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--- operations:documentation:lba_dbbc_config [2013/03/28 05:06]
Jim Lovell
+++ operations:documentation:lba_dbbc_config [2013/03/28 05:18]
Jim Lovell [S-band, dual polarisation - 4 channels maximum]
@@ Line 141: / Line 141: @@
-!!!S-band, dual polarisation - 4 channels maximum
-This is the configuration that is most fraught with hazard. It requires either physical recabling of the dbbc to put the correct S-band inputs into CoMos A and B, or requires the following (untested) procedure. If you use recabling, follow the X-band notes but use 1900 when working out dbbc frequencies.
+===== S-band, dual polarisation - 4 channels maximum =====
+This is the configuration that is most fraught with hazard. It requires either physical recabling of the dbbc to put the correct S-band inputs into CoMos A and B, or requires the following (untested) procedure. If you use recabling, follow the X-band notes but note the [[hardware:dbbc.routing|IF inputs]] and LO frequencies will differ.
+If not re-cabling, then read on...
+In this case the [[hardware:dbbc.routing|IF inputs]] setup dictates that you will have S-band LCP through CoMo A input 4, and S-band RCP through CoMo C, input 2.
 * Create a new configuration file in @@C:\DBBC_CONF@@ of dbbcke if needed. If the experiment shares a configuration with a previous experiment (same frequencies, polarisations, channel order) then you should be able to use that. Otherwise, read on.