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High-performance digital lock-in amplifiers (DLIA) like the Zurich Instruments VHFLI (200 MHz) and MFLI (500 kHz/5 MHz), and Saluki SE2041 (60 MHz), offer superior SNR and multi-harmonic detection, combining essential tools like oscilloscopes and PID controllers. They feature high-speed FPGA processing for fast demodulation and are designed for sensitive, low-noise measurements in photonics, sensor research, and nanotechnology.
This video demonstrates how you can expand your lock-in amplifier with multi-instrument mode:
Top High-Performance Digital Lock-in Amplifiers
- Zurich Instruments VHFLI (Very High Frequency): Ideal for 200 MHz applications in physics and photonics, featuring low noise and high data speed.
- Zurich Instruments MFLI (Medium Frequency): Operates up to 5 MHz, noted for exceptional LabOne user interface, high-speed DAQ, and FPGA-based processing.
- Saluki Technology SE2041/SE1300 Series: Offers bandwidths up to 60 MHz, using 250 MSPS 14-bit ADCs for high-precision, high-dynamic-reserve measurements.
- Lake Shore Cryotronics M81: A modular system that combines lock-in functionality with precise AC/DC source-measure capabilities, ideal for complex, low-noise environments.
- CIQTEK LIA001M/Melab: A multi-functional, high-performance unit that integrates a virtual oscilloscope, PID controller, and data acquisition, providing an "easy mode" for research efficiency.
Key Features of Modern DLIAs
- High Frequency & Low Noise: Covering ranges from DC to hundreds of MHz.
- Multifunctionality: Often include spectrum analyzers, signal generators, and PID controllers for closed-loop control.
- User-Friendly Interfaces: Web-based tools like LabOne enable remote control and data visualization, minimizing the need for multiple instruments.
- High Dynamic Reserve: Enables detection of signals buried in large amounts of noise, with some systems operating with 100 dB reserve.
- Simultaneous Measurement: Capable of measuring multiple harmonics simultaneously.
Typical Applications
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Web results
Digital Lock-in Amplifier - LIA001M provider
CIQTEK
https://www.ciqtekglobal.com › Unavailable
CIQTEK
https://www.ciqtekglobal.com › Unavailable
CIQTEK LIA001M is a high-performance lock-in amplifier that combines various functions such as lock-in amplification, virtual oscilloscope analysis, parameter ...Read more
Digital lock-in amplifier - Lake Shore Cryotronics
lakeshore.com
https://www.lakeshore.com › products › product-detail
lakeshore.com
https://www.lakeshore.com › products › product-detail
High sensitivity and selectivity: Lock-in amplifiers can detect signals even if they are buried in noise, with sensitivities down to nanovolts or even picovolts ...Read more
Zurich Instruments Gives Researchers the Freedom to ...
Zurich Instruments
https://www.zhinst.com › news › zurich-instruments-giv...
Zurich Instruments
https://www.zhinst.com › news › zurich-instruments-giv...
Jan 12, 2026 — ... Lock-in Amplifier delivers high-performance signal analysis and control from DC up to 200 MHz. The VHFLI is multipurpose and versatile ...Read more
High-performance modular digital lock-in amplifier
AIP Publishing
https://pubs.aip.org › rsi › article-pdf › 3697_1_online
AIP Publishing
https://pubs.aip.org › rsi › article-pdf › 3697_1_online
by F Barone1995Cited by 64 — Different types of digital filters can be chosen (IIR, FIR) and using different standard packages: the function lock-in needs only to read the coefficients of ...Read more
Lock-in Amplifier
Red Pitaya
https://redpitaya.com › lock-in-amplifier
Red Pitaya
https://redpitaya.com › lock-in-amplifier
Red Pitaya is a very powerful and precise multifunction measurement tool that can replace a stack of lab instruments and save your lab space.Read more
The Digital Lock-in Amplifier
AMETEK SI
https://www.ameteksi.com › documentations › tn1...
AMETEK SI
https://www.ameteksi.com › documentations › tn1...
PDF
Figure 1 shows the functional block diagram of a typical high- performance digital lock-in amplifier, such as those in the. SIGNAL RECOVERY 72XX series ...Read more
SR850 - Lock In Amplifier
thinkSRS.com
https://www.thinksrs.com › products
thinkSRS.com
https://www.thinksrs.com › products
The SR850 boasts a number of significant performance advantages over traditional lock-in amplifiers—higher dynamic reserve, lower drift, lower distortion, and ...Read more
$10,500.00
SE1022 DSP Lock-In Amplifier
Saluki Technology
https://www.salukitec.com › se1022-dsp-lock-in-amplifier
Saluki Technology
https://www.salukitec.com › se1022-dsp-lock-in-amplifier
SE1022 Digital Lock-in Amplifier provides an excellent performance within its bandwidth from 1 mHz to 102 kHz. With the advantage of the latest digital ...Read more
$6,050.00
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Web results
Homebrew Lock-In Amplifier
EEVblog
https://www.eevblog.com › forum › projects › homebre...
EEVblog
https://www.eevblog.com › forum › projects › homebre...
May 13, 2024 — In principle I am going to use a simple infrared led as detector and another infrared led (the same type of led) with output through a couple of ...Read more
Discussions and forums
Implementing Digital Lock-In Amplifiers Using the Arduino
Arduino Forum ·
12 years ago
Implementing Digital Lock-In Amplifiers Using the Arduino
Arduino Forum ·
12 years ago
Digital lock in amplifier on FPGA
DSPRelated.com ·
8 years ago
Digital lock in amplifier on FPGA
DSPRelated.com ·
8 years ago
What is a lock in amplifier? How does it work from a conceptual viewpoint?
Quora ·
1 answer
· 13 years ago
What is a lock in amplifier? How does it work from a conceptual viewpoint?
Quora ·
1 answer
· 13 years ago
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