Tektronix 3B5, Instruction Manual

Page: 100 / 187

Performance Check —Type 3B5
f. Move the nearest marker to the vertical graticule
line.
g. CHECK — Normal and magnified timing accuracy and
correct readour-panel indications in all positions of the
MANUAL TIME/DIV switch. Switch settings, time-mark gen­
erator output, readout-panel indications and tolerances are
given in Table 5-1. First, check timing and readout with the
DLY'D SWP MAG switch at OFF, then at X10 and XI 00
(readjust LEVEL control as necessary to maintain a stable
TAELE 5-1
TIMING CHECK (Normal and Magnified)
MANUAL
TIME/DIV
Switch
Setting
Time-Mark Generator
Output
Readout-Panel Indication
With DLY ’ D SWP MAG Switch
Set At
CRT Display
(Markers/
Division)
Accuracy
(measured be­
tween first and
ninth graticule
lines; see Fig.
5-8)
Markers Trigger
OFF X10
XI 00
10 ns 20 ns
1 /ZS 10 m/zs/DIV
10 m μ s/DIV 10 m/zs/DIV
1 marker/
2 divisions
± 3%
(±0.24 div)1
20 ns
20 ns 1 /ZS 20 m/zs/DIV
20 m μ s/DIV
20 m μ s/DIV 1 ±3%’
50 ns 50 ns
1 (IS 50 m/zs/DIV
50 m μ s/DIV 50 m μ s/DIV
1
±3% ’
.1 μs 0.1 μs
1 (IS
.1 μ s/DIV .1 μ s/DIV .1 μ s/DIV
1 ±3%
.2 μs S 0.1 μs
1 (IS
.2 μ s/DIV .2 μ s/DIV
.2 μ s/DIV 2
±3%
.5 μ s
0.5 μs
1 (IS .5 μ s/DIV .5 μ s/DIV
.5 μ s/DIV 1
±3%
1 μs
1 μ s, 0.1 μs
1 (IS
1 μ s/DIV .1 μ s/DIV .1 μ s/DIV 1
±3%
2 μs 1 μs , 0.1 μs
1 (IS 2 μ s/DIV .2 μ s/DIV .2 μ s/DIV
2 +3%
5 μs
5 (i.s, 0.5 μs
1 /ZS 5 μ s/DIV .5 μ s/DIV .5 μ s/DIV
1 ±3%
10 μs
10 μ s, 1 μ s, 0.1 μs
10/is
10 μ s/DIV
1 μ s/DIV .1 μ s/DIV 1
±3%
20 μ s
10 μ s, 1 μ s, 0.1 μ s
10/i.s 20 μ s/DIV 2 μ s/DIV .2 μ s/DIV 2
±3%
50 μ s 50 μ s, 5 μ s, 0.5 μ s
10 /is 50 μ s/DIV 5 /zs/DIV .5 μs /DIV 1
±3%
.1 ms 0.1 ms, 10 μ s, 1 μ s
0.1 ms .1 ms/DIV
10 /xs/DIV 1 μ s/DIV 1 ±3%
.2 ms
0.1 ms, 10 μ s, 1 μ s 0.1 ms .2 ms/DIV
20 /xs/DIV 2 μ s/DIV 2 ±3%
.5 ms
0.5 ms, 50 μ s, 5 μ s 0.1 ms .5 ms/DIV 50 /is/DIV
5 μ s/DIV 1 +3%
1 ms
1 ms, 0.1 ms, 10 μ s 1 ms 1 ms/DIV 0.1 ms/DIV
10 μ s/DIV 1 ±3%
2 ms
1 ms, 0.1 ms, 10 μ s 1 ms 2 ms/DIV 0.2 ms/DIV
20 μ s/DIV 2 ±3%
5 ms
5 ms, 0.5 ms, 50 μ s 1 ms 5 ms/DIV
0.5 ms/DIV 50 μ s/DIV 1
±3%
10 ms
10 ms, 1 ms, 0.1 ms
10 ms 10 ms/DIV 1 ms/DIV .1 ms/DIV 1 ±3%
20 ms
10 ms, 1 ms, 0.1 ms
10 ms
20 ms/DIV
2 ms/DIV .2 ms/DIV 2 ±3%
50 ms 50 ms, 5 ms, 0.5 ms
10 ms 50 ms/DIV 5 ms/DIV .5 ms/DIV 1
±3%
.1 s (OFF)
0.1 s .1 s .1 s/DIV
1 ±3%
.1 s (X10) 10 ms
10 ms 10 ms/DIV 1
±3%
.1 s (X100) 1 ms
10 ms
1 ms/DIV 1 ±3%
.2 s (OFF)
0.1 s 0.1 s .2 s/DIV
2 ±3%
. 2s (X10)
10 ms 10 ms
20 ms/DIV 2
±3%
. 2s (X100) 1 ms 10 ms
2 ms/DIV 2 ±3%
.5 s (OFF) 0.5 s
1
s
.5 s/DIV 1 ±3%
. 5s (X10) 50 ms
0.1 s 50 ms/DIV 1 ±3%
.5s (X100)
5 ms 0.1 s 5 ms/DIV 1
±3%
1 s (OFF) 1 s 1 s 1 s/DIV 1 ±3%
1 s (X10) 0.1 s 0.1 s
0.1 s/DIV 1 +3%
1 s (X100)
10 ms
0.1 s 10 ms/DIV 1 ±3%
2 s (OFF) 1 s 1 s 2 s/DIV 2
±5%
(±0.4 div)
2s (X10) 0.1 s
0.1 s 0.2 s/DIV 2
±5%
2s (X 100) 10 ms 0.1 s
20 ms/DIV
2
±5%
5 s (OFF) 5 s 1 S
5 s/DIV
1
±5%
5s (X10) 0.5 s 0.1 s
0.5 s/DIV 1 ±5%
5s (X100) 50 ms 0.1 s
50 ms/DIV
1
±5%
’10, 20 and 50 ns accuracy applies only when checked according to procedure.
5-8