SPDK 480

Monochromator

UV Source

VIS-NIR Source

Chopper Controller

ChopperSi

InGaAs

Custom 1

Custom 2

Stepper Motor

Controller

Shutter

RS232

PCI8255

Shutter Controller

Motor Power Supply

HeNe

Lase

r

Filter Wheel

AUX 1

Bias Box

SR570 Current Pre-Amp

SR560 Pre-Amp

GPIBStepper Motor

Controller

Port 1 Port 2 Port 3

A0 – A7 B0 – B7 C0 – C7

Stepper Motor Driving Zero detection

Mirror controller A0 – A5 C5

Detector Stage B0 – B5 C4

Shutter On/Off : A6

Motor power supply : A7