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TDA8822 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Universal I2C-bus programmable RF modulator - NXP

भाग संख्या TDA8822
समारोह Universal I2C-bus programmable RF modulator
मैन्युफैक्चरर्स NXP 
लोगो NXP लोगो 
पूर्व दर्शन
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<?=TDA8822?> डेटा पत्रक पीडीएफ

TDA8822 pdf
Philips Semiconductors
Universal I2C-bus programmable RF
modulator
Preliminary specification
TDA8822
FEATURES
5 V power supply
Video amplifier with clamp and white clip circuits
Programmable video modulation depth
FM sound modulator (4.5, 5.5, 6.0 and 6.5 MHz)
Programmable picture-to-sound ratio
Programmable deviation of the sound subcarrier
Input for modulated NICAM sound subcarrier or second
frequency modulated sound subcarrier
Asymmetrical or symmetrical RF output buffer
Symmetrical RF oscillator for UHF or VHF band
according to the application
One I2C-bus programmable output port
On-chip Phase-Locked Loop (PLL) frequency
synthesizer for the RF carrier
On-chip PLL frequency synthesizer for the sound carrier
On-chip power supply regulator
On-chip I2C-bus and/or hardware controlled Test
Pattern Signal Generator (TPSG) with LED driver
RF output switch-off during tuning.
APPLICATIONS
Video recorders
Cable converters
Satellite receivers
Set top boxes.
GENERAL DESCRIPTION
The TDA8822 is a programmable modulator which
generates an RF TV channel from a baseband video
signal and a baseband audio signal in the event of
negative video and FM sound standards (B/G, I, D/K, M
and N standards).
Two PLL frequency-synthesizers set the picture carrier
frequency and the sound subcarrier frequency to the
required frequencies. These PLL frequency-synthesizers
are programmed via the I2C-bus.
The I2C-bus controls these features:
Video modulation depth
Sound subcarrier modulation deviation
Picture-to-sound ratio.
This makes the IC suitable for multistandard applications
without any adjustment into the application.
Additional features are provided like an input for the
NICAM or second FM carrier, a test pattern signal
generator with a LED driver and a general purpose
output port.
ORDERING INFORMATION
TYPE
NUMBER
TDA8822T
TDA8822M
PACKAGE
NAME
DESCRIPTION
SO24 plastic small outline package; 24 leads; body width 7.5 mm
SSOP24 plastic shrink small outline package; 24 leads; body width 5.3 mm
VERSION
SOT137-1
SOT340-1
1997 Jan 08
2

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डाउनलोड[ TDA8822 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
TDA8822Universal I2C-bus programmable RF modulatorNXP
NXP


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