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| Datasheet File OCR Text: |
| UNIT DESCRIPTION The input to the unit is a wideband AM and PM modulated IF carrier in the VHF band. The IF signal is power divided into four (4) channels and up-converted to separate UHF bands. Any combination of the four bands can be selected and combined in one primary RF output. The output level is controlled by a four bit digital attenuator with 45dB range. The unit has a second, selectable RF output to monitor the primary RF output. MODEL NO. CHD09297 4 Channel Up-Converter MFA PART IDENTIFICATION 5.00 J1 PIN DESIGNATIONS NOMENCLATURE BD_0 PIN NO. J1-1 J1-2 J1-3 J1-4 J1-5 J1-6 J1-7 J1-8 J1-9 J1-10 J1-11 J1-12 J1-13 J1-14 J1-15 J6 F3 J8 BD_1 BD_2 BD_3 ATT_0 (3 DB) ATT_1 (6 DB) J5 F2 J2 IF J4 F1 J7 4.50 ATT_2 (12 DB) ATT_3 (24 DB) RF SAMPLE SELECT +15VDC GND J3 F0 J1 -15VDC GND +5 VDC -5.2 VDC 2X SCREW LOCK ASSY M24308/26 CONNECTOR, MALE, 15 PIN M24308/4-11 7X CONNECTOR, SMA FEMALE .670 .340 .670 .300 1.00 MIXER SWITCH SWITCH IF BPF J6 SWITCH 4 WAY POWER DIVIDER IF BPF J5 SWITCH IF BPF J4 SWITCH F3+IF BPF ADJUSTABLE ATTENUATOR/ RF AMPLIFIER SWITCH F3+IF BPF ISOL AMPL J8 SPST BLANKING SWITCH COUPLER OUTPUT -11dB COUPLER BPF J7 MAIN OUTPUT SAMPLING OUTPUT F2+IF BPF F2+IF BPF J2 IF INPUT LO (F2) INPUT SWITCH SWITCH F1+IF BPF F1+IF BPF 4 WAY POWER COMBINER LO (F3) INPUT SWITCH SWITCH LO (F1) INPUT SWITCH SWITCH F0+IF BPF F0+IF BPF 4-BIT ATTEN 3,6,12,24 IF BPF J3 LO (F0) INPUT DA I C O In d u s t r i e s Rev. 6 / Iss. 2 |
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