Functional Overview

Connectors, Terminations, and Levels

Tables 2-1 and 2-2 below summarize the physical interface characteristics of all

GB1400 Generator and Analyzer inputs and outputs.

Table 2-1. Generator (Tx) Inputs and Outputs

Connector Label

Signal Type

Location

Connector

Impedance, amplitude,

 

 

 

Type

and offset

 

 

 

 

 

 

DATA

output

OUTPUT section

SMA,

50

Ohm, see NOTE 1,

 

 

 

female

variable amplitude and

 

 

 

 

offset

 

 

 

 

 

 

CLOCK

output

OUTPUT section

SMA,

50

Ohm, see NOTE 1,

 

 

 

female

variable amplitude and

 

 

 

 

offset

 

 

 

 

 

 

DATA-BAR

output

OUTPUT section

SMA,

50

Ohm, see NOTE 1,

 

 

 

female

variable amplitude and

 

 

 

 

offset

 

 

 

 

 

 

CLOCK-BAR

output

OUTPUT section

SMA,

50

Ohm, see NOTE 1,

 

 

 

female

variable amplitude and

 

 

 

 

offset

 

 

 

 

 

CLOCK/4

output

OUTPUT section

SMA,

50 Ohm, 200mV into 50Ω

 

 

 

female

 

 

 

 

 

 

 

PATTERN SYNC

output

OUTPUT section

SMA,

50 Ohm, 200mV into 50Ω

 

 

 

female

 

 

 

 

 

 

 

 

CLOCK INPUT

input

CLOCK section

SMA,

50

Ohm, 2V max, see

 

 

 

female

NOTE 2

 

 

 

 

 

 

DATA INHIBIT

input

rear panel

BNC,

50

Ohm to -2V, ECL

 

 

 

female

 

 

 

 

 

 

 

 

ERROR INJECT

input

rear panel

BNC,

50

Ohm to -2V, ECL

 

 

 

female

 

 

 

 

 

 

 

RS-232

I/O

rear panel

25 pin, D

RS-232C standard levels

 

 

 

type

and impedance

 

 

 

 

 

GPIB

I/O

rear panel

GPIB

IEEE-488 standard levels

 

 

 

 

and impedance

 

 

 

 

 

 

Note 1: A 75-Ohm version of the GB1400 is an option.

Note2: BURST Mode units require ECL-level inputs and are terminated with 50-Ohms to -2V.

2-16

GB1400 User Manual

Page 42
Image 42
Tektronix 071-0590-00 user manual Connectors, Terminations, and Levels