锁相放大器LIA-MV-150的原理和用途

日期：2024-10-05 19:12

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摘要：FEMTO系列锁定放大器型号：LIA-MV-150-S、LIA-MV-150-D、LIA-MV-200-L、LIA-MV-200-H、LIA-MVD-200-L、LIA-MVD-200-H、LIA-BV-150-L、LIA-BV-150-H、LIA-BVD-150-L、LIA-BVD-150-H

锁相放大器LIA-MV-150的原理和用途

FEMTO锁相放大器的具体型号：LIA-MV-150-S、LIA-MV-150-D、LIA-MV-200-L、LIA-MV-200-H、LIA-MVD-200-L、LIA-MVD-200-H、LIA-BV-150-L、LIA-BV-150-H、LIA-BVD-150-L、LIA-BVD-150-H

FEMTO锁相放大器的主要参数：

Model LIA-MV-150-S /Standard LIA-MV-150-D/True-Differential Input

Voltage Input BNC connector Lemo® connector

Single-ended True-differential

Instrumentation amplifier Instrumentation amplifier

Noise 12 nV/√Hz Noise 12 nV/√Hz

Current Input BNC connector Lemo® connector

Transimpedance amplifier, gain 1 kV/A Transimpedance amplifier, gain 1 kV/A

Noise 13 pA/√Hz Noise 13 pA/√Hz

Sensitivity Voltage: 3 µV to 100 mV, switchable in 1-3-10 steps

(Full Scale) Current: 3 nA to 100 µA, switchable in 1-3-10 steps

Working Frequency 10 Hz - 45 kHz

Reference Input ±100 mV to ±5 V, switchable to TTL

Phase Adjustable 0° - 360° (8-bit resolution),

Temperature drift <0,01°/K

Demodulator Dynamic Reserve 35 dB @ low drift setting, 55 dB @ high dynamic setting

Time Constants 3 ms to 10 s, switchable in 1-3-10 steps, slope switchable 6 dB or 12 dB/octave

Output X = in phase, ±10 V full scale, short-circuit protected

Digital Control 16 TTL, CMOS, opto-isolated

8-bit phase, 4-bit time constant, 4-bit sensitivity

Power Supply ±15 V, 100 mA typ.Case170 x 60 x 30 mm (L x W x H), weight 370 g应用领域：光谱学；激光稳定；发光、荧光、磷光测量；光散射测量；光电质量控制；集成工业和科学测量系统；OEM系统主要用途：主要用于强噪声中小信号的检测原理：利用频谱搬移把与参考信号同频同相的分量转化为直流，通过低通滤波器取出，由此就能得出这个信号大小.

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