8.3
IUP Module
Power Supply
, provides an isolated supply to the ampifier and electronics in the patient
connected part of the IUP system for patient safety.
2.5V Reference
, is used to power the opto isolator.
Amplifier
, provides amplification of the siganl recieved from the IUP pressure
transducer and is fed to the driver for transfer over the opto isolated barrier via the opto
coupler.
The second amplifier provides an amplified signal with differential outputs for the fetal
monitor to interprete and display.
Issue: 2 DRAFT
35
Rev: a
614365
Amplifier
2.5v
Reference
Opto-
Coupler
Power
Supply
Tracking
Regulator
Driver
Amplifier
Pres
su
re
Sen
so
r
C
onne
ct
or
+5v
Differential
Outputs
Isolation