Tektronix TDS1000- Manual de usuario descargar pdf (Pagina 121)

Reference

TDS1000/2000-Series Digital Oscilloscope User Manual

103

Coupling. Coupling allows you to filter the trigger signal used to

trigger an acquisition.

Option Details

DC Passes all components of the signal

Noise Reject Adds hysteresis to the trigger circuitry; this reduces sensitivity

which reduces the chance of falsely triggering on noise

HF Reject Attenuates the high-frequency components above 80 kHz

LF Reject Blocks the DC component and attenuates the low-frequency

components below 300 kHz

AC Blocks DC components and attenuates signals below 10 Hz

NOTE. Trigger coupling af fects only the signal passed to the trigger

system. It does not affe ct the bandwidth or coupling of the signal

displayed on the screen.

Pretrigger. The trigger position is typically set at the horizontal center

of the screen. In t his case, you are able to view five divisions of

pretrigger information. Adjusting the Horizontal Position of the

waveform allows you to see more or less pretrigger information.

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Tektronix TDS1000- Manual de usuario Pagina 121