Lock-in Amplifier

Bandwidth
200 MHZ

Dual-phase
XY / Rθ

Input voltage noise
30 nV/√Hz

Dynamic reserve
120 dB

Moku:Lab’s digital Lock-in Amplifier supports dual-phase demodulation (XY/Rθ) from DC to 200 MHz, with more than 120 dB of dynamic reserve. It also features an integrated 2‑channel oscilloscope and data logger, enabling you to observe signals at up to 500 MSa/s and log data at up to 1 MSa/s.

Features

Extract Signals with High Precision
Measure signals obscured by noise with more than 120 dB dynamic reserve

Custom Configuration and Data Acquisition
Built-in probe points for signal monitoring and data logging

Demodulation
Dual-phase demodulation

Extended Functionality
Built-in PID Controller

Select from Advanced Demodulation Modes
Internal or external demodulation modes including a PLL (phase-locked loop)

Choose Your Coordinate Mode
Toggle between rectangular (X/Y mode) or polar coordinates (R/θ mode)

App Notes
Stimulated Raman Scattering Microscopy

Lock-in Configuration Guide
1.9.1 Update Setup Guide

Lock-in Frequency Sweep with LabVIEW

Specifications

Input voltage noise
30 nV/√Hz

Dynamic reserve
120 dB

Demodulation
With frequencies ranging from 1 mHz to 200 MHz with 3.55 μHz resolution

Adjustable time constant
From 32 ns to 0.537 s

LO output
Up to 200 MHz with variable amplitude

Output gain range
-80 to +160 dB

Preset waveforms
Phase shift precision of 0.001°

Intuitive User Interface
Block diagram view of the digital signal processing chain

Input impedance
50 Ω / 1 MΩ

Filter roll-off
6, 12, 18, or 32 dB/octave

Ultra-fast data acquisition
Snapshot mode up to 500 MS/s, continuous mode up to 1 MS/s

Specs

Datasheet

Manual

Software & APIs

Wirelessly configure and monitor your Lock-in's performance, all
from an intuitive iPad interface, the Windows App (beta), or with
integrations for Python, MATLAB, and LabVIEW.

Flexible inputs

The Lock-in Amplifier’s signal and reference inputs can be configured for AC or DC coupling and 50 Ω or 1 MΩ input impedance.

Dual-phase demodulation

Moku:Lab’s Lock-In Amplifier features a dual-phase demodulator with cascaded single pole low-pass filters to attenuate the second harmonic and suppress noise in each quadrature.

Select between 6, 12, 18, and 24 dB / octave lowpass filter slopes
Select between rectangular (X/Y) and polar (R/θ) coordinate modes
View the demodulated in-phase and quadrature signals prior to the low-pass filters using the integrated Oscilloscope

Internal and External
References

Demodulate your input signal with an internal or external reference. In internal mode, the orthogonal reference signals are generated internally using a direct digital synthesizer (DDS). In external mode, you can select between either direct or phase-locked options. In direct external mode, the input signal is demodulated using the reference input signal for single-phase demodulation (X). The phase-locked loop option reconstructs two orthogonal references that are phase-locked to the reference input signal to support external dual-phase demodulation (XY/Rθ).

Integrated Oscilloscope

Monitor up to two signals at a time using the Lock-In Amplifier’s integrated 2 channel, 500 MSa/s oscilloscope, and continuously log data at up to 1 MSa/s using its built-in data logger.

PID Controller

Moku:Lab’s Lock-In Amplifier can serve as both a sensor and feedback controller with its built-in PID Controller. The PID controller provides real-time control over proportional, integral and derivative gain profiles with configurable saturation.

mokulab_lockinamplifier_take-the-guesswork-out

Take the guess-work out
of configuring

Stay on top of how your instrument is configured with a high-level view of the lock-in amplifier’s signal processing chain and intuitive block-diagram interface.