HF2LI-PLL Dual Phase-locked Loop

The HF2LI-PLL is an option for the HF2LI and essentially provides a dual programmable digital phase-locked loop which enables fast frequency tracking. Zurich Instruments offers the world's fastest digital PLL, with a unique frequency range of up to 50 MHz using direct sampling technology. In combination with the multi-frequency and the AM/FM modulation options, the HF2LI can be considered as a ground breaking measurement tool for all advanced oscillation applications. The PLL from Zurich Instruments sets new standards in terms of operating range, bandwidth, programmability, and features.

HF2LI-PLL Key Features

• Dual programmable fully digital phase-locked loop
• Configurable phase detector and PID controller
• Fully integrated with dual-unit lock-in instrument
• PLL bandwidth programmable in a wide range
• Best-in-class harmonic input & harmonic output distortion
• Output of frequency deviation on auxiliary output connectors
• Easy to use HF2PLL Advisor tool
• Option upgradeable in the field

HF2LI-PLL Compatibility to Other Options

• Compatible to HF2LI-MOD AM/FM Modulation option

HF2LI-PLL User Benefits

• Enabling technology for multi-modal oscillations up to 50 MHz
• Single-box harmonic and higher modes analysis
• Plug & play into any existing microscopy setup
• Direct 50 MHz photodiode connection (bias and signal) with HF2TA Current Amplifier
• AFM publications and application know-how

HF2LI-PLL Applications

• Scanning Probe Microscopy (SPM)
• Atomic Force Microscopy (AFM)
• Kelvin Probe Force Microscopy (KPFM)
• Micro & Nano Electro Mechanical Systems (MEMS, NEMS)
• Magnetometer Characterization

HF2LI-PLL Functional Diagram

HF2LI-PLL Specifications