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UAA3515A

Features: Single frequency conversion FM receiver` Integrated Low Noise Amplifier (LNA)` Image reject mixer` FM detector (10.7 MHz) with: IF limiter wide band PLL demodulator output amplifier Received Signal Strength Indicator (RSSI) output` Carrier Detector (CD) with programmable threshold` P...

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SeekIC No. : 004535212 Detail

UAA3515A: Features: Single frequency conversion FM receiver` Integrated Low Noise Amplifier (LNA)` Image reject mixer` FM detector (10.7 MHz) with: IF limiter wide band PLL demodulator output amplifier Re...

UAA3515A Data Sheet

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Part Number:
UAA3515A
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:

Single frequency conversion FM receiver
` Integrated Low Noise Amplifier (LNA)
` Image reject mixer
` FM detector (10.7 MHz) with:
   IF limiter
   wide band PLL demodulator
   output amplifier
   Received Signal Strength Indicator (RSSI) output
` Carrier Detector (CD) with programmable threshold
` Programmable data amplifier (slicer) phase.
 Receiver baseband
` Programmable receiver gain
` Expander
` Earpiece amplifier with volume control feature
` Data amplifier.
Synthesizer
` Crystal reference oscillator with integrated tuning capacitor
` Reference frequency divider
` Narrow band receiver PLL including VCO with integrated variable capacitance diodes
` Narrow band transmitter PLL including VCO with integrated variable capacitance diodes
` Integrated VCO circuits designed to function with external inductors etched directly as part of the printed-circuit board (cost-saving feature)
` Programmable clock divider with output buffer to drive the microcontroller.
Transmitter
` Internal buffered Power Amplifier (PA) with programmable gain
` Data transmission summing amplifier.
Transmitter baseband
` Programmable transmitter gain
` Microphone amplifier
` Compressor with Automatic Level Control (ALC) and hard limiter.
Microcontroller interface
` Three-wire serial interface.
Power supplies
` Voltage regulator for internal PLL supplies
` Selectable voltage doubler
` Programmable Low-Battery Detection (LBD)
   (time-multiplexed with RSSI carrier detector).


Application

· Analog cordless telephone sets (900 MHz).


Pinout

Connection Diagram


Specifications

In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VCC
 supply voltage
-0.3
+6.0
V
Tstg
 storage temperature
-55
+125
°C
Tamb
 ambient temperature
-20-30
+80
°C



Description

The UAA3515A is a BiCMOS integrated circuit, UAA3515A performs all functions from antenna to microcontroller in reception and transmission for both base station and handset of a 900 MHz cordless telephone set. In addition,the implemented programming reduces significantly the amount of external components, board space and external adjustments required.




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