Tektronix 371B, Service Manual

Page: 31 / 292

Specifications
371B Service Manual
1-9
Table 1-6: CRT andĂ Readout
Characteristic Performance Requirement Supplemental Information
CRT
Type Electrostatic deflection
Phosphor P31
Accelerating Potential Typical 12 kV
Screen Size 178 mm (7 in) diagonal, internal graticule and
scale factor.
Total addressable Pixels 1000 X 1000 for Curve Display
Geometry 1/2 minor division or less of tilt or bowing
3/4 minor division or less of keystone.
Resolution At least 10 line/div
Spot Size Less than 0.95 mm (center)
Orthogonality 90 _ , Within 0.6 _
Trace Rotation
At least 3 _
Readout OnĆscreen display
VERT/div Collector Supply Current deflection factor
(Ic/div)
Peak Power Watts
3 kW
1 A/div to 50 A/div
300 W 500 mA/div to 5 A/div
30 W 100 m A/div to 5 mA/div
3 W 10 m A/div to 500 m A/div
0.3 W 10 m A/div to 500 m A/div
0.03 W 1 m A/div to 50 m A/div
HORIZ/div Collector Supply Voltage (Vce) or Step
Generator Voltage (Vbe) deflection factor.
Peak Power Watts Vce
3 kW, 300 W 100 mV/div to 5 V/div
30 W , 3 W 50 V/div to 500 V/div
0.3 W, 0.03 W 5 V/div to 50 V/div
Vbe 100 mV/div to 5 V/div
Per Step Step Generator Current / Voltage Output At Step .1X Multi,readout is 1/10 times Per
Step.
200 mV to 5 V Voltage source
1 mA to 2 A Pulsed Current