Document
F E AT U R E S DC - 400 MHz 40 dB Isolation Auto Mode Cycle Between Upper for Two Radio Failsafe Mode Bit Port for Functionality Testing in Aircraft
MODEL NO. DSWX9078
Antenna Selector 4-Port
HDI
3.88 .94 J4 5 12 UHF UHF/VHF UPPER COM 2 J3 J5
www.DataSheet4U.com
.43 1.70 1.23 TEST POINT (TPI) WILL ACCEPT PROBE OF 0.40 DIA. (SEE CHART) PART IDENTIFICATION 0.12 SQUELCH 1 1.75 1.500 J1 J2 J4 KEY 1 TNC FEMALE 5 PLACES KEY 2 3.95 .43 1.23 J4 KEYWAY .74 5 PLACES 1.25 MAX OVER HDW
OPEN=RCV GND=XMIT OPEN=RCV GND=XMIT
VHF J6
Upper/Lower Indicator
NORM
COM 1 SECURE IND.
SECURE NORM
5.50 5.000 4.50 TPI J3 J5 J6
0.25 0.50 .250
COM 2 SECURE IND.
SECURE
13
UHF/VHF Select J4 - J9
OFF=OPEN=NORM ON=SATURATED OFF=OPEN=NORM ON=SATURATED
11
CONTROL LOGIC
J1
J2
2.00
10
SQUELCH 2
UHF VHF COM 1 LOWER
8
6
+28=UPPER OPEN=AUTO GND=UPPER
7
1.10 MOUNTING SURFACE .190-32 UNF-2A THREAD SOCKET HEAD CAPTIVE SCREW (.156 HEX DRIVE) 4 PLACES
0.09 ±.02
.59 REF .59
INDICATOR OUTPUT FROM R/T2 (COM 2 BAND)
OPEN=VHF SELECT GND=UHF SELECT
9
M527478Y10D13P MATES WITH M527473T10B35S
3 1
Primary PWR (+28V) Primary Return
J4 CONNECTOR
PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 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
GUARANTEED PERFORM ANCE
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
DC 40 210 72 500 350 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
Operating Frequency DC Current Isolation Insertion Loss
VSWR Impedance Switching Speed RF Power
Operate
No Damage
Operating Temperature
-54
0.5 0.6 0.25 1.2/1 1.25/1 1.35/1 50 2.6 5 100 500 +25 +71
OHMS mSec W Average W Peak °C Intermittent @ +95°C
DA I C O In d u s t r i e s
Rev. N/D / Iss. 1
.