GE Vivid 4 BT03 RFI - MUX Board; General Description

GE MEDICAL SYSTEMS
D
IRECTION 2392751-100, REVISION 3VIVID™ 4 SERVICE MANUAL
5-18 Section 5-1 - Overview
5-4-3 MUX Board
5-4-3-1 General Description
The MUX Board has 64 identical receive channels, and performs the following functions:
• Receiving the channels and connecting them to the BF Boards.
• Expanding the low/high channels in CW mode.
• TEE motion control.
• Monitoring temperature and voltage measurements via the I²C.
• FE Bus switch. To reduce the noise in the FE cards, the MUX switches OFF the FE Bus to the FB
during the data acquisition in CW mode.
• Min/max AC input monitoring, every ten seconds.
Figure 5-12 MUX Board Diagram
Input Channels
Multiplex
TEE
Control
Monitor
Temp. Voltages
Fan Operation
FE Bus Switch
FE
Bus
FB
IC
Interface
2
FB
FB
BF