Launch/status: January 2026
The Zurich Instruments VHFLI Lock-in Amplifier is a high-performance digital measurement instrument designed for demanding signal analysis and precision measurement applications. It operates across a wide frequency range, from DC up to 50 MHz, with an optional extension to 200 MHz using the VHF-F200M option.
Building on Zurich Instruments’ established lock-in amplifier technology, the VHFLI combines excellent analog performance with advanced digital signal processing. It supports sophisticated measurement techniques including integrated feedback control, multi-frequency measurements, arbitrary waveform generation, and sideband analysis.
Key Features and Capabilities
- Wide frequency range – Measurements from DC to 50 MHz, expandable up to 200 MHz.
- Multiple analysis tools – Run the Scope, Sweeper, Spectrum Analyzer, and other measurement tools simultaneously for a comprehensive view of your signals.
- Advanced measurement sequencing – Coordinate pulses, triggers, measurements, and control functions using the LabOne Timeline Module.
- Precision multichannel measurements – Perform accurate current and voltage measurements with an ultra-low noise floor.
- Fast signal acquisition – Short time constants enable the capture of rapid signal dynamics while supporting high data throughput.
- Differential inputs – Improve signal integrity and reduce interference in sensitive measurement environments.
- Integrated Arithmetic Unit – Perform mathematical operations directly on measured signals for advanced analysis and processing.
- LabOne software platform – Configure, visualize, and automate measurements through the intuitive LabOne GUI and comprehensive APIs.
The VHFLI provides a flexible platform for high-frequency and precision measurements, making it well suited for applications in photonics, quantum research, materials science, sensors, electronics, and advanced laboratory instrumentation.
