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Key Features

  • DC - 50 MHz, 210 MSa/s
  • 2 independent lock-in units, 2 signal generators
  • 1 fundamental and 2 harmonics per lock-in unit
  • 4 auxiliary outputs, 2 auxiliary inputs
  • USB 2.0, 480 Mbit/s
  • LabOne® toolset including Scope, Sweeper, and Spectrum Analyzer


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  • HF2LI-MF

    Multi-Frequency Option

    Key Features

    • Signal input switch matrix for all 6 demodulators
    • Arbitrary frequency for all 6 demodulators
    • Oscillator switch matrix
    • Individual demodulator filter settings (slope and time constant)


    AM/FM Modulation Option

    Key Features

    • Simultaneous amplitude modulation and demodulation
    • Simultaneous frequency modulation and demodulation
    • Dual-demodulator (input) and dual-modulator (output) configurations
    • Harmonic analysis
    • Sideband separation (single-sided modulation)
    • Support for bimodal and multi-modal modulation for AFM


    Dual Phase-Locked Loop Option

    Key Features

    • Dual programmable digital PLL
    • PLL bandwidth programmable over a wide range
    • PLL Advisor (for adjustment of target bandwidth)
    • Configurable phase detector and PID controller
    • Best-in-class harmonic input and harmonic output distortion
    • Output of frequency deviation on auxiliary output connectors
    • Fully integrated with dual-unit lock-in amplifier


    Quad PID Controller Option

    Key Features

    • 4 fully programmable PID controllers
    • PID Tuner and PID Advisor with 4 simulation models
    • Flexible setpoint configuration: toggle, external, manual, cascaded
    • Anti-windup
    • Arithmetic Unit


    50 MHz Current Amplifier

    Key Features

    • 50 MHz frequency range
    • 2 independent amplification channels
    • Wide range of precision transimpedance gain settings (100 V/A to 100 MV/A)
    • Integrated offset adjustment and compensation
    • Low noise and low input leakage
    • Bias output for sensor power
    • Dedicated interface to HF2 instruments (no direct PC link)
  • HF2PLL

    50 MHz Phase-Locked Loop

    Key Features

    • Dual 50 MHz PLL
    • 2 fully configurable lock-in amplifiers
    • 2 high-frequency, high-performance signal generators
    • 50 kHz PLL bandwidth with full parameter control
    • 4 fully configurable PID controllers
    • PLL harmonic mode
    • Frequency deviation and dissipation output (jitter-free)
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