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GE_OEC_9600_C-Arms

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20 C-Arm Control<br />

ANALOG INTERFACE PCB<br />

ANALOG MUX & A:D<br />

MOTHERBOARD PCB<br />

BACKPLANE<br />

TECHNIQUE<br />

PROCESSOR PCB<br />

DUAL PORT RAM<br />

A/D INTERFACE<br />

U3<br />

16 CHANNEL<br />

1 KVPMEAS ANALOG MUX<br />

2 MASENS<br />

3 FILSNS<br />

4 VLI<br />

5 TEMP<br />

6 DOSIMTR<br />

7 UNUSED<br />

8 UNUSED<br />

9 SECTAP<br />

10 UNUSED<br />

11 BAT I<br />

12 BAT V<br />

13 UNUSED<br />

14 UNUSED<br />

15 UNUSED<br />

16 UNUSED<br />

A0<br />

A3<br />

U8<br />

S&H<br />

U9<br />

U7<br />

A:D<br />

DIGITIZED ANALOG<br />

DATA FOR<br />

TECHNIQUE<br />

PROCESSOR<br />

8<br />

SAMPLE<br />

AMUXSEL0-AMUXSEL3<br />

ADDRESS LINES TO SELECT<br />

DESIRED ANALOG INPUT<br />

4<br />

U31<br />

DUAL<br />

PORT<br />

RAM<br />

U11,U40, U41<br />

ANALOG<br />

MUX<br />

ADDRESS<br />

INTERFACE<br />

8<br />

10<br />

MEMORY<br />

DATA<br />

MUX<br />

SELECT<br />

ADDRESS<br />

CONTROL<br />

<strong>GE</strong>NERATED<br />

BY TP<br />

Figure 11 - A/D Interface Block Diagram

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