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Block Diagram Descriptions
Theory of Operation
3Ć30
Microprocessor
A microprocessor controls the Acquisition system, which has 64 Kbytes of
EPROM for code storage, 16 Kbytes of shared RAM, and 8 Kbytes of unĆ
shared RAM. The microprocessor calibrates and manages the programĆ
mable gain amplifiers and measurement hardware. The microprocessor also
accepts and executes commands from the Time Base/Controller processor
and manages the sampling head digital and analog controls, including
scanning the front panel SELECT buttons on the sampling head and driving
the front panel LEDs.