From c8ee5f96fd66140ce99233a0a1db4fa6d440f0d0 Mon Sep 17 00:00:00 2001 From: Sergio Poppi <s.poppi@gmail.com> Date: Mon, 2 Mar 2020 16:31:10 +0100 Subject: [PATCH] Update antenna.rst Added 1000 MHz configuration for SARDARA L-BAND. DFB removed spectroscopy config. --- antenna.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/antenna.rst b/antenna.rst index 401d041..9d027fc 100644 --- a/antenna.rst +++ b/antenna.rst @@ -157,14 +157,14 @@ Backend Bands Bandwidth (MHz) Sampling time Max freq. bins **Total Power** C,K 250,680,1200,2000 1-1000 ms 1 continuum (analog) **XARCOS** C,K 0.5,2.0,7.8,62.5 10s 2048 spectro-polarimeter **SARDARA** C,K 420(300*),1500(1200*) down to 5ms 1024 or 16384 spectro-polarimeter(*) -**SARDARA** L 420(90/100*),1500(500*) down to 5ms 1024 or 16384 spectro-polarimeter(*) -**DFB3** L,C,K 256,512,1024 100 microsec 8192, pulsars: 2048 online pulsar folding + pulsar/transient search +**SARDARA** L 420(90/100*),1000(500*),1500(500*) down to 5ms 1024 or 16384 spectro-polarimeter(*) +**DFB3** L,C,K 1024 100 microsec 2048 online pulsar folding + pulsar/transient search **ROACH1** P,L,C,K 128 - (varies) baseband recorder + offline pulsar folding + pulsar/transient search **DBBC** P,L,C,K 512 - - VLBI =============== ======= ======================= =============== ===================== ====================================================================== (*) For the 1500 MHz SARDARA configuration, the actual available RF bandwidth is 1200 MHz with the C-band and K-band receivers. -Similarly, for the 420 MHz SARDARA configuration, the effective RF bandwidth is 300 MHz with the K-band and C-band receivers. Instead, the L-band receiver only has 500 MHz of RF bandwidth; when the SARDARA 420 MHz configuration is needed, the actual available RF bandwidth for SARDARA is 100 MHz (when selecting the XXL3 or XXC3 filters) or 90 MHz (when selecting the XXL5 or XXC5 filters). +Similarly, for the 420 MHz SARDARA configuration, the effective RF bandwidth is 300 MHz with the K-band and C-band receivers. Instead, the L-band receiver only has 500 MHz of RF bandwidth; when the SARDARA 420 MHz configuration is needed, the actual available RF bandwidth for SARDARA is 100 MHz (when selecting the XXL3 or XXC3 filters) or 90 MHz (when selecting the XXL5 or XXC5 filters).The 1000 Mhz SARDARA configuration does not allow line frequency tracking (f-track). Total Power ----------- @@ -283,7 +283,7 @@ SARDARA's spectral resolution and sensitivity are defined by its full 1500 MHz b **L-band setup** -The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters must be used (choose between XXL4, XXL2 etc.). For the 420 MHz configuration, the available filters are: XXL3, XXL5, XXC3 and XXC5 (to be selected following the needed sky frequency and polarization). We note that with these filters, the effective RF bandwidth is 100 MHz (using the XXL3 or XXC3 filters) or 90 MHz (using the XXL5 or XXC5 filters). +The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters must be used (choose between XXL4, XXL2 etc.). For the 420 MHz configuration, the available filters are: XXL3, XXL5, XXC3 and XXC5 (to be selected following the needed sky frequency and polarization). We note that with these filters, the effective RF bandwidth is 100 MHz (using the XXL3 or XXC3 filters) or 90 MHz (using the XXL5 or XXC5 filters). A 1000 MHz configuration is also available without line frequency tracking. **SARDARA is offered in shared-risk mode in all of its configurations.** -- GitLab