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.
