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參數(shù)資料
| 型號(hào)： | 935260966005 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 尋呼電路 |
| 英文描述： | TELECOM, PAGING RECEIVER, UUC28 |
| 封裝： | DIE-28 |
| 文件頁數(shù)： | 12/43頁 |
| 文件大?。?/td> | 525K |
| 代理商： | 935260966005 |
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1996 Jan 15
2
Philips Semiconductors
Product specication
Advanced pager receiver
UAA2082
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
1-cell battery-low detection circuit
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 UAA2082 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 battery monitoring circuit has an external sense input
and a 1.1 V detection threshold for easy operation in a
single-cell supply concept.
The UAA2082 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
UAA2082H
LQFP32
plastic low prole quad at package; 32 leads; body 7
× 7 × 1.4 mm
SOT358-1
UAA2082U
28 pads
naked die; see Fig.8
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