Appendix A: Specifications
370B User Manual
A-13
Table A-8: CRT and Readout
Characteristic Performance Requirement Operating Information
CRT
Type Electrostatic deflection
Phosphor P31
Acceleration potential 12 kV typical
Screen size 178mm(7 inch) diagonal internal graticule
and onĆscreen scale factor readout.
Total addressable points
(graticule area)
1000 x 1000
Geometry 0.5 minor division or less of tilt or bowing;
0.75 minor division or less of keystone.
Resolution At least 10 lines/div
Spot size Within 0.95 mm at screen center; elsewhere
on screen: within twice center value.
Orthogonality 90_, within 0.3_
Trace rotation range (typical)
At least "30_
READOUT Automatic onĆscreen display. Over range
shown by a flashing display.
VERT/DIV 100 pA to 2 A
HORIZ/DIV 5mVto500V.
PER STEP 5nAto200mA,and5mVto2V.
OFFSET 4Ćdigit value.
b or gm/DIV 500x10
-9
to 400 x 10
6
for b and
50x10
-9
S to 400 Simence for gm
CURSOR 4Ćdigit Horizontal and Vertical values without
x 10 MAG, 5Ćdigit with x 10 MAG.
% of COLLECTOR PEAK VOLTS 0.0 % to 100.0 % in 0.1 % step.
Aux Supply - 40.00 V to + 40.00 V
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