YOKOGAWA AQ4305, Instruction Manual, Page: 17 / 50

Chapter 1 Introduction 1.2 Block Diagram
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1.2 Block Diagram
The block diagram of the optical system is shown below. The optical system employs a ball lens.
Optical axes adjustment is necessary in order to output light to fiber. In the unit, you can adjust the lamp
socket.
Fig.1-3 The Block Diagram of The Optical System
The block diagram of the AQ4305 is shown below. The switches on P1 control shutter and lamp switch. The
AQ4305 enable remote control these.
Fig.1-4 The Block Diagram of The AQ4305
Light source
section
H
alogen lamp
Lens
Shutter
Motor
Optical
output
motor driving and
controlling circuit
Switches
P2
P1
GP-IB
circuit
GP-IB
interface
Lamp
switch
Connector
Ball lens
Halogen lamp
Shutter
Optical connector
Optical fiber
Motor
Panel