2212
Block
Diagram
FrontPanel
Circuits
System
Control
EXT Store Storage
Clock
~
Acquisition
Circuit
CH
1
CH2
EXT Trig
Vertlcal
Pre-Ampllflers
CH 1
CH2
I
Trigger
Circuit
Digital Storage
3-4
Communication
___
_
Options
Storage/RO
Dlsplay
System
Control Chain
and Daculator
Vert. Store/Readout
Hor. Store/Readout
---~'
J
Vertical
Switch Logic
Sweep Logic
Sweep
Generator1--_.i
Z-Axls Circuit
Vertical Position
Control Circuit
Horizontal
Magnifier
Circuits
Low-
and
High
Voltage
Power Supply
Figure 3-1: Simplified 2212 Block Diagram
Delay Line Driver
and Vertical
Output Ampl.
Horizontal
Output Ampl.
The digital storage circuit consists of an acquisition circuit
and
display
circuit. The acquisition circuit digitizes the vertical signals received from
the storage pick off amplifiers
and
stores them
in
memory.
The
display
circuit converts the stored data along with readout information
to
vertical
and horizontal deflection signals.
Theory
of
Operation
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