Anterwell Technology Ltd.

          Anterwell Technology Ltd.

 

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CXD2820R Circuit Board Chips Original Electronics DBS Audio Signal Processor

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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CXD2820R Circuit Board Chips Original Electronics DBS Audio Signal Processor

China CXD2820R Circuit Board Chips Original Electronics DBS Audio Signal Processor supplier

Large Image :  CXD2820R Circuit Board Chips Original Electronics DBS Audio Signal Processor

Product Details:

Place of Origin: Japan
Brand Name: SY
Certification: Original Factory Pack
Model Number: CXD2820R

Payment & Shipping Terms:

Minimum Order Quantity: 20pcs
Price: Negotiation
Packaging Details: in well pack
Delivery Time: 1 Day
Payment Terms: T/T, Western Union,Paypal
Supply Ability: 2000PCS
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Detailed Product Description
Shipment: DHL, Fedex, TNT, EMS, UPS Main Line:: Ic,module,transistor,diodes,capacitor,resistor Etc
Operating Temperature: –20 To +75 °C Supply Voltage: 4.75 To 5.25 V
Factory Pack: Tray Package: QFP-64
Datecode: 1126 Storage Temp: –55 To +150 °C

 

CXD2820R Circuit Board Chips DBS Audio Signal Processor

 

Description

 

The CXD2820R are audio signal processors designed for DBS applications.

These LSIs perform all digital processing from QPSK demodulation to analog audio output on a single chip.

 

Features

 

QPSK and PCM demodulators and DAC output are configured on a single chip.

Descrambler interface according to the COATEC system and SkyPort system

 

Functions

 

QPSK demodulator

• Carrier, clock and data regeneration

• ALC and VCXO adjustment-free

 

PCM demodulator

• Frame sync protection by correlation detection

• De-interleaving and descrambling

• BCH error correction, range bit error correction

• Audio data range control Expansion from 10 to 14 bits in A mode Upper bit majority correction in B mode • Control sign integration correction, chargeable flag integration correction by master frame synchronization

• Interface output for external DAC

• Digital interface output 1-bit DAC output

• Quadruple oversampling filter

• Digital de-emphasis circuit

• 1-bit stereo

 

DAC with 2nd-order ∆∑ format noise shaper S/N ratio : 90dB (Typ.)

Distortion : 0.011% (Typ.)

 

CPU interface

• I2C bus Descrambler interface

• COATEC system,

 

SkyPort system Mute functions

• Error occurrence frequency detection mute

• Audio chargeable flag detection mute

• Control sign (B7) detection mute

 

Structure

Silicon gate CMOS IC

 

Applications

TVs, VCRs with built-in BS tuners

 

Absolute Maximum Ratings (Ta = 25°C, Vss = 0V)

 

Supply voltage VDD Vss – 0.5 to +7.0 V
Input voltage VI Vss – 0.5 to VDD + 0.5V
Output voltage VO Vss Output voltage VO Vss
Storage temperature Tstg –55 to +150 °C
Supply voltage VDD 4.75 to 5.25 V
Operating temperature –20 to +75 °C

 

 


 

Contact Details
Anterwell Technology Ltd.

Contact Person: Miss. Sharon Yang

Tel: 86-755-61169882

Fax: 86-755-613169859

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