MODEL NO.
100D0688
F E AT U R E S
Connects R/T to 3 Antennas (Upper, Lower or ADF)
Auto Mode Cycles Between Upper and Lower Antenna
Key Function with Memory Automatically Selects
the Antenna on which the Last Signal was Received
ADF Overide with Key Interlock Prevents Transmission
into the ADF Port
Failsafe Mode Connects R/T To Lower Antenna in
the Event of a Power Loss
BIT Port for Functionality Test in Aircraft
HDI
D A I C O
I n d u s t r i e s
Rev. H / Iss. 1
3 Port Antenna Selector
.xx = .02
.xxx = .010
1.11
0.09
.02
CONNECTOR, 13 PIN
MS27478Y-10D-13P
.59
KEYWAY
(REF)
TP1 (FARSIDE)
CONNECTOR,
SMA FEMALE
J5
J2
.72
.41
1.25
MAX
J3
4.50
1.50
TNC FEMALE
3 PLACES
1.75
5.00
0.13
IDENTIFICATION
PART
2.00
5.50
.250
TP1
.38
.25
.50
J1
WIRE LOCK
1.00
.209 DIA THRU
(4 PLACES)
J4
J3
J2
J5
1.00
.25
1.75
3.75
TEST
POINT
JACK
.60 (MAX)
TYP
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
DC
400
MHz
DC Current
150
mA
At +28 VDC Supply
Isolation
40
dB
Insertion Loss
0.5
dB
VSWR
1.25/1
Impedance
50
OHMS
Switching Speed
5
mSec
RF Power
Operate
100
W
Average
500
W
Peak
Operating Temperature
-54
+25
+71
C
Intermittent @ +95
C
Weight
9 OZ
G U A R A N T E E D P E R F O R M A N C E
UPPER
ANT
LOWER
ANT
ADF
ANT
R/T
J5
LOGIC
J1
J4
J2
J3
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