Symmetricom TimeSource 3100 User Guide

Chapter 6 Specifications
1 PPS Output
184 TimeSource 3100 User’s Guide 097-72020-01 Revision K – December 2005
1 PPS Output
Connector Type: BNC
Connector Label: TTL PPS
Connector Location: Connector panel
Impedance: 50 Ω
Frequency: 1 pps
Time Accuracy: 100 ns with respect to Universal Coordinated Time (UTC) when
locked to GPS signal
GPS Holdover Time Error: 8.6 µs per day (0 °C to +50 °C, ±5 °C)
(After 1 week of steady-state operation)2.8 µs with span input
meeting ANSI T1.101 network specification 99% probability
1.8 µs per day with ST2E remote oscillator input
(0 °C to +50 °C, ±5 °C)
Pulse width: 1 µs pulse
Rise time: Less than 20 ns
Amplitude: Transistor-transistor logic (TTL) levels

Symmetricom TimeSource 3100 Specifications

General

Brand	Symmetricom
Model	TimeSource 3100
Category	GPS
Language	English