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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...

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SeekIC No. : 004535205 Detail

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 frequen...

UAA2080 Data Sheet

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Part Number:
UAA2080
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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.


Application

· Wide area paging
· On-site paging
· Telemetry
· RF security systems
· Low bit-rate wireless data links.


Pinout

Connection Diagram


Specifications

Ground pins GND1, GND2 and GND3 connected together.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VP
 digital supply voltage
-0.3
+8.0
V
Ves

electrostatic handling (note 1)
pins VI1RF and VI2RF
pin RRFA
pins VO1RF and VO2RF
pins VP and OSB
pins OSC and OSE
other pins
-1500
-500
-2000
-500
-2000
-2000
+2000
+2000
+250
+500
+500
+2000
V
V
V
V
V
V
Tstg
 storage temperature
-55
+80
°C
Tamb
 ambient ambient temperature
-10
+150
°C
Note
1. Equivalent to discharging a 100 pF capacitor via a 1.5 k resistor.


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 UAA2080 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 UAA2080 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.




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