Garmin GTN 635 Installation Manual page 165

SINGLE GTN, OTHER RADIO, AND SINGLE ANTENNA
GTN 650 #1
VHF NAV RADIO WITH
SEPARATE G/S AND
VOR/LOC ANTENNA
PORTS
VOR/LOC
DUAL GTN/DUAL NAV ANTENNA INSTALLATION
GTN 650 #1
COM
GPS/WAAS
NAV
GTN 650 #2
NAV
COM
GPS/WAAS
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.
GTN 625/635/650 TSO Installation Manual
190-01004-02
P1008
NAV
G/S
G/S
Diplexer
ANT
VOR
P1007
P1006
P1008
2
1
Splitter
2
P1008
P1007
P1006
Figure D-5. GTN 6XX – Antenna Interconnect
Sheet 3 of 3
2
1
Splitter S
2
COM Antenna
GPS/WAAS Antenna
3 4
G/S
S Diplexer
ANT
VOR
COM Antenna
GPS/WAAS Antenna
VOR/LOC/GS
Antenna
1
G/S Antenna
VOR/LOC Antenna
1
Page D-11
Rev. C