Tektronix TPS2012B, Руководство пользователя

Страница: 152 / 184

Appendix A: TPS2000B Speci fi cations
Table 5: Trigger Speci fi cations
Characteristics Description
Coupling Sensitivity
CH1, CH2, CH3 1 , CH4 1 1 div from DC to 10 MHz
1.5 div from 10 MHz to
100 MHz
2 div from 100 MHz to
200 MHz
2
EXT
1 V
P-P
from 50 Hz to 100 MHz
2 V
P-P
from 100 MHz to
200 MHz 2
EXT/5 5X the value of EXT
Trigger Sensitivity, Edge
Trigger Type
DC
EXT/10 10X the value of EXT
Coupling Sensitivity
AC Same as DC-coupled limits from 50 Hz and above
NOISE REJ Reduces the DC-coupled trigger sensitivity by 2 times for >
10 mv/div to 5 V/div
HF REJ
Same as the DC-coupled limit from DC to 7 kHz, attenuates
signals above 80 kHz
Trigger Sensitivity, Edge
Trigger Type, typical
LF REJ Same as the DC-coupled limits for frequencies above 300 kHz,
attenuates signals below 300 kHz
Source Range
CH1, CH2, CH3 1 , CH4 1 ±8 divisions from center of screen
EXT ±4 V
EXT/5 ±20 V
Trigger Level Range
EXT/10
±35 V
Accuracies are for signals having rise and fall times ≥ 20 ns
Source Accuracy
Internal ±(0.2 div + 5 mV) within ±4 divisions from the center of the screen
EXT ±(6% of s 250 mV) for signals < ±2 V
EXT/5 ±(6% of s 500 mV) for signals < ±10 V
Trigger Level Accuracy,
typical
EXT/10 ±(6% of s 1 V) for signals < ±20 V
Set Level to 50%, typical Operates with input signals ≥ 50 Hz
Default Settings, Video
Trigger Coupling is AC and Auto mode except for a single sequence acquisition
Composite video signal
Source Range
Internal Pk-pk amplitude of 2 divisions
EXT ±1 V
EXT/5 ±5 V
Sensitivity, Video Trigger
Type, typical
EXT/10 ±10 V
126 TPS2000B Series Digital Oscilloscope User Manual