Tektronix 071-0590-00 user manual Clock, Data, and Reference Data Inputs, Input Parameters

Reference

Clock, Data, and Reference Data Inputs

This section explains how to set up Analyzer clock, data, and reference data inputs using front panel controls and Menus.

Overview

The Analyzer CLOCK, DATA, and REF DATA inputs are designed to accommodate a wide range of output logic levels and circuit designs. An equivalent circuit diagram of the Analyzer input section is shown in the following figure.

Input

Comp

50Ω

-2Vdc

AC

GND

Figure 3-3. Analyzer Clock and Data Input Circuits

Input Parameters

The following input parameters may be set manually by the user or automatically by the AUTO SEARCH function:

Decision threshold (DATA, and REF DATA)

Delay (DATA and REF DATA)

Inverted or non-inverted data (DATA).

In addition, there are termination parameters that can be selected only by the user:

Termination (CLOCK, DATA, and REF DATA)

Note that user or manual control functions may be executed locally, via front panel controls or Menus, or remotely via the instrument's RS-232 or GPIB ports.

GB1400 User Manual 3-23