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TDA5250 Arkusz danych(PDF) 8 Page - Infineon Technologies AG

Numer części TDA5250
Szczegółowy opis  ASK/FSK 868MHz Wireless Transceiver
Download  97 Pages
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Producent  INFINEON [Infineon Technologies AG]
Strona internetowa  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TDA5250 Arkusz danych(HTML) 8 Page - Infineon Technologies AG

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Product Description
2 -
2
TDA 5250 D2
preliminary
Wireless Components
confidential
Specification, July 2002
2.1 Overview
The IC is a low power consumption single chip FSK/ASK Transceiver for the fre-
quency band 868-870 MHz. The IC combines a very high level of integration
and minimum external part count. The device contains a low noise amplifier
(LNA), a double balanced mixer, a fully integrated VCO, a PLL synthesizer, a
crystal oscillator with FSK modulator, a limiter with RSSI generator, an FSK
demodulator, a data filter, a data comparator (slicer), a positive and a negative
data peak detector, a highly efficient power amplifier and a complex digital tim-
ing and control unit with I2C/3-wire microcontroller interface. Additionally there
is a power down feature to save battery power.
The transmit section uses direct ASK modulation by switching the power ampli-
fier, and crystal oscillator detuning for FSK modulation. The necessary detuning
load capacitors are external. The capacitors for fine tuning are integrated. The
receive section is using a novel single-conversion/direct-conversion scheme
that is combining the advantages of both receive topologies. The IF is contained
on the chip, no RF channel filters are necessary as the channel filter is also on
the chip.
The self-polling logic can be used to let the device operate autonomously as a
master for a decoding microcontroller.
2.2 Applications
I Low Bitrate Communication Systems
I Keyless Entry Systems
I Remote Control Systems
I Alarm Systems
I Telemetry Systems
I Electronic Metering
I Home Automation Systems


Podobny numer części - TDA5250

ProducentNumer częściArkusz danychSzczegółowy opis
logo
Infineon Technologies A...
TDA5250D2 INFINEON-TDA5250D2 Datasheet
2Mb / 94P
   ASK/FSK 868MHz Wireless Transceiver
Version 1.7, 2007-02-26
TDA5250D2 INFINEON-TDA5250D2_07 Datasheet
2Mb / 94P
   ASK/FSK 868MHz Wireless Transceiver
Version 1.7, 2007-02-26
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Podobny opis - TDA5250

ProducentNumer częściArkusz danychSzczegółowy opis
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Infineon Technologies A...
TDA5250D2 INFINEON-TDA5250D2_07 Datasheet
2Mb / 94P
   ASK/FSK 868MHz Wireless Transceiver
Version 1.7, 2007-02-26
TDA5252G2 INFINEON-TDA5252G2 Datasheet
2Mb / 86P
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Version 1.1, 2007-02-26
TDA5255E1 INFINEON-TDA5255E1 Datasheet
2Mb / 93P
   ASK/FSK 434MHz Wireless Transceiver
Version 1.1, 2002-11-28
TDA5255E1 INFINEON-TDA5255E1_07 Datasheet
2Mb / 91P
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Version 1.2, 2007-02-26
TDA5251F1 INFINEON-TDA5251F1 Datasheet
2Mb / 88P
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TDA5251F1 INFINEON-TDA5251F1_07 Datasheet
2Mb / 88P
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Version 1.1, 2007-02-26
TDA7255V INFINEON-TDA7255V Datasheet
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Revision 1.1, 2010-11-10
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