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參數資料
| 型號： | tda 6812-5 |
| 廠商： | SIEMENS AG |
| 英文描述： | TV-Stereo Processor(TV 立體聲處理器) |
| 中文描述： | 電視，立體聲處理器（電視立體聲處理器） |
| 文件頁數： | 1/32頁 |
| 文件大小： | 1639K |
| 代理商： | TDA 6812-5 |
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TDA 6812-5 is a complete system for stereo TV-sound, controlled on an
I
2
C Bus. The device is
made up of three functional blocks.
1. Stereo Processing with High Quality
(better than DIN 45500; suitable for NICAM and CD for
G-standard with
I
2
C-controlled crosstalk compensation; selectable gain 0/6 dB
a) Three stereo AF-inputs
b) Random switching of all inputs to all outputs
c) Stereo SCART-interface
d) Stereo loudspeaker signal section with volume precontrol, treble/bass control, enlargement of
quasi-stereo/stereo sound base, separate L/R-volume control, equalizer interface after tone
control
e) Stereo headphones signal section with Ch1/Ch2 and volume control
2. TV-Identification-Signal Decoder
a) Active pilot-tone filter
b) Phase-independent rectifier with very narrow bandwidth for identification-signal decoding
c) Digital integrator for noise rejection
d) Multiplexer for cyclic scanning for stereo or dual-sound identification
e) Externally synchronized PLL for reference-signal generation: synchronization with line sync
pulse or 62.5-kHz clock, integrated crystal oscillator and 4-MHz crystal, or with external
4-MHz timing signal
Type
Ordering Code
Package
TDA 6812-5
Q67000-A5127
P-DIP-40-2
TV-Stereo Processor
Preliminary Data
Bipolar IC
TDA 6812-5
P-DIP-40-2
Features
G
High quality stereo signal processing
G
High S/N ratio
G
I
2
C Bus
G
Clipping detector and clock generator
G
NICAM or AM sound inputs
G
Volume control
G
Universal audio interface for DOLBY, EQUALIZER,
SURROUND SOUND features
G
Multiplex 3-SCART connections
G
Independent headphones
113
06.94
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