Fluke 9000A-Z80QT, Instruction Manual

Page: 45 / 108

ZSOQT
A
J
CLOCK
POWER +4.3v
SOURCE/
—>
T0
PROTECTION
SINK
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CIRCUITS A1,A4,
A5
u10 +0.7v
+4.3v—b
DATA
4
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BUFFER
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U4, U6 2
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U7
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A4
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TO U8
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CONTROL SIGNALS
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A5
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A
Flgure 4-2.
Detailed Block Diagram