Tektronix TDS 820, Руководство пользователя

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Nominal Traits
Appendix B: Specification
Specification
2Ć10
Table 2-3: Nominal Traits — Time Base System
Name Description
Sample Acquire Rate 0 to 50 ksamples per second
1
Range, Seconds per Division 20 ps per division to 2 ms per division in a 1–2–5 sequence. Settable
in calibrated 5 ps per division increments through the keypad.
Range, Time Base Position Main Time base
Delayed Time Base
≥
16 ns to 20 ms
≥
16 ns to 20 ms, but never less
than the main time base position
Record Length 500 points, 1000 points, 2500 points, 5000 points, or 15000 points
Rate Generator, Internal Programmable 10 Hz to 500 kHz
Deskew Resolution, Between Channel Adjustable in 1 ps steps
Deskew Range, Between Channel 0 to 10 ns
Holdoff Range 15
m
s to 2 s
1
The sample acquire rate is less than or equal to the slower of the trigger rate or the reciprocal of the trigger holdoff time.
Table 2-4: Nominal Traits — Triggering System
Name Description
Trigger Sources External (DC Coupled)
Internal rate generator
Channel 1 or 2 DC coupled (for the delay line version of the
TDS 820 only)
Ranges, Trigger Level Source
External Trigger
CH 1 or CH 2 Trigger
Range
V
the
TDS 820 only)
Resolution, Trigger Level Source
External Trigger
CH 1 or CH 2 Trigger
Range
0.5 mV increments
2 mV increments (for the delay line ver-
sion of the TDS 820 only)
Internal Clock Out Square wave out into 50
W
:
–0.175 V to 0.100 V low level
0.850 V to 1.100 V high level
1 MHz Clock Out Square wave out into 50
W
:
–0.350 V to –0.200 V low level
0.200 V to 0.350 V high level