TDA9806 Просмотр технического описания (PDF) - Philips Electronics

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TDA9806

Multistandard VIF-PLL and FM-PLL demodulator

Philips Electronics 

Philips Semiconductors

Multistandard VIF-PLL and

FM-PLL demodulator

Preliminary specification

TDA9806

FEATURES

• 5 V supply voltage

• Gain controlled wide band VIF-amplifier (AC-coupled)

• True synchronous demodulation with active carrier

regeneration (very linear demodulation,

good intermodulation figures, reduced harmonics,

excellent pulse response)

• Separate video amplifier for sound trap buffering with

high video bandwidth

• VIF AGC detector for gain control, operating as peak

sync detector for B/G

• Tuner AGC with adjustable takeover point (TOP)

• AFC detector without extra reference circuit

• AC-coupled limiter amplifier for sound intercarrier signal

• Alignment-free FM-PLL demodulator with high linearity,

switchable de-emphasis for FM

• Stabilizer circuit for ripple rejection and to achieve

constant output signals.

GENERAL DESCRIPTION

The TDA9806 is an integrated circuit for multistandard

vision IF signal processing and FM sound demodulation in

TV and VCR sets.

ORDERING INFORMATION

TYPE NUMBER

TDA9806

NAME

SDIP32

PACKAGE

DESCRIPTION

plastic shrink dual in-line package; 32 leads (400 mil)

VERSION

SOT232-1

1995 Sep 05

2

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