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VHFLI

50 MHz / 200 MHz 锁相放大器

主要特点

  • 分析、生成与控制功能覆盖直流至50 MHz（搭配VHF-F200M选件可达200 MHz）
  • 精确测量多达两路电流与两路电压信号
  • 快速测量时间与极低本底噪声
  • 通过LabOne®时间线模块统一编排复杂的连续波与脉冲测量序列
  • LabOne®工具集包含示波器、扫描仪、频谱分析仪
  • 通过升级选件扩展您的工具集

价格

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文档

苏黎世仪器VHFLI是一款数字式多功能测量仪器，频率范围覆盖直流至50 MHz（搭配VHF-F200M选件可达200 MHz）。

凭借业界领先的模拟性能设计，它继承了前代仪器久经考验的强大功能，这些功能集成包括反馈回路、多频操作、任意波形生成和边带分析。

通过VHFLI，您将能够：

  • 通过同时运行示波器、扫描仪、频谱分析仪等多种工具，从多个维度全面观察您的信号。
  • 通过LabOne时间线模块协调脉冲、触发、测量与控制器，统一编排您的测量序列。
  • 快速建立精确的多通道电流与电压测量，并具备超低本底噪声。
  • 借助极短的时间常数捕捉快速信号动态，并提升数据吞吐量。
  • 高效使用LabOne图形用户界面与应用程序接口，其具备用户友好操作和实验室就绪的工作流程。
  • 利用差分输入最大化信号完整性。
  • 通过算术单元对信号执行算术运算。
  • 以极具竞争力的价格享受业界领先的性能优势。

Related Publications

Shuang Guo, Chen Zhou, Wei Yu, Liuhao Ma, Jianguo Du, Yu Wang

Wavelength Modulation Heterodyne Phase-Sensitive Dispersion Spectroscopy (Invited)

Acta Optica Sinica (Online), 2026, 3(4): 0412003(in chinese)

DOI: 10.3788/AOSOL250560

M. Houot, Z. Qiao, B. Hu, D. Nodari, F. Furlan, F. Aniés, Y. Yang, M. Heeney, A. A. Bakulin and N. Gasparini

The Dynamics of Interfacial Trap States in High-Detectivity Near-Infrared Photomultiplication Organic Photodetectors

Advanced Functional Materials

DOI: https://doi.org/10.1002/adfm.202518210

Matilde Brunetta et al.

Selective Charge Extraction Allows Fast Photomultiplication and Imaging in Rigid and Ultra-Flexible SWIR Organic Photodiodes

Advanced Energy Materials

DOI: https://doi.org/10.1002/aenm.202506776

Valentin Fonck, Mohammadali Razeghi, Jean Spiece, Phillip Dobson, Jonathan Weaver, George Ridgard , Grayson Noah and Pascal Gehring

Characterization of Heat Transfer in 3-D CMOS Structures Using Sideband Scanning Thermal Wave Microscopy

IEEE Xplore

Link to paper

Ma, H., Chen, Y., Qiao, S., He, Y., & Ma, Y.

A high sensitive methane QEPAS sensor based on self-designed trapezoidal-head quartz tuning fork and high power diode laser

Photoacoustics 42, 100683 (2025)

DOI: https://doi.org/10.1016/j.pacs.2025.100683

VHF-F200M

Frequency Extension

VHF-F200M Frequency Extension

主要特点

  • Extends the frequency range of VHFLI instrument from 50 MHz to 200 MHz
  • Field-upgradeable option
  • Compatible with other options
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VHF-MD

Multi-Demodulator Option

VHF-MD Multi-Demodulator Option

主要特点

  • 6 additional demodulators and oscillators
  • Free oscillator selection for all demodulators
  • Arbitrary choice of frequency for all 8 demodulators
  • Output adder for a combination of up to 8 sinusoidal signals
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VHF-MOD

Modulation Analysis Option

VHF-MOD Modulation Analysis Option

主要特点

  • Simultaneous sideband modulation and demodulation
  • 2 independent AM/FM modulation units with 3 frequency components each
  • Adjustable filter settings for each frequency component
  • Dual-modulator (signal output) configuration
  • Harmonic sideband analysis (2 sidebands)
  • Sideband separation (single-sided modulation)
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VHF-PID

Multi PID/PLL Controller Option

VHF-PID Multi PID/PLL Controller Option

主要特点

  • 5 independent PID controllers
  • Input selection includes demodulator data with X, Y, amplitude and phase
  • Output selection includes output amplitudes, oscillator frequencies, demodulator phase
  • Phase unwrap for demodulator phase data (± 1024 π)
  • Low-pass filter for the derivative branch
  • Cascaded control for fast and slow axis operation
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VHF-AWG

Arbitrary Waveform Generator

VHF-AWG Arbitrary Waveform Generator

主要特点

  • Dual 200 MHz AWG
  • 200 MHz bandwidth, 2 GSa/s
  • 14-bit vertical resolution
  • Integration with the Timeline Module
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VHF-BOX

Boxcar 平均器选件

option box

主要特点

  • 2 个 Boxcar 平均器单元
  • 输入源可选电压或电流输入
  • 最高 50/200 MHz 重复频率
  • 零采集死区时间
  • 基线抑制和差分测量功能
  • 最高 100 万个平均周期
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