TB 11-6625-2734-50
SECTION I
IDENTIFICATION AND DESCRIPTION
2. Calibration Data Card, (DA Form 2416). a. Forms,
1. Test Instrument Identification.
This bulletin
records, and reports required for calibration personnel at
provides instructions for the calibration of TDR/Sampler
all levels are prescribed by TM 38-750. DA Form 2416
Plug-In, TD-1160(P)/U (Tektronix Type 7S12). The
must be annotated in accordance with TM 38-750 for
manufacturer's instruction manual was used as the
each calibration performed.
prime data source in compiling the instructions. The
b. Adjustments to be reported on DA Form 2416
equipment being calibrated will be referred to as the TI
are designated (R) at the end of the sentence in which
(test instrument) throughout this bulletin.
a. Model Variations. None.
the appear. Report only those adjustments made and
b. Time and Technique. The time required for this
designated with (R).
3. Calibration Description.
TI parameters and
calibration is approximately 4 hours, using the d.c. and
performance specifications which pertain to this
low frequency technique.
calibration are listed in table 1.
Table 1. Calibration Description
TI
identification
Performance specifications
Deflection factor
Range
2 to 500 unit/div in 1, 2, 5 sequence. Variable provides 1 to 700 unit/div (mv or mp).
3%
Accuracy
ρ CAL range
Allows calibrated reflection coefficient (ρ) with pulse generators supplying from 200 mv to 1 v pulse
amplitude.
DC OFFSET range
+1 v to - 1 v
OFFSET OUT:
Range
+ 10 v to -10 v. OFFSET OUT = 10X (DC OFFSET).
2%
Accuracy
VERTICAL SIGNAL OUT:
Amplitude
200 mv/div of signal display
2%
Accuracy
SWEEP OUT:
Range
0 to greater than 10 v
2%
Accuracy
TIME/DIV:
20 ρs/div to 1 s/div in 1, 2, 5 sequence. Variable provides to 8 ρs/div.
Range
2%
Accuracy
System performance with PL-1373/U (Tektronix Type S-6) and SG-1094/U (Tektronix Type S-52).
35 ρs or less for incident step, 45 ρs or less for displayed reflection from short-circuited 1 ηs test
Rise time
line.
Pulse amplitude
At least +200 mv
Jitter
Less than 10 ps (without signal averaging)
Not more than 7%, total of 10% p-p within first 1.8 ns of step edge with reference level at 1.8 ns
Aberrations
from step from step edge; not more than 2%, total of 4% p-p after 2.5 ns from step edge with
reference level at 0.3 s from step edge.
Time-distance scale:
1% fs
Accuracy
TIME-DISTANCE Multiplier
X.1
X1
X10
.1s
1s
10s
Time range
Maximum of 150 ns one way cable delay
Air dielectric distance range.
49 ft
490 ft
4900 ft
15m
150 m
1500 m
Max of 150 ft (46 m) cable length.
Poly dielectric distance range.
32 ft
320 ft
3200 ft
9.75 m
97.5 m
975 m.
Max of 100 ft (30 m) cable length.
2
