Digital Lock-in Amplifier
LIA001M
CIQTEK LIA001M is a high-performance lock-in amplifier that combines various functions such as lock-in amplification, virtual oscilloscope analysis, parameter scanning, demodulation plotting, and data analysis.
Based on advanced digital signal processing technology and hardware design, it can accurately and quickly detect weak signals drowned in strong noise.
It is one of the important tools for modern weak signal detection and analysis and can be used in various scientific research and industrial applications.
DC ~ 1 MHz demodulation frequency
Current and differential voltage input
100 MSa/s, 16 bit ADC sampling
Full-scale sensitivity from 1 nV to 3 V
Better than 3.1 nV/√Hz noise density
More than 120 dB dynamic reserve
Support Sine and TTL reference signal input and output
3 types of phase-locked demodulation modes: internal reference, external reference, and dual reference
Support 1/1023~1023th harmonic detection function
Applications
Optical measurements, spectroscopy
Impedance measurement
Magnetic measurement
Biomedical
Semiconductor materials and devicesParameters
Signal Inputs (Voltage and Current)
| Voltage Channel | 1 (single-ended and differential) |
| Current Channel | 1 |
| Frequency Range | 200 uHz ~ 1 MHz |
| Voltage Input Range | ±1 mV,±3 mV,±10 mV,±30 mV, |
| ±100 mV,±300 mV,±1 V,±3 V | |
| Voltage Input Noise | 3.1 nV/√Hz@1 kHz |
| Full-scale Input Sensitivity (Voltage Input) | 1 nV-3 V |
| Current Input Range | ±1 nA，±10 nA，±100 nA，±1 µA， |
| ±10 µA，±100 µA，±1 mA，±10 mA | |
| Current Input Noise | 20 fA/√Hz@100 Hz |
| Full-scale Input Sensitivity (Current Input) | 10 fA ~ 10 mA |
| Dynamic Reserve | ≥120 dB |
Demodulator Reference
| Number of Demodulators | 1 dual-phase demodulators |
| Reference Mode Selection | Internal reference, external reference, dual reference |
| Harmonic detection | Support (n/m)* F Harmonic measurement, (n/m)* F≤1 MHz； |
| Range of n (harmonics): 1 ~ 1023 | |
| Range of m (harmonics): 1 ~ 1023 | |
| Time Constant | 126 ns ~ 250 s |
| Filter Slope (dB/oct) | 6, 12, 18, 24, 30, 36, 42, 48 |
| Other Filter Functions | Sinc filter |
| Phase Resolution | 10 udeg |
| Frequency Resolution | 1 μHz |
Auxiliary Output
| Channels | 4 |
| Output Voltage Range | ±10 V |
| Maximum Output Current | 10 mA |
Reference Output
| Channel | 1 |
| Frequency Range | 200 uHz ~ 1 MHz |
| Output Voltage Range | ±10 mV,±100 mV,±1 V,±10 V |
| Signal Type | Sine/TTL |
| Output Phase Range | ±180° |
| Maximum Output Current | 100 mA |
Reference Input (Can be set to 2 auxiliary inputs)
| Channels | 2 |
| Frequency Range | DC ~ 1 MHz |
| Signal Type | Sine/TTL |
| Input Voltage Range | ±10 V |
Auxiliary Input
| Channels | 2 |
| Input Voltage Range | ±10 V |
Communication
| Communication Interface | LAN/1 Gbps |
