TELE-audiovision - The World’s Largest Digital TV Trade Magazine - page 94

TELE-audiovision International — The World‘s Largest Digital TV Trade Magazine
— 09-10/2013
degraded after passing the
multiswitch. But no. On the
average, the MER went down
just 0.21 dB – this is almost
nothing. So the signal re-
peated on the trunk outputs
of the multiswitch is only
marginally worse than the
original one available at the
output of our test Quad LNB.
Once we were through with
the conventional satellite sig-
nals it was time to check out
the SCR signals. Initially we
examined the 1x8 signal on
Output no. 2. Figure 2 shows
the spectrum. It is very clean
– no spurious signals are de-
Fig. 2. Spectrum of Output 2 in 1x8 Mode.
Fig. 4. Spectrum of Output 2 n 3x3 Mode.
Fig. 3. Spectrum of Output 1 n 3x3 Mode.
Fig. 5. Spectrum of Output 3 n 3x3 Mode.
Fig. 6. Spectrum of SUS 5581 F output.
Graph 4.
Graph 3.
1...,84,85,86,87,88,89,90,91,92,93 95,96,97,98,99,100,101,102,103,104,...260
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