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2 Hardware Configuration
MiLLennium GPSCard and Enclosures Guide to Installation & Operation 13
2 HARDWARE CONFIGURATION
2 HARDWARE CONFIGURATION
MILLENNIUM GPSCARD
The MiLLennium consists of a radio-frequency (RF) and a digital electronics section. Prior to operation, an antenna,
power supply, and data and signal interfaces must be connected. The overall system is represented in Figure 2.Abrief
description of each section follows.
Figure 2 MiLLennium System Functional Diagram
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Reference Description Reference Description
1 MiLLennium L1/L2 GPSCard 13 VCTCXO
2 RF section 14 RF-IF sections
3 Digital section 15 Signal processor
4 NovAtel GPSAntenna or user-supplied 16 32-bit CPU
5 Optional user-supplied LNA power (0-30 VDC) 17 System I/O
6 User-supplied power (5 VDC) 18 LNA
7 Optional external oscillator (5 or 10 MHz) 19 Clock signals
8 User-supplied data & signal processing equipment 20 AGC signals
9 COM1 21 Control signals
10 COM2 22 RF and power connectors
11 Input timing strobe 23 Antenna feed
12 Output timing strobe