Tektronix 071-0957-03, Руководство пользователя

Страница: 184 / 254

Appendix A: Specifications
A- 6
TDS3000B Series User Manual
Specifications (cont.)
Horizontal
n
Sample rate and
delay time accuracy
±
20 ppm over any
≥
1 ms time interval
Trigger
External trigger input,
typical
TDS30x2B:
1 M
Ω
in parallel with 17 pF, TekProbe compatible
TDS30x4B:
1 M
Ω
in parallel with 52 pF, not Tekprobe compatible
External trigger
i l
Overvoltage category Maximum voltage gg
maximum voltage
CAT I Environment (refer to
page A--14) 150 V
RMS
(400 V
pk
)
CAT II Environment (refer to
page A--14) 100 V
RMS
(400 V
pk
)
For steady-state sinusoidal waveforms, derate at 20 dB/decade
above 200 kHz to 13 V
pk
at 3 MHz and above.
External trigger maxi-
mum floating voltage 0 V from chassis (BNC) ground to earth ground, or
30 V
RMS
(42 V
pk
) only under these conditions: no signal voltages
>30 V
RMS
(>42 V
pk
), all common leads connected to the same
voltage, no grounded peripherals attached
n
Edge trigger
i i i
Source Sensitivity g gg
sensitivity
Any channel, DC coupled
≤
0.6 div from DC to 50 MHz,
increasing to 1 div at oscillo-
scope bandwidth
Edge trigger sensitivity,
typical External trigger 200 mV from DC to 50 MHz,
increasing to 750 mV at
300 MHz
External/10 trigger 500 mV from DC to 50 MHz,
increasing to 3 V at 300 MHz
Any channel, NOISE REJ
coupled 3.5 times the DC-coupled limits