Tektronix 7B15 Instruction Manual page 11

General Information-_-71315
This instrument will meet the electrical characteristics listed in Table 1-1, following complete adjustment . The following
electrical characteristics are valid over the stated environmental range for instruments calibrated at an ambient
temperature of +20° to +30° C, and after a twenty-minute warmup unless otherwise noted.
Sweep Rates
Calibrated Range
Variable Range
Sweep Accuracy' with 7104, 7900 and 7800
Series Mainframes
+15 to +35° C
0.2 s/div to 10 ns/div
5 ns/div and 2 ns/div
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0 to +50° C
Excluded Portions of Sweep
7104
Position Range
Characteristics
7800, 7900 Series
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Sweep Length
MAG Registration
POSITION Controls fully CW
POSITION Controls fully CCW
'Some mainframes limit fastest calibrated sweep rate .
TABLE 1-1
Electrical Characteristics
Performance Requirement
===---4- = - .-- .-_.~--T_ --_ .
SWEEP GENERATOR
2
200 ps/div is measured over any 5 divisions within the center 8 divisions .
0.2 s/div to 2 ns/div in 25 steps. X10 Magnifier extends
fastest calibrated sweep rate to 0.2 ns /div .
Continuously variable uncalibrated sweep rate to at least
2.5 times the calibrated sweep rate setting.
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Measured over center 8 displayed divisions . SWP CAL is
adjusted at 1 ms/div within the +20 to +300 C range .
(71315 Delay Mode Switch set to Independent.)
UNMAG - MAG X10
None .
Derate +15 to +35° C accuracy by additional 1 %.
First 5 ns .
At least 10 .2 div.
0.5 div or less from graticule center when changing from
MAG X10 to MAG X1 .
Start of sweep must be to right of graticule center at
1 ms/div .
End of sweep must be left of graticule center at 1 ms/div .
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