Loewe Q2500B Serviceanleitung Seite 181

Technology of Q 2500 colour TV set
Parameter
Chip
AGC
AFC
Forward Error Correction (FEC)
1. FEC stage
- Constraint length
- Rate
- Other code rates
- Rate selection
2. De-interleaver
- Synchronous word extraction
- Convolutional interleaver
- Depth
3. Reed Solomon Decoder
- Number of parity bytes
- Block length
- Correctable byte error
- Energy dispersal de-scrambler
Other
- Carrier current output
- Used mode for output
- Control
- On Chip Error Monitoring
Document Q 2500
Value/algorithm
STV0299B
AGC analogue/digital tuner with
PWM output.
Internal digital AGC on power
optimisation within the signal
bandwidth.
digital software AFC
Viterbi decoder
7
½
½, 2/3, ¾, 5/6, 7/8
Automatic or manual
12
12
204
8
Parallel or serial
Serial
IIC bus
58
Notes
Manufacturer: ST Microelec-
tronics
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