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CIQTEK is the manufacturer and global supplier of high-performance scientific instruments, such as Electron Microscopes, Electron Paramagnetic Resonance (Electron Spin Resonance), Gas Adsorption Analyzers, quantum sensors, quantum computers, etc.
Digital Lock-in Amplifier for sale
Digital Lock-in Amplifier for sale
Digital Lock-in Amplifier for sale

Digital Lock-in Amplifier | Melab

Melab is a high-performance and multi-functional digital lock-in amplifier. With rich analog I/O interfaces and multiple functions such as visual lock-in amplifier, virtual oscilloscope, parameter scanner, signal generator, data acquisition, AM/FM modulation, PID controller, etc.

 

Meanwhile, Melab supports an easy mode for a quick start, which simplifies the workflow of scientific research, reduces the need for researchers to combine multiple devices, and improves the efficiency and quality of scientific research.

DC to 1 MHz/5 MHz (optional)

One current input and one differential voltage input

4+4+4 application mode (4 demodulators + 4 external references + 4 PIDs) (optional)

Sampling rate: 100 MSa/s, 16 bit ADC

Full-scale sensitivity: 1n V~3 V

Noise density: < 2.5 nV/ Hz

Dynamic reserve: > 120 dB

Supports Sine and TTL reference signal input and output 

Support 1/1023~1023 harmonics detection

 

 

> Functional Options

 

♦  5M demodulation frequency

♦  4 demodulators

♦  4 PID controllers

♦  External wireless operating panel

♦  AM/FM modulation

♦  Stage Ctrl (platform control)

 

 

 

Optical measurements, spectroscopy

 

 

Impedance measurement

 

 

Magnetic measurement

 

 

Biomedical

 

 

Semiconductor materials and devices

 


Signal Input (Voltage and Current)

Voltage Channel 1 (single-ended and differential)
Current Channel 1
Frequency Range DC ~ 1 MHz/5 MHz (optional)
Voltage Input Range ±1 mV, ±3 mV, ±10 mV, ±30 mV, ±100 mV, ±300 mV, ±1 V, ±3 V
Voltage Input Noise 2.5 nV/√HZ@1 kHz
Full-scale Input Sensitivity (Voltage Input) 1nV - 3V
Current Input Range ±1 nA, ±10 nA, ±100 nA, ±1 µA, ±10 µA, ±100 µA, ±1 mA, ±10 mA
Current Input Noise 14 fA /√HZ@100 Hz
Full-scale Input Sensitivity (Current Input) 10 fA ~ 10 mA
Dynamic Reserve ≥120 dB

 

Reference Output

Number of Channels 1
Frequency Range DC ~ 1 MHz/5 MHz (optional)
Output Voltage Range ±10 mV, ±100 mV, ±1 V, ±10 V
Signal Type Sine/TTL
Output Phase Range ±180°
Maximum Output Current 100 mA

 

Demodulator and Reference

Number of Demodulators 1 dual-phase/4 dual-phase (optional)
Reference Mode Internal reference; External reference
Harmonic Detection

Supports (n/m)* Fth harmonic measurement, (n/m)* F<1 MHz/5 MHz (optional);

n range (harmonics): 1~1023; m range (harmonics): 1~1023

Time Constant 126 ns~30 ks
Filter Slope (dB/oct) 6, 12, 18, 24, 30, 36, 42, 48
Other Filter Functions Sinc filter
Phase Resolution 10 udeg
Frequency Resolution 355 nHz

 

Reference Input (can be set to 2 auxiliary inputs)

Number of Channels 2
Frequency Range DC ~ 1 MHz/5 MHz (optional)
Signal Type Sine/TTL
Voltage Input Range ±10 V

 

Auxiliary Input

Number of Channels 2
Voltage Input Range ±10 V

 

Auxiliary Output

Number of Channels 4
Output Voltage Range ±10 V
Maximum Output Current 20mA

 

Communications

Communications Interface

USB2.0 (device) + USB3.0 (host)

LAN/1 Gbps

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