DAICO DSWX9078

F E AT U R E S
MODEL NO.
DSWX9078
DC - 400 MHz
40 dB Isolation
Auto Mode Cycle Between Upper
for Two Radio
Failsafe Mode
Bit Port for Functionality Testing in Aircraft
HDI
Antenna Selector 4-Port
3.88
J4
.94
1.70
1.23
TPI
J5
0.25
0.50
.250
NORM
12
NORM
13
COM 1 SECURE IND.
PART
IDENTIFICATION
5.50
5.000
4.50
J3
Upper/Lower Indicator
TEST POINT (TPI)
WILL ACCEPT PROBE
OF 0.40 DIA. (SEE CHART)
0.12
J2
J1
ON=SATURATED
SQUELCH 2
ON=SATURATED
J4
TNC FEMALE
5 PLACES
KEY 2
3.95
J4 KEYWAY
1.23
1.10
.59
REF
.59
MOUNTING
SURFACE
0.09
±.02
.74
5 PLACES
1.25 MAX
OVER HDW
10
11
12
13
DA I C O In d u s t r i e s
GND=XMIT
J1
J2
UHF
VHF
COM 1 LOWER
6
OPEN=RCV
GND=XMIT
7
INDICATOR OUTPUT
FROM R/T2
(COM 2 BAND)
9
OPEN=VHF SELECT
GND=UHF SELECT
3
Primary PWR (+28V)
1
Primary Return
GUARANTEED PERFORM ANCE
J4 CONNECTOR
FUNCTION
Primary Power Return
Spare
Primary Power (+28V)
Spare
Upper/Lower Indicator
Com 2 Transmit Key
Mode Select
Com 1 Transmit Key
Com 2 Band Indicator
(UHF/VHF Select)
Com 2 Squelch Input
Com 1 Squelch Input
Com 1 Secure Indicator
Com 2 Secure Indicator
8
OPEN=RCV
+28=UPPER
OPEN=AUTO
GND=UPPER
M527478Y10D13P MATES
WITH M527473T10B35S
.190-32 UNF-2A THREAD
SOCKET HEAD CAPTIVE SCREW
(.156 HEX DRIVE)
4 PLACES
PIN
1
2
3
4
5
6
7
8
9
10
OFF=OPEN=NORM
KEY 1
.43
J6
11
OFF=OPEN=NORM
1.75
2.00
J5
UHF/VHF
Select
J4 - J9
SECURE
SQUELCH 1
1.500
J3
VHF
SECURE
COM 2 SECURE IND.
J6
5
CONTROL LOGIC
.43
UHF UHF/VHF
UPPER COM 2
Parameter
Test Point (TPI) Chart
Mode
A
B
C
D
Power Off
Power On
Com 1
Com 2
to
to
Lower
VHF
Lower
Upper
Upper
VHF
Upper
Lower
Test Point
Voltage
1V
3V
5V
7V
0V
Min Typ Max Units
Operating Frequency
DC Current
Isolation
Insertion Loss
DC
40
VSWR
Impedance
Switching Speed
RF Power
Operate
No Damage
Operating Temperature
-54
210
72
500
350
0.5
0.6
0.25
1.2/1 1.25/1
1.35/1
50
2.6
5
100
500
+25
+71
MHz
mA
dB
dB
dB
dB
Conditions
At +28 VDC Supply
30 - 400 MHz
400 - 500 MHz
J5 - J6 @ 30 MHz
30 - 400 MHz
400 - 500 MHz
OHMS
mSec
W
Average
W
Peak
°C
Intermittent @ +95°C
Rev. N/D / Iss. 1