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UAA2080T Datasheet(Fiches technique) 2 Page - NXP Semiconductors

Numéro de pièce UAA2080T
Description  Advanced pager receiver
Télécharger  44 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo 

 
 2 page
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1996 Jan 15
2
Philips Semiconductors
Product specification
Advanced pager receiver
UAA2080
FEATURES
• Wide frequency range: VHF, UHF and 900 MHz bands
• High sensitivity
• High dynamic range
• Electronically adjustable filters on chip
• Suitable for data rates up to 2400 bits/s
• Wide frequency offset and deviation range
• Fully POCSAG compatible FSK receiver
• Power on/off mode selectable by the chip enable input
• Low supply voltage; low power consumption
• High integration level
• Interfaces directly to the PCA5000A, PCF5001 and
PCD5003 POCSAG decoders.
APPLICATIONS
• Wide area paging
• On-site paging
• Telemetry
• RF security systems
• Low bit-rate wireless data links.
GENERAL DESCRIPTION
The UAA2080 is a high-performance low-power radio
receiver circuit primarily intended for VHF, UHF and
900 MHz pager receivers for wide area digital paging
systems, employing direct FM non-return-to-zero (NRZ)
frequency shift keying (FSK).
The receiver design is based on the direct conversion
principle where the input signal is mixed directly down to
the baseband by a local oscillator on the signal frequency.
Two complete signal paths with signals of 90
° phase
difference are required to demodulate the signal.
All channel selectivity is provided by the built-in IF filters.
The circuit makes extensive use of on-chip capacitors to
minimize the number of external components.
The UAA2080 was designed to operate together with the
PCA5000A, PCF5001 or PCD5003 POCSAG decoders,
which contain a digital input filter for optimum call success
rate.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UAA2080H
LQFP32
plastic low profile quad flat package; 32 leads; body 7
× 7 × 1.4 mm
SOT358-1
UAA2080T
SO28
plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1
UAA2080U
28 pads
naked die; see Fig.9




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