Mindray DPM 4 Service Manual

2-9
The main amplifying/filtering circuit conducts the secondary amplification of the RESP signal,
filters the signal, and then sends it to the A/D conversion part.
A/D
The A/D conversion part converts the analog signal to the digital signal, and sends the signal to
CPU for further processing.
CPU System
 Implementing the logical control of all parameter parts and A/D conversion parts;
 Implementing the data processing for all parameters;
 Implementing the communication with the main board.
Power & Signal isolate Circuit
 Isolating the external circuits to ensure the safety of human body;
 Supplying power for all circuits;
 Implementing the isolation communication between the CPU System and the main board.
2.2.3 IBP Module
2.2.3.1 General
This module provides the function of measuring Invasive Blood Pressure (IBP).
2.2.3.2 Principle diagram
Figure 2-6 Working principle of the IBP module

Mindray DPM 4 Specifications

General

Brand	Mindray
Model	DPM 4
Category	Medical Equipment
Language	English