鎖相放大器LIA-MV-150的原理和用途
FEMTO鎖相放大器的具體型號: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鎖相放大器的主要參數:
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應用領域:光譜學;激光穩(wěn)定;發(fā)光、熒光、磷光測量;光散射測量;光電質量控制;集成工業(yè)和科學測量系統(tǒng);OEM系統(tǒng)主要用途:主要用于強噪聲中小信號的檢測原理:利用頻譜搬移把與參考信號同頻同相的分量轉化為直流,通過低通濾波器取出,由此就能得出這個信號大小.