TDA9810T Просмотр технического описания (PDF) - Philips Electronics
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TDA9810T Datasheet PDF : 32 Pages
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Philips Semiconductors
Multistandard VIF-PLL with QSS-IF and
AM demodulator
Product specification
TDA9810
FEATURES
• 5 V supply voltage
• Gain controlled wide band Video Intermediate
Frequency (VIF)-amplifier (AC-coupled)
• True synchronous demodulation with active carrier
regeneration (very linear demodulation, good
intermodulation figures, reduced harmonics, excellent
pulse response)
• Gated phase detector for L/L accent standard;
robustness for over-modulation until 105%
• Voltage Controlled Oscillator (VCO) frequency
switchable between L and L accent (alignment external)
picture carrier frequency
• Separate video amplifier for sound trap buffering with
high video bandwidth
• VIF Automatic Gain Control (AGC) detector for gain
control, operating as peak sync detector for B/G
(optional external AGC) and peak white detector for L;
signal controlled reaction time for L
• Tuner AGC with adjustable TakeOver Point (TOP)
• AFC detector without extra reference circuit
• SIF-input for single reference Quasi Split Sound (QSS)
mode (Phase Locked Loop (PLL) controlled); Sound
Intermediate Frequency (SIF) AGC detector for gain
controlled SIF amplifier; single reference QSS mixer
able to operate in high performance single reference
QSS mode
• AM demodulator without extra reference circuit
• AM mute (especially for NICAM)
• Stabilizer circuit for ripple rejection and to achieve
constant output signals.
GENERAL DESCRIPTION
The TDA9810 is an integrated circuit for multistandard
vision IF signal processing and sound AM demodulation,
with single reference QSS-IF in TV and VCR sets.
ORDERING INFORMATION
TYPE NUMBER
TDA9810
TDA9810T
NAME
SDIP24
SO24
PACKAGE
DESCRIPTION
plastic shrink dual in-line package; 24 leads (400 mil)
plastic small outline package; 24 leads; body width 7.5 mm
VERSION
SOT234-1
SOT137-1
1999 May 07
2
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