100D1788 Datasheet, PDF (1/1 Pages) DAICO Industries, Inc. – 4 Port Antenna Selector

F E AT U R E S
Connects R/T to 4 Antennas (Upper, Lower, ADF
MODEL NO.
or Satcom.
100D1788
ADF Overide with Key Interlock Prevents
HDI
Transmission into the ADF Port
Failsafe Mode Connects R/T to Lower Antenna in
4 Port Antenna Selector
the Event of a Power Loss
Auto Mode Cycles Between Upper and Lower Antenna
Using Solid State Relay Saver Circuitry for Reliability
Key Function with Memory Automatically Selects the
Antenna on which the Last Signal was Received
BIT Port for Functionality Test in Aircraft. Available on
Separate SMA Connector or J1 Control Connector
UPPER
ANT
LOWER
ANT
SATCOM UHF/DF
ANT
ANT
TP1 CONNECTOR,SMA
FEMALE (WITH CHAIN-HELD
DUST COVER)
.28
.63
4.00
.50
.19
.48 TYP
MOUNTING
SURFACES
.55
1.44
2.625
TP1
J1
.50
.38
J4
J3 1.63
J5
J6
J2
2.00
3.00
MAX
.56
2.85
3.85
4.85
5.25
.196 DIA THRU
4 HOLES
M3470W14-15P
(MIL-C-26482)
(Series 2)
.53
1.71 _1.21
PART IDENTIFICATION
& SER NO.
ON FARSIDE
.xx = .02
.xxx = .010
J2 THRU J6
TNC FEMALE PER
MIL-C-39012
.75
.09
J2
J3
J4
J5
SOLID STATE
SWITCH U/O
AUTO SEARCH
MODE
K1
S1
TO SOLID STATE
SWITCH U/O _K3
AUTO SEARCH
RECEIVE MODE
J1
LOGIC/MEMORY
SWITCH DRIVER
TO ELECTRO-MECHANICAL
SWITCH U/O TRANSMIT MODE
OR MANUAL OVER-RIDE MODE
K4
J6
R/T
SHOWN IN AUTO CYCLE MODE
GUARANTEED PERFORMANCE
Parameter
Min Typ Max Units Conditions
Operating Frequency
225
400 MHz
DC Current
150 mA At +28 VDC Supply
Insertion Loss
0.8 dB
Isolation
30
dB
VSWR
1.35/1
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
18.2 OZ
DAICO Industries
Rev. E / Iss. 1