FE AT UR ES
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
MODEL NO.
100D0688
3 Port Antenna Selector
HDI
WIRE LOCK
.25
.50
1.00
.38
TP1
J1
1.75
1.50
J4
.60 (MAX)
TYP
5.50
5.00
4.50
PART
IDENTIFICATION
UPPER
ANT
.250
0.13
LOWER
ANT
ADF
ANT
TEST
POINT
JACK
J3
2.00
J2
J4
J3
J2
J5
.209 DIA THRU
(4 PLACES)
.25
1.00
1.75
3.75
TNC FEMALE
3 PLACES
LOGIC
CONNECTOR,
SMA FEMALE
J2
1.11
.72
.41
0.09
±.02
J3
TP1 (FARSIDE)
CONNECTOR, 13 PIN
MS27478Y-10D-13P
.xx = .02
.xxx = .010
J5
.59
KEYWAY
(REF)
1.25
MAX
J1
J5
R/T
G U ARANT E ED PE RF ORM ANCE
Parameter
Operating Frequency
DC Current
Isolation
Insertion Loss
VSWR
Impedance
Switching Speed
RF Power
Operate
Operating Temperature
Weight
Min Typ Max Units
DC
40
0.5
1.25/1
50
5
100
500
+71
9
400
150
MHz
mA
dB
dB
Conditions
At +28 VDC Supply
-54
+25
OHMS
mSec
W
Average
W
Peak
°C
Intermittent @ +95°C
OZ
DA I C O
In d u s t r i e s
Rev. H / Iss. 1
DAICO [ DAICO INDUSTRIES, INC. ]
