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产品名称

GCR-K201

DVB-C/MPEG-2

发布时间 2017-08-21
点击次数 78
GCR-K201
产品名称:

GCR-K201

上市日期: 2017-08-21

Main Function and Feature

•  Full compliance with DVB-C digital TV reception standards

•  Full compliance with MPEG-2 standard

•  Safety in line with GB / T8898 second-class equipment in the relevant requirements

•  This chip uses high-performance processors, clocked at up to 330MHz

•  NIT table automatic search function and manual search function

• Support for online automatic upgrade of DVB mode

•  The main chip using a new generation Montage HM1521 chip, safe and stable. Support MPEG2 decoding, support domestic mainstream CA, support true standby. High technology, low power consumption.

• Embedded Loader supports remote upgrade, the program can be updated to the latest version, OTA upgrade 100% success rate

Product Manual

8-ChMPEG-2/H.264标清编码器

Model:GCR-K201

Type: DVB-C/MPEG-2


Pictures

8-ChMPEG-2/H.264标清编码器

Front Panel

DVB-C/MPEG-2

Length × width × height: 219×140×38mm

DVB-C/MPEG-2

Rear Panel


Technical specifications

8-ChMPEG-2/H.264标清编码器

Chip Description:

CPU work frequency: 330MHz

FIash menmory: 64M bits

SDRAM:512Mbits DDR1


Power:

Input power: AC 110-240V ~ 50 / 60Hz

Maximum power consumption: 15W  


Interface Description: 

RCA         1 group         YCbCr        1 group                                           

RF IN       1 way            RF LOOP      1 way

DB9F       1 group


Tuner:

Tuner: DVB-C

Receiver operating frequency range: 115-860MHz

Input signal level: 36dBuV ~ 100dBuV

Input impedance: 75 ohms

Frequency capture range: ± 600KHz

Input reflection loss:> 8dB

LO leakage:<43dBuv

Support symbol rate range: 3.6-6.952MS / s

Program Time Base (PCR) jitter adaptation: + 500ns


Demodulation:

Demodulation mode: DVB-C

Demodulation method: 64QAM, 128QAM, 256QAM

IF bandwidth: 6-8MHz


Video Decoding:

Decoding method: MPEG-2

Video output format: PAL / NTSC automatic;

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


Audio Decoding:

Audio decoding: MPEG-1 H and MPEG-2 Layer I, II audio decoding

Audio work: mono, two-channel, stereo

Audio sampling frequency: 32,44.1,48 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±20mvp-p;

Video amplitude frequency characteristics:±0.8dB(0.5MHz~4.8MHz)

                       ±1dB(>4.8MHz~5.0MHz)

                       +0.5~-4db(5.5MHz)

Video signal to noise ratio:≥56dB

K coefficient:≤3

Chroma / brightness gain difference:±5%

Chroma / brightness delay difference:≤30ns 

Nonlinear distortion of brightness:≤5%

Differential Gain Distortion:±8%

Differential phase distortion:±8度

Line synchronization front jitter:≤10dB

 

Audio Output:

Audio frequency response:±2.0dB(20Hz-60Hz)

                                            ±1dB(>60Hz-18KHz)

Audio signal to noise ratio:≥70dB

Total harmonic distortion of audio:≤1%

Audio left and right channel level difference:<0.5dB(60Hz-18KH z) 

Audio left and right channel phase difference:≤5degrees(60Hz-18KH z)

Left and right channel crosstalk suppression ratio: ≥ 60dB

Output level: ≥ 4dBu


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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