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| Datasheet File OCR Text: |
| 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 .43 1.70 1.23 J4 5 12 UHF UHF/VHF UPPER COM 2 J3 J5 VHF J6 TEST POINT (TPI) WILL ACCEPT PROBE OF 0.40 DIA. (SEE CHART) PART IDENTIFICATION 0.12 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 SQUELCH 1 1.75 1.500 2.00 SQUELCH 2 OFF=OPEN=NORM ON=SATURATED OFF=OPEN=NORM ON=SATURATED OPEN=RCV GND=XMIT OPEN=RCV GND=XMIT 11 CONTROL LOGIC J1 J2 10 J1 J2 J4 KEY 1 8 UHF VHF COM 1 LOWER TNC FEMALE 5 PLACES KEY 2 3.95 .43 1.23 J4 KEYWAY .74 5 PLACES 1.25 MAX OVER HDW 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 @ +95C DA I C O In d u s t r i e s Rev. N/D / Iss. 1 |
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