GTN 625/635/650 TSO Installation Manual
Page D-11
190-01004-02
Rev. C
VHF NAV RADIO WITH
SEPARATE G/S AND
VOR/LOC ANTENNA
PORTS
G/S
VOR/LOC/GS
Antenna
GTN 650 #1
NAV
P1008
Splitter
1
2
S
SINGLE GTN, OTHER RADIO, AND SINGLE ANTENNA
Diplexer
G/S
VOR
ANT
VOR/LOC
2
GTN 650 #2
COM
P1007
GPS/WAAS
P1006
NAV
P1008
GTN 650 #1
COM
P1007
P1006
NAV
P1008
GPS/WAAS
GPS/WAAS Antenna
COM Antenna
GPS/WAAS Antenna
COM Antenna
Splitter
1
2
S
2
G/S Antenna
VOR/LOC Antenna
Diplexer
G/S
VOR
ANT
DUAL GTN/DUAL NAV ANTENNA INSTALLATION
1. THE GPS ANTENNA COAXIAL CABLE MUST BE DOUBLE OR TRIPLE SHIELDED AND THE LOSS (INCLUDING CONNECTORS) MUST USUALLY
BE GREATER THAN 1.5 dB AND LESS THAN 6 dB.
2. MINI-CIRCUITS SPLITTER P/N ZFSC-2-1B+ (OR EQUIVALENT) SHOULD BE USED.
3. COMANT DIPLEXER P/N CI 507 (OR EQUIVALENT) SHOULD BE USED.
4. THE DIPLEXER IS INSTALLED BACKWARDS FROM TRADITIONAL APPLICATIONS. WHEN A G/S AND VOR/LOC ANTENNA IS INSTALLED, IT
IS REQUIRED TO JOIN THE SIGNALS OF BOTH ANTENNAS WITH THE CI-507 DIPLEXER.
3
4
1
1
Figure D-5. GTN 6XX – Antenna Interconnect
Sheet 3 of 3