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TM 32-5895-227-14&P
Section III. RADIO FREQUENCY DISTRIBUTION DETAILED THEORY
on Patch Panels SB-2235/GR No. 2 through No. 7 can
6-12 GENERAL.
Radio  frequency  (RF)  energy
be patched to line output positions 1 through 33 on SB-
induced in Antenna Sets AS-341/GR is coupled by
2235/GR No. 8, No. 9, and No. 10.
antenna transmission lines to Connector Assembly MX-
7141/M. An RF system may include external antenna
sets, Connector Assembly MX-7141/M, RF Patch Panels
6-15 ANTENNA COUPLER CU-872A/U.  See figures
SB-2235/G, Antenna Couplers CU-872A/U, and Radio
2-1 and 6-9. Antenna couplers No. 1 through 6 are
Receiver R-390A/URR.
directly coupled to RF Patch Panels SB-2235/GR No. 2
through 7.  RF cables CG-1044/U, CG-1046/U, CG-
1048/U, CG1050/U, CG-1052/U, and CG-1054/U are
6-13 CONNECTOR  ASSEMBLY  MX-7141/M. This
used for direct patching from coupler output to RF patch
position provides a common entry and access point for
panels.
RF cables CG-1045/U, CG-1047/U, CG-
all information signals employed in the AN/MSQ-71
1049/U, CG-1051/U, CG-1053/U, and CG-1055/U are
system. There are 44 UG-570/U RF connectors on this
the SB-2235/GR output cables to the coupler inputs.
panel. Antenna 1 through antenna 11 input positions
See NAVSHIPS 94490 for a detailed theory of operation
and line 2 through line 33 output positions are shown in
of Antenna Coupler CU872A/U.
figures 2-1, 6-3, and 6-9. Antenna input cables from the
feedthrough to RF patch panels are CG-(1000)/U
6-16 RECEIVER INPUT, R-390/URR. See figures 2-1
through CG-(1010)/U. Line output cables from RF patch
and 6-9. The RF Patch Panel SB-2235/GR, positions 36
panels to the feedthrough are CG-(1011)U through CG-
through 42, is directly interconnected by cables CG-
(l 043)/U.
1056/U through CG-1062/U to Radio Receiver R-
390A/URR and the RFP position.
6-14 RADIO FREQUENCY PATCH PANELS SB-2235/
GR. Radio frequency patching of SB-2235/GR No. 1
(figures 2-1 and 6-9) consists of 11 RF inputs which can
be patched to SB-2235/GR No. 2 to No. 7 inputs and to
receiver position inputs No.  36 through 42 on SB-
2235/GR No. I11. Antenna coupler outputs 1 through 8
6-12

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