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R820T Datasheet – QFN 24, Digital TV Silicon Tuner – Rafael

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Part Number: R820T

Function  : High Performance Low Power Advanced Digital TV Silicon Tuner

Package: QFN 24 Type

Manufacturer: Rafael Microelectronics ( www.rafaelmicro.com )

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R820T tv tuner

Description

In heritage from Rafael Micro’s state-of-the-art architecture, the R820T digital silicon tuner achieves the lowest power consumption and the smallest font factor. R820T offers unmatchable RF performance for all digital broadcast television standards including DVB-T, ATSC, DMB-T, ISDB-T,. With innovative AccuTune and TrueRF mechanisms, R820T provides superior performance in sensitivity, linearity, adjacent channel immunity, and image rejection.

Pinout

R820T datasheet pdf

Features

1. Support all digital TV standards: DVB-T, ATSC, DTMB and ISDB-T.

2. Lowest BOM cost WITHOUT external SAW filters, LNA, balun, LDO, and adjustable parts.

3. Low cost Single-In Digital TV Application

R820T Datasheet

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TDA8844 Datasheet – DIP 56Pin, TV Processor – Philips

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Part Number: TDA8844

Description

I2C-bus controlled PAL/NTSC/SECAM TV processors

Manufacturer: Philips Semiconductors

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TDA8844 tv processor

Description

The various versions of the TDA8884, TDA 884X/5X series are I2C-bus controlled single chip TV processors which are intended to be applied in PAL, NTSC, PAL/NTSC and multi-standard television receivers. The N2 version is pin and application compatible with the N1 version, however, a new feature has been added which makes the N2 more attractive. The IF PLL demodulator has been replaced by an alignment-free IF PLL demodulator with internal VCO (no tuned circuit required). The setting of the various frequencies (33.4, 33.9, 38, 38.9, 45,75 and 58.75 MHz) can be made via the I2C-bus.

Pinout

TDA8844 datasheet pinout
Features

1. Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components

2. Alignment-free multi-standard FM sound demodulator (4.5 MHz to 6.5 MHz)

3. Audio switch

4. Flexible source selection with CVBS switch and Y(CVBS)/C input so that a comb filter can be applied

5. Integrated chrominance trap circuit

6. Integrated luminance delay line

 

TDA8844 Datasheet