Novatel 01020347, Руководство пользователя

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16 WAAS GUS Signal Generator User Guide Rev 1
Chapter 2 Minimum Connections
Figure 4 displays how you might typically set up the Signal Generator to test the signal.
Figure 4: Signal Generator Setup Example
Reference Description
1 WAAS GUS Signal Generator (NovAtel P/N 1020347)
2 WAAS G-III Receiver (NovAtel P/N 01018740)
3 10 MHz Low Noise OCXO Reference Oscillator
4 Personal Computer (PC)
5 Off-the-Shelf USB to RS-232 Adapter
6 Data Source Module (NovAtel P/N 01020346)
7 Externally Powered GPS Antenna
8 50 Ohm 3:1 RF Combiner, SMA
9 50 dB SMA Coaxial Attenuators, 50 ohm
10 SMA Coaxial DC-block (the WAAS G-III Receiver RF1 In outputs DC power by default)
11 DB-9 Serial Cable
12 USB Cable Type-A to micro-USB (NovAtel P/N 60723119)
13 50 ohm Coaxial Cable, Male TNC to Male SMA (NovAtel P/N 60423064)
14 50 ohm Coaxial Cable, Male Type-N TNC to Male SMA
15 120 VAC Power Cable (NovAtel P/N 60723070)
16 50 ohm Coaxial Cable, Male TNC to Male TNC
17 CAT-5 Ethernet Cable
18 Local Area Network
19 Gain Element (either an amplifier or an attenuator)
1
1. To guarantee the noise power is between -152 dBm/Hz and -132 dBm/Hz at the input to the receiver.
The normal tracking range of the receiver is for CNos between 30 dB/Hz and 60 dB/Hz.