Mohr CT100B Series, Operator'S Manual

Page: 101 / 138

A. Specifications
A.1. Electrical Specifications
Characteristic Specifications Notes
Reflected rise time, CT100B 10-90% 150 ps typ, 200 ps max 10 to 90%, into 50Ω
Reflected rise time, CT100B 20-80% 100 ps typ, 150 ps max 20 to 80%, into 50Ω
Reflected rise time, CT100HF 10-90%
100 ps typ, 130 ps max 10 to 90%, into 50Ω
Reflected rise time, CT100HF 20-80% 60 ps typ, 90 ps max 20 to 80%, into 50Ω
Jitter 15 ps max (peak-to-peak) < 1 ps rms typ.
Output impedance 50Ω ± 2%
Pulse amplitude 300 ± 10 mV Averaged value into 50Ω
Pulse width Fixed: 1.000-2.000,
5.000-6.000,
20
. 00
−
21 . 00 µ s
Averaged values change
for short, medium, and
long cable length settings,
respectively
Pulse repetition time Fixed: 4 . 000 ± 0 . 002,
20 . 00
±
0 . 02,
80 . 00 ± 0 . 02 µ s
Averaged values change
for short, medium, and
long cable length settings,
respectively
Sequential sampling rate Fixed: 250 . 0
±
0 . 2,
50 . 00 ± 0 . 04,
12 . 50
±
0 . 02 kHz
Averaged values change
for short, medium, and
long cable length settings,
respectively
Vertical scale 0.5 m ρ /div
Vertical accuracy
±
3% full scale <
±
1% of measurement
typ.
Vertical position Any trace point is
movable to the center of
the screen.
Sampling efficiency, CT100B 50 to 90% into 50Ω
Sampling efficiency, CT100HF 45 to 90% into 50Ω
Noise
±
5 m ρ peak-to-peak
Input susceptibility
±
1 A max into diode clamps
Distance cursor resolution 1/45 of one major division
Cursor readout range
≤
-0.3 m (-1 ft.) to >
10000 m (33000 ft.)
Cursor readout resolution 0.0002 m (0.0007 ft.)
Distance measurement accuracy < 1 cm (0.3 in.) or
<
0
.
5% of measurement
plus uncertainty in Vp,
whichever is greater
< ± 0 . 05% of
measurement typ.
Impedance readout range < 1Ω to > 1 . 5kΩ
Impedance resolution 3 significant digits
Impedance accuracy ± 10%, relative
measurement
±
2%
< ± 1%typ.(0 to 1kΩ)
Horizontal scale 0.01 m/div (0.03 ft/div)
to
≥ 61 m/div (200
ft/div)
(variable with pulse
width)
Horizontal range < 0 m to > 1000 m
(3300+ ft)
CT100B TDR Cable Analyzers Operator’s Manual 83