參數(shù)資料
型號(hào): 935260827112
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP32
封裝: 0.400 INCH, PLASTIC, SOT-232, SDIP-32
文件頁數(shù): 31/38頁
文件大?。?/td> 300K
代理商: 935260827112
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TDA9811
Information as of 2000-08-22
TDA9811; Multistandard VIF-PLL with QSS-IF and AM demodulator
The TDA9811 is an integrated circuit for multistandard vision IF signal processing and sound AM, with single reference QSS-IF in TV and
VCR sets.
l
5 V supply voltage
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Two switched VIF inputs, gain controlled wide band VIF-amplifier (AC-coupled)
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True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermodulation figures, reduced
harmonics, excellent pulse response)
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Robustness for over-modulation better than 105% due to gated phase detector at L/L accent standard
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VCO frequency switchable between L and L accent (alignment external) picture carrier frequency
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Separate video amplifier for sound trap buffering with high video bandwidth
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VIF-AGC detector for gain control, operating as peak sync detector for B/G and peak white detector for L (optional external AGC);
signal controlled reaction time for L
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Tuner AGC with adjustable takeover point (TOP)
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AFC detector without extra reference circuit
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SIF input for single reference QSS mode (PLL controlled); SIF AGC detector for gain controlled SIF amplifier; single reference QSS
mixer able to operate in high performance single reference QSS mode
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AM demodulator without extra reference circuit
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AM mute (especially for NICAM)
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Stabilizer circuit for ripple rejection and to achieve constant output signals
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ESD protection for all pins.
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