DNA/DNR-IRIG-650 IRIG Timing Layer
Chapter 1
4
Introduction
Tel: 508-921-4600
www.ueidaq.com
Vers:
4.6
Date: March 2019
DNx-IRIG-650 Chap1x.fm
© Copyright 2019
United Electronic Industries, Inc.
1.3
Technical
Specification
The technical specifications of the DNA/DNR-IRIG-650 IRIG Timing Layer.
Table 1-1. Technical Specifications
Inputs
IRIG Analog inputs
A, B, E and G types supported
Modulation ratio
3:1 to 6:1
Input amplitude
500 mV to 5 V P-P (AC coupled)
Input impedance
> 10 k Ω
IRIG-B DC inputs
3.3/5 V logic compliant
10 MHz input
3.3/5 V logic compliant
40% to 60% duty cycle
1 PPS input
3.3 and 5 V logic compliant
GPS
Antenna configuration
0OMZB
ctive
BOUFOOBTBSFTVQQPSUFE
Position (Velocity) accuracy
1.8 m (0.1 m/S) rms
UTC time accuracy
± 50 nS rms
Outputs
IRIG Output types
A, B, E and G types supported
Analog output
3:1 ratio,
4 V P-P output (50 ohm)
Digital output high voltage
1.1 V - 50 Ω (min)
2.4V - 1 Meg Ω (min)
Digital output low voltage
0.3 V - 50 Ω (max)
0.7V - 1 Meg Ω (max)
Sync and Clock outputs
TTL/CMOS compatible
Output timing signal selection
Std 1 & 10 PPS/PPM plus custom
Output clock selection
1, 5 and 10 MHz plus custom freqs.
On-Board Clock
Frequency
10 MHz
Initial accuracy
50 PPB
Temperature stability
50 PPB over full temp range
Time stability
300 PPB per year
Output Voltage
TTL/CMOS compatible
General
Power consumption
2W
Operating range
Tested -40 to +85 °C
Isolation
350 Vrms between all IRIG signals and
the chassis. (GPS is not isolated)
Humidity range
0-95%, non-condensing
Vibration
IEC 60068-2-6
IEC 60068-2-64
5 g, 10-500 Hz, sinusoidal
5 g (rms), 10-500Hz, broad-band random
Shock
IEC 60068-2-27
50 g, 3 ms half sine, 18 shocks @ 6
orientations
30 g, 11 ms half sine, 18 shocks @ 6
orientations
Altitude
to 70,000 feet
