Tektronix TDSUSB2, Руководство пользователя

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Reference
Downstream Setups for Low Speed signals
Table 39. Downstream settings for low speed signals
Ch. Vertical Setup Position Scale
Offset Coupling
Horizontal Setup Record Main
Trigger length scale pos.
Trigger Setup Trigger Slope Threshold Trigger
type mode
Ch1 (D-)
0 1V 0 DC 2500 5.00 E-07s 6% Edge Rise 1.65 V Normal
Ch2 (D+) 0 1V 0 DC N/A N/A N/A N/A N/A 800 mV N/A
Downstream Setups for Full Speed signals
Table 40. Downstream settings for low speed signals
Ch. Vertical Setup Position Scale
Offset Coupling
Horizontal Setup Record Main
Trigger length scale pos.
Trigger Setup Trigger Slope
Threshold Trigger type mode
Repeat
State
Hold Off
Mode
Ch1 (D-) -1.5 1 V 0 DC 5000 50.0 E-9 s 5% N/A N/A N/A N/A N/A 5 s
Ch2 (D+) -1.5 1 V 0 N/A N/A N/A N/A Edge Rise 1.65 V Normal Off N/A
Upstream Setup for High Speed signals
Probe Function External Attenuation 1.0
Table 41. Upstream settings for high-speed signals
Ch. Vertical Setup
Position Scale Offset
Horizontal Setup Record Main
Trigger Fit to Length scale pos. Trigger Setup Trigger
Threshold Trigger Type
mode
Repeat
State Hold Off
Mode Display
Mode
Differential 0 0.1 V 0 20000 2.00 E-07 10% On Edge 176 mV Normal Off 1.20
E-06 s Sin(x)/x
Inrush Setup
Table 42. Inrush current settings
Vertical Setup Pos. Scale Offset
Coupling
Horizontal Setup Record Main
Trigger length scale pos.
Trigger Setup Trigger Slope
Threshold Trigger type mode
Display
Mode
Hold Off
Mode
-3 1 A 0 DC 25000 1.00E-05 10% Edge Rise 20 mA Normal Sin(x)/x 100 E-09
TDSUSB2 Universal Serial Bus Measurement Package 177