带宽,支持差分基带与单端中频输入,内置实时 DDC。
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LitePoint
z8453 2.5GS/s 中频数字化仪
2.5GS/s · 1GHz 瞬时带宽 · 实时 DDC · 差分基带 + 单端中频输入
产品简介
z8453 跟 z8451 是同一路数的分工:z8451 做基带 I/Q,z8453 做**中频**。
采样率 2.5GS/s,瞬时带宽 **1GHz**——这个量级对 DOCSIS 3.1 上行信号分析是必要的,那条链路的占用带宽轻松过几百 MHz。
输入给两套:**差分基带 IN+/-** 与 **单端 IF IN**。
单端中频输入的存在让它可以直连下变频链路的中频输出,不需要再转差分。
同样带实时正交 DDC 与分数重采样,所以宽采与窄析可以在同一块卡上切换。
还有一个容易忽略的接口:**4 针双向数字 IO**(DIO1,8 针排针),用来做 MIPI、SPI、I2C 这类总线握手。
采集与激励同步这件事,靠的就是这个通道——不然时序对不齐,测出来的相位关系没意义。
2.5GS/s 中频数字化仪模块,带实时数字下变频(DDC)。
核心参数
• 采样率:2.5GS/s
• 瞬时带宽:1GHz
• 输入通道:差分基带 IN+/-;单端 IF IN
• 输入阻抗:50Ω 单端 / 100Ω 差分
• 输入驻波:≤1.9:1(10kHz 至 460MHz 典型)
• 输入最大不损坏电平:-2V 至 +5V(单端,DC+峰值)
• 数字 IO:4 信号(DIO1,8 针排针),支持 MIPI / SPI / I2C
• 时基:内部 TCXO ±2.5ppm;外部或背板 CLK10/CLK100
• 接口:SMA 信号口,SMB 外触发/参考
功能特性
• 1GHz 瞬时带宽:DOCSIS 3.1 上行与宽带中频信号一次采完。
• 2.5GS/s 采样:宽带信号的细节不被欠采样抹平。
• 实时 DDC:硬件内正交下变频与分数重采样,数据率可降。
• 差分 + 单端双输入:基带与中频两种接口都支持,接线灵活。
• 4 针数字 IO:MIPI / SPI / I2C 总线握手,采集与激励同步。
• 低底噪高动态:小信号叠加在大载波旁也能分辨。
• 时基可切换:内部 TCXO 或外部/背板参考,多模块共时基。
应用场景
• DOCSIS 3.1 上行分析:宽带上行信号的中频采集与解调。
• 802.11ac 基带与中频:160MHz 信道信号分析。
• LTE-A 载波聚合:多载波中频信号同时捕获。
• 中频解调器测试:解调器输出的中频指标测量。
• 下变频链路验证:作为中频数字化单元接入系统。
• 宽带瞬态记录:大带宽单次捕获。
• ATE 系统集成:中频采集并入 PXIe 机箱。
• 研发信号分析:导出 I/Q 数据做算法验证。
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
z8453 2.5GS/s 中频数字化仪 详细指标
2.5GS/s · 1GHz 瞬时带宽 · 实时 DDC · 差分基带 + 单端中频输入
详细指标
指标取自 LitePoint 官方技术规格书(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。
前面板
• IN +,-:SMA | Differential baseband input
• IF IN:SMA | Single-Ended IF input
• EXT IN:SMB | External input for trigger or reference
• EXT OUT:SMB | External output for trigger, reference or event
• DIO1:Header, 8-pin | Digital input/output, 4-signal (e.g. MIPI, SPI, I2C)
基带输入
• 通道:One Differential Input, IN+/-
• Input Impedance Single-ended Differential:50 Ω 100 Ω ≤ ±1% accuracy
• Input VSWR ** 10 kHz to 460 MHz 460 MHz to 1 GHz:≤ 1.9:1 (R.L. < -10dB) Typical ≤ 3.5:1 (R.L. < -5dB) Typical
• Input Bias Current**:≤ ±10 μA
• 连接器:SMA
• Absolute Maximum Input (no damage) Single-ended:-2 V to +5 V (DC + peak AC), CAT I
• Input Voltage Range:+4 dBm (1 Vppd)
• Input Voltage Range Accuracy (500 MHz):≤ +0.1 / -0.3 dB at 25 °C ambient ≤ ±0.03 dB drift per °C
• Input Offset Adjustment:No adjust
• Analog Bandwidth -3 dB Bandwidth Stopband Rejection:10 kHz to 1 GHz ≥ 80 dB at 2 GHz
• Passband Flatness 10 kHz to 50 MHz 10 MHz to 800 MHz 10 kHz to 1.015 GHz:+0.2 / -0.2 dB +0.5 / -1.0 dB +0.5 / -3.0 dB
• 通道:One Single-Ended Input, IF IN
• 输入阻抗:50 Ω ≤ ±1% accuracy
• Input VSWR ** 20 MHz to 575 MHz 575 MHz to 1 GHz:≤ 1.9:1 (R.L. < -10 dB) Typical ≤ 1.44:1 (R.L. < -15 dB) Typical
• Input Bias Current**:≤ ±1 nA (AC coupled)
• Absolute Maximum Input (no damage):±2 V (DC + peak AC), CAT I
• Analog Bandwidth -3 dB Bandwidth Stopband Rejection:10 MHz to 1 GHz ≥ 80 dB at 2 GHz
• Passband Flatness 40 MHz to 50 MHz 40 MHz to 750 MHz 40 to 1.015 GHz:+0.25 / -1.0 dB +0.75 / -1.4 dB +0.75 / -3.0 dB
• Harmonic Distortion:≥ 74 dBc at 250 MHz
• Average Noise Density IN +/- IF:≤ -138 dBm/Hz ≤ -143 dBm/Hz
时基参考
• Timebase Reference:10 MHz or 100 MHz
• Timebase Reference Source:Internal TCXO, External Input, Backplane CLK10 or CLK100 (PXIe)
• Internal TCXO Timebase:±2.5 ppm accuracy
• Timebase Output:External Output
Analog-to-Digital Converter (ADC) & Digital Downconverter (DDC)
• ADC Vertical Resolution:Bits 0.024% of full-scale range
• ADC Clock Frequency:2.5 GS/s sampling
• ADC Clock Jitter **:≤ 150 fs RMS
• I/Q Data Vertical Resolution2:up to 32 bits 16-bit and 32-bit data formats
• I/Q Data Rate (flexible data rate with fractional resampling):123 S/s to 312.5 MS/s, 612.5 MS/s, & 1.25 GS/s 2.5 GS/s (DDC Bypass) 1 Hz resolution
• I/Q Data Memory:512 MiByte total
• I/Q Waveform Size (matched I/Q sizes):up to 128 MiSamples (16-bit data) up to 64 MiSamples (32-bit data for ≤312.5MS/s sample rate)
• Input Channel Mode (DDC input feed):RF input Baseband IN+/- input IF IN input
• Baseband/IF Instantaneous Bandwidth (alias-free):81.25% of sample rate (DDC enabled) 1.015 GHz, 507 MHz, or 253 MHz to 100 Hz, 1 Hz resolution
• Baseband/IF Resolution Bandwidth:Hz to 3 MHz 0.1 Hz resolution
• Baseband/IF Center Frequency:Hz to 1.25 GHz 1 Hz resolution
WLAN 调制分析
• 20 MHz:-57 dB (0.14%) | -36 dB (1.6%)
• 40 MHz:-52 dB (0.25%) | -32.5 dB (2.4%)
• 80 MHz:-50 dB (0.32%) | -30 dB (3.2%)
• 160 MHz:-47 dB (0.45%) | -27 dB (4.5%)
• 频率范围:± 625 kHz
• 频率误差:± 10 Hz + (reference accuracy X center frequency)
触发
• Trigger Source:I, Q, Envelope, External Input, DIO, Pattern, Software, Immediate (no trigger), TTL Trigger 0-7, Star Trigger
• Trigger Slope/Polarity:Positive or Negative
• Trigger Position:Pre-Trigger & Post-Trigger
• Trigger Jitter:≤ 2.5 ns peak-to-peak
• Trigger Resolution:Signal Triggers: Minimum 3.2ns @ F ≥ 312.5 MHz, else 1/( F ) SAMPLE SAMPLE
• Trigger Hysteresis (time):Defines trigger hold-off time 0 to 209 µs
• Trigger Hysteresis (amplitude):Trigger hysteresis in percentage or volts
外部输入(前面板)
• 功能:Trigger Input, Timebase Reference Input
• 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
• Output Event Source:Trigger Event, Capture Complete Event, Operation Complete Event, Master Summary Status 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 26.667 ns resolution 50% Duty Cycle
• Programmable Pulse Pulse Repetition Interval Pulse Width:26.667 ns to 100 seconds, 26.667 ns resolution 13.333 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:Programmable Level: Default: +3.3 V into open load Open load: 0 to +5 V 50 Ω load: 0 to +4.1 V Level accuracy: ±5% Output Drive: ≥ ±90 mA
• Output Enable:Tri-State Output Capability
• Current Sense:±90 mA current sense range Triggered or immediate capture 0.1mA resolution
• 连接器:SMB
Digital Input/Output (DIO) Front Panel 3
• 功能:4-bit bi-directional Digital I/O software programmable. Future serial interfaces such as MIPI, SPI, I2C, etc
• Programmable Clock Rate:Up to 50 MHz
• Programmable Logic:≥ 5 ns resolution
• Programmable Direction:Input (52 kΩ pull-up) or Output
• Programmable Source/Destination:Backplane triggers, external in/out, trigger event
• Output Enable:Tri-State Output Capability
• 连接器:8-pin Latching Header
Backplane Trigger
• 功能:Multi-Instrument Synchronization Trigger, Event Output Signals
• Triggers:TTL Trigger 0-7
• Direction:Input or Output
• Source:Trigger 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
Traces
• Trace Channels:Quantity 8
• Trace Size:Up to 512 KiSample 32-bit floating point data
• Trace Feed (source):Input Channels or Reference Channels
• Trace Type:Write (Live), Average, Max Hold, Min Hold (Reference Feeds use Write Type only)
• Trace Average Count:2 to 65535
• Trace Data Format:Linear Magnitude, Logarithmic Magnitude, Phase, Real, Imaginary, 32-bit floating point data
参考波形
• Reference Channels:Quantity 4
• Reference Storage:Non-volatile memory storage
• Reference Data:KiSample maximum waveform size 32-bit floating point data
• Reference Data Format:Linear Magnitude, Logarithmic Magnitude, Phase, Real, Imaginary, 32-bit floating point data
Markers
• Marker Channels:Quantity 2
• Marker Functionality:Waveform Trace Magnitude and Frequency Markers
• Marker Source:Trace 1-8
• Marker Peak Search Search Methods Selectable Search Options:Maximum, Next Maximum by Amplitude, Next Maximum Left, Next Maximum Right Absolute Threshold, Relative Excursion
数据处理与下载
• Self-Calibration:Automatic internal calibration: spur cancellation
• Waveform Data Formats:16-bit or 32-bit signed integer (I/Q time-domain data) 32-bit floating point (Trace or Reference data) Intel or Motorola Byte Order
仪器存储状态
• 功能:Non-volatile storage of instrument setup configuration
• Stored States:State 0 is Reset State Power-On State programmable
指示灯
• RDY (Ready):OFF: Hardware Failure ON: Unit has passed power-up self-diagnostics TOGGLE: Unit has an error pending in error queue
• TRG (Trigger):OFF: Trigger event not detected ON/PULSE: Trigger complete event detected TOGGLE: Device identify enabled
PXIe 接口
• PXIe Slot Compatibility:PXI Standard Slot and PXIe Hybrid Slot Compatible
• PXI Timing & Triggering Signals (XJ4 Connector):PXI_TRIG[0:7] input/output PXI_STAR input PXI_CLK10 input
• PXIe Timing & Triggering Signals (XJ3 Connector):PXI_DSTARA input (unused PXI_STAR input PXI_CLK10 input
物理与环境
• 尺寸:Single-Wide 3U PXIe Instrument 8.25” x 0.79” x 5.25” (L x W x H) 20.96 cm x 2.01 cm x 13.34 cm (L x W x H)
• 重量:11.9 oz or 337 g
• 工作条件:0°C to +40°C ambient (MIL-PRF28800F Class 3)
• 存储:-40°C to +75°C (MIL-PRF28800F Class 3)
• Over-Temperature:Automatic shutdown if internal temperature exceeds +50°C
• Calibration Range:+20°C to +30°C ambient, after a 20 minute warm-up period, to meet all calibration specification accuracies
• Operating or Storage Up to +30°C +30°C to +40°C above +40 °C:5 to 95% ± 5% non-condensing, 5 to 75% ± 5% non-condensing, 5 to 45% ± 5% non-condensing
• 工作条件:Up to 5 km
• 存储:Up to 15 km
资源下载
以上规格取自 LitePoint 官方技术规格书(PDF)与官网产品页;标注「典型」的为厂家典型值。
LitePoint · onetest 仪器资源库

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官方渠道(官网 / 热线 / 邮箱)


• 官网 www.litepoint.com


• 联系方式与销售咨询

www.litepoint.com/about/contact-us


• 技术支持与服务 www.litepoint.com/support


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• 总部电话 +1.408.456.5000


全国办事处


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• 地址

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• 电话 +86.21.6168.0810


• 传真 +86.21.6168.0809


中国区办事处(深圳)


• 地址

Room G-I, 6F, K-building,No.28 Keji South Road 12th,Nanshan District, Shenzhen 518057, P.R.C.


• 电话 +86.755.3391.0588


• 传真 +86.755.3391.0586


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


• Teradyne/LitePoint Illinois:21440 W. Lake Cook Road, 6th Floor,Deer Park, Illinois 60010;电话:+1.408.456.5000


• LitePoint Southern California:10509 Vista Sorrento Pkwy., Suite 116,San Diego, CA 92121 USA;电话:+1.408.456.5000


• LitePoint Denmark

Alfred Nobels Vej 27, 3. 9220,Aalborg Øst, Denmark;电话:+45.48.10.70.70;传真:+45.48.10.70.80


• LitePoint Israel

Sironit st,Building #18 MATAM,Haifa 3508409, Israel;电话:+972.4.911.2288;传真:+972.4.911.2290


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


• 电话 +91.98451.03198


美洲授权分销商(Starvoy)


• 地址

Canada,4017 Carling Ave., Suite 101,Ottawa, Ontario K2K 2A3,Canada


• 电话 +1 (613) 592-8910


• 邮箱 sales@starvoy.com


• 网址 www.starvoy.com


美洲授权分销商(WD Tech)


• 地址 Argentina and Brazil


• 电话 +55 (92) 98450-9454


• 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


• 电话 +33 0147959900


• 传真 +33 0147011622


• 网址 www.es-france.com


欧洲 / 中东 / 非洲授权分销商(AlfaTest SRL)


• 地址

Cermena 22,300110 Timisoara,Romania


• 电话 +40 356401687


• 邮箱 office@alfatest.ro


• 网址 www.alfatest.ro


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


• 电话 +1(978) 458-0200


• 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


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• 覆盖

Alabama, Mississippi, Tennessee, Georgia, South Carolina, North Carolina


• 电话 +1 (256) 325-8926


• 邮箱 info@southbridge.com


 

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