1503C MTDR User Manual
A–1
Appendix A: Specifications
The tables in this chapter list the characteristics and features that apply to this
instrument after it has had a warm-up period of at least five minutes.
The Performance Requirement column describes the limits of the Characteristic.
Supplemental Information describes features and typical values or other helpful
information.
Electrical Characteristics
Characteristic
Performance Requirement
Supplemental Information
Test Pulse
Width
Accuracy
Selected: 2 ns, 10 ns, 100 ns, 1000 ns
2 ns
"
1 ns; 10 ns, 100 ns, 1000 ns
"
10%
Measured at half sine amplitude point with
matching termination.
Pulse Amplitude
Terminated
Unterminated
–2.5 VDC
"
10% for 10 ns, 100 ns, 1000 ns;
2 ns
"
20%
–5.0 VDC
"
10% for 10 ns, 100 ns, 1000 ns
Internal cable length prevents 2 ns pulse from
reaching full unterminated voltage
Pulse Shape
1/2 sine
Pulse Output Impedance
Accuracy
Selected: 50 , 75 , 93 , 125
1%
Pulse Repetition Time
350
s nominal
Vertical
Scale
Accuracy
Set Adjustment
Vertical Position
0 dB to 63.75 dB gain
"
3%
Set incident pulse within
"
3%
Any waveform point moveable to center screen.
256 values at 0.25 dB increments
Combined with vertical scale control.
Displayed Noise
Random
Aberrations
v"
1.0 division peak with 57 dB gain,
filter set to 1
v"
1.0 division peak with 63 dB gain,
filter set to 8
v
–30 dB p–p for 10 ns, 100 ns, 1000 ns test
pulse
v
–25 dB p–p for 2 ns test pulse
With matching terminator at panel. Beyond
three test pulse widths after test pulse.
Within three test pulse widths after test pulse.
dB is relative to test pulse.
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Summary of Contents for 1503C
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Page 104: ...Appendis B Operator Performance Checks B 12 1503C MTDR User Manual...
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