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产品名称

GCR-K303

DVB-C/MPEG-2

发布时间 2017-08-21
点击次数 64
GCR-K303
产品名称:

GCR-K303

上市日期: 2017-08-21

Main Feature

•  Full compliance with DVB-C digital TV reception standards

•  Fully compliant with MPEG-2 and AVS standards

•  This chip uses a single CPU, clocked at up to 300MHz

•  Support various mainstream CAS condition receiving system

•  Support PC serial port upgrade and stream upgrade online

•  NIT table automatic search function and manual search function

•  Support standard EPG function

• Support standPAL / NTSC auto / coercionard EPG function

Product Manual

8-ChMPEG-2/H.264标清编码器

Model:GCR-K303

Type:DVB-C/MPEG-2


Pictures

8-ChMPEG-2/H.264标清编码器

Front Panel

DVB-C/MPEG-2

Plastic shell length * width * height:260*43*20.5

DVB-C/MPEG-2

Rear Panel

Technical specifications

8-ChMPEG-2/H.264标清编码器

The main chip and memory:

Microprocessor Model: Country core GX3001Q

CPU work frequency: 300MHz

FIash menmory: 2M 4M 8MByte

SDRAM: 16Mbyte SDRAM 32M64Mbyte DDR


Power:

Input power: AC100 ~ 240V, 50 ~ 60Hz

Machine power consumption:<15W

Standby power consumption: ≤ 1W


Front panel structure:

Indicators: 2 (power light: red; lock light: green)

Function keys: 7 (channel up / down, sound up / down, menu, confirm, exit)

IC CARD Reader: ISO7816


Rear panel structure: 

RF signal input: 1, F-type (English) (with RF loop output)

RF loop-through output interface: 1, F-type (British), RF loop out

Composite video output: a group RCA type, 75Ω

Left / Right / Stereo Outlets: 1 RCA, 600Ω unbalanced

Software upgrade serial port: 1, RS232 type: pin


Tuner:

Tuner: DVB-C (onboard program)

Receiver operating frequency range: 51-860MHz

Input signal level: 36dBuV ~ 90dBuV (64QAM); 40-80dBuV (256QAM)

Input impedance: 75 ohms

Frequency capture range: ± 300KHz

Input reflection loss:> 8dB

LO leakage:<43dBuv

Support symbol rate range: 3.6-6.952MS / s

C / N Threshold: ≤25dB (64QAM)

≤32dB(256QAM)


Demodulation:

Demodulation mode: DVB-C

Demodulation method: 16QAM / 32QAM / 64QAM / 128QAM / 256QAM

IF bandwidth: 8MHz


Video Decoding:

Decoding method: (ISO / IEC13818-2) MPEG-2 MP @ ML

Video output format: PAL / NTSC automatic;

Single video compression bit rate: 2-15Mbps (continuously adjustable)

Image resolution: 720x576 (maximum; with the end of the signal adjustable)


Audio Decoding:

Audio decoding: MPEG-1 (layer1,2)

Audio work: mono, two-channel, stereo

Audio sampling frequency: 32 KHz, 44.1 KHz, 48 KHz


Channel Decoding:

Coding method: RS code(204,188,T=8)


PAL-D Video Output:

Video output amplitude: 700 + 30mvp-p;

Video synchronization amplitude: 300 +20 mvp-p; 


Audio Output:

Audio output level: 0 +6 dBu;

Audio left and right channel level difference:<0.5dB (20Hz-20KH z); 

Volume adjustment: 100 orders; 


Stability:Mean time between failures (MTBF) of more than 15,000 hours  

Reliability:using SJ / T11219-20005.10 test program

Electromagnetic radiation interference value:<1x10 W

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