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There are 6 backends which can be individually connected to any
- The first 1MHz filter bank, consisting of 512
channels of 1 MHz (can be split into two halves and connected to two
- The second 1MHz filter bank, consisting of 512 channels of 1
MHz (not splittable).
The two 1 MHz filterbanks can be combined into a 1 GHz wide filterbank and
connected to 230G2. This, however, exclude the use of any other backend
with 230G2 at the same time.
- The 100kHz filter bank, consisting of 256 channels of 100 kHz
(splittable into two halves movable inside the 500 MHz instantaneous
bandwidth, and connectable to two different receivers)
- The 500 channel AOS: ( Under repair)
Bandwidth 500 MHz; actual spectral
resolution 1.5 MHz. Using the AOS with the 3 mm SIS receiver results
in higher noise at the band edges, so the combination 3 mm SIS + AOS
is not recommended.
- The autocorrelator: The software treats the autocorrelator
as one unit although physically it consists of two identical machines.
The following numbers are to be understood for the complete autocorrelator
Available resolutions are 10,
20, 40, 80, 320 and 1250 kHz. The bandwidth is between 20 MHz and
MHz, depending on resolution. The correlator can be split into 8
independent subbands, each of which can be configured individually and
connected to the same or different receivers. For the larger
bandwidths (i.e. more than one subband of 80 MHz) a problem of
platforming may exist (i.e. baselines from the different subbands have
slightly different levels).
Fri Jul 7 18:58:08 METDST 1995