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STA400A

Features: FRONT END INTERFACE` TWO INTERNAL 10 BIT A/D CONVERTERS` TWO QPSK DEMODULATORS FOR SATELLITE BRANCH` ONE MULTICARRIER DEMODULATOR FOR TERRESTRIAL BRANCH` SATELLITE SYMBOL FREQUENCY: 1.64 MBAUD` TERRESTRIAL SYMBOL FREQUENCY: 2.99 MBAUD` DIGITAL ROOT RAISED COSINE NYQUIST FILTER: 15% ROLL-...

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SeekIC No. : 004506976 Detail

STA400A: Features: FRONT END INTERFACE` TWO INTERNAL 10 BIT A/D CONVERTERS` TWO QPSK DEMODULATORS FOR SATELLITE BRANCH` ONE MULTICARRIER DEMODULATOR FOR TERRESTRIAL BRANCH` SATELLITE SYMBOL FREQUENCY: 1.64 M...

STA400A Data Sheet

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Part Number:
STA400A
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/23

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Product Details

Description



Features:

FRONT END INTERFACE
 `  TWO INTERNAL 10 BIT A/D CONVERTERS
 `  TWO QPSK DEMODULATORS FOR SATELLITE BRANCH
 `  ONE MULTICARRIER DEMODULATOR FOR TERRESTRIAL BRANCH
 `  SATELLITE SYMBOL FREQUENCY: 1.64 MBAUD
 `  TERRESTRIAL SYMBOL FREQUENCY: 2.99 MBAUD
 `  DIGITAL ROOT RAISED COSINE NYQUIST FILTER: 15% ROLL-OFF
 `  FFT LENGTH: 768 SUB-CARRIERS
 `  FULL DIGITAL CARRIER AND FREQUENCY RECOVERY AND TRACKING LOOPS
 `  FREQUENCY INVERSION COMPENSATION FOR HIGH-SIDE/LOW-SIDE MIXER INJECTION
 `  LOCK DETECTORS, C/N INDICATOR, ON CHIP BER ESTIMATORS
 `  TWO DIGITAL AGCs: INTERNAL SIGNAL POWER ESTIMATION AND FILTERING
 `  1 BIT PDM AGCs CONTROL SIGNAL OUTPUTS
TDM DECODING AND MANAGEMENT
 `  SATELLITE AND TERRESTRIAL FRAME SYNCHRONIZATION
 `  SATELLITE PHASE AMBIGUITY RESOLUTION
 `  TDM DEMULTIPLEXING
 `  PRIME RATE CHANNEL (PRC)
    DEMULTIPLEXING
 `  EXTERNAL MEMORY CONTROLLING
FORWARD ERROR CORRECTION
 `  VITERBI DECODER: K=7, R=1/3
 `  SATELLITE DEPUNCTURING: RATE 3/4
 `  TERRESTRIAL DEPUNCTURING: RATE 3/5
 `  CONVOLUTIONAL TIME DEINTERLEAVER OVER 4.7 SEC
 `  BLOCK DEINTERLEAVER OVER 2 RS BLOCKS
 `  REED-SOLOMON DECODER: (255,223). UP TO 16 BYTES CORRECTION CAPABILITY.
 `  ENERGY DISPERSAL DESCRAMBLER
 `  SAT-SAT AND TERR-SAT DIVERSITY COMBINING
BACK END INTERFACE
 `  TWO PAYLOAD CHANNEL BITSTREAM INTERFACES
 `  PAYLOAD CHANNEL SELECTION LOGIC
 `  DESIGNED TO WORK WITH THE STA450A SERVICE AND SOURCE DECODER
LOW POWER TECHNOLOGY
 `  1.8V, 0.18m TECHNOLOGY
 `  3.3V CAPABLE I/Os CONTROL
 `  IIC-BUS SLAVE CONTROL INTERFACE
 `  DEVICE ADDRESS: 1101010


Pinout

Connection Diagram


Specifications

Symbol Parameter
Value
Unit
VDD, AVDD 1.8V Power supply Voltage
-0.5 to 2.5
V
VDD3 3.3V Power Supply Voltage
-0.5 to 4
V
Vi Voltage on input pin
-0.5 to (Vdd3 + 0.5)
V
VO Voltage on output pin
-0.5 to (Vdd3 + 0.5)
V
Via Voltage on analog input pin
-0.8 to (AVdd + 0.8)
V
VOa Voltage on analog output pin
-0.8 to (AVdd + 0.8)
V
Tstg Storage Temperature

-50 to 150
Toper Operative ambient temperature
-40 to +85
Tj Operating Junction Temperature
-40 to +125



Description

The STA400A is a satellite transmission system based on two geostationary satellites on the East and West coasts of the Continental United States (CONUS). In the urban areas, where the line of sight reception of the satellites is difficult or not possible, the service is covered by terrestrial repeaters adopting a MultiCarrier Modulation scheme.

Designed for digital radio receivers compatible with the XMRadio SDARS System, the STA400A Channel Decoder integrates all the functions to demodu- late and decode the incoming satellite and terrestrial signals after the RF Front-End down-convertions: Analogto- Digital conversions, satellite and terrestrial demodulations, AGCs, frame synchronization and demultiplexing, Viterbi decoding, time and spatial diversity combining, Reed-Solomon decoding and deinterleaving, Prime Rate Channel (PRC) demultiplexing, Payload Channel (PC) selection.

At the end of the demodulation and decoding processes a configurable serial data stream is made available to STA400A, the Service/Source Decoder, via the PC BitStream interface.




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