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Chapter 2
Design and Characteristics
2100.4400.32
- 2.12 -
E-3
3.2.2
Input Processing
– All ASI modes (continuous, packet, burst) in line with DIN EN 500083-9
– Input FIFO: 8 k
– Input FIFO: 8 k
± 20 transport packets, burst
– Input switchover, manual and automatic
– Seamless input switchover
– Input monitoring
– MFN with stuffing and PCR correction
– FIFOs as buffers for dynamic delay changes
– MIP evaluation in compliance with TS 101 191 (DVB)
– Seamless input switchover
– Input monitoring
– MFN with stuffing and PCR correction
– FIFOs as buffers for dynamic delay changes
– MIP evaluation in compliance with TS 101 191 (DVB)
3.2.3
Precorrection
– Manual linear precorrection (up to 350 ns group delay, up to 2 dB frequency response)
– Manual nonlinear precorrection
– Nonlinear frequency response
– Limiter function
– Precorrection of amplifier asymmetry
– Manual nonlinear precorrection
– Nonlinear frequency response
– Limiter function
– Precorrection of amplifier asymmetry
3.2.4
Quality Data
SNR ........................................................... > 37 dB, typ. 40 dB
MER ........................................................... > 33 dB, typ. 40 dB
Shoulder attenuation ................................. > 37 dB, typ. 40 dB
Frequency response .................................. < ±0.5 dB
Group delay ................................................ < 10 ns
Carrier suppression .................................... < -50 dBc referenced to transmitter RMS power
Sideband suppression ................................ < -50 dBc referenced to transmitter RMS power
Phase noise
Frequency/carrier offset ............................. dBc/Hz:
10 Hz ......................................................... < -65
100 Hz ....................................................... < -90
1 kHz ......................................................... < -95
10 kHz ....................................................... < -100
100 kHz ..................................................... < -112
1 MHz ........................................................ < -130
Frequency stability ..................................... 10
-7
/ year