Functional Overview
2-16 GB1400 User Manual
Connectors, Terminations, and LevelsTables 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
Type Impedance, amplitude,
and offset
DATA output OUTPUT section SMA,
female 50 Ohm, see NOTE 1,
variable amplitude and
offset
CLOCK output OUTPUT section SMA,
female 50 Ohm, see NOTE 1,
variable amplitude and
offset
DATA-BAR output OUTPUT section SMA,
female 50 Ohm, see NOTE 1,
variable amplitude and
offset
CLOCK-BAR output OUTPUT section SMA,
female 50 Ohm, see NOTE 1,
variable amplitude and
offset
CLOCK/4 output OUTPUT section SMA,
female 50 Ohm, 200mV into 50Ω
PATTERN SYNC output OUTPUT section SMA,
female 50 Ohm, 200mV into 50Ω
CLOCK INPUT input CLOCK section SMA,
female 50 Ohm, 2V max, see
NOTE 2
DATA INHIBIT input rear panel BNC,
female 50 Ohm to -2V, ECL
ERROR INJECT input rear panel BNC,
female 50 Ohm to -2V, ECL
RS-232 I/O rear panel 25 pin, D
type RS-232C standard levels
and impedance
GPIB I/O rear panel GPIB IEEE-488 standard levels
and impedance