GX1501……DTMB+DVB-C
(China Standard Terrestrial/Cable demodulator)

Product description：
GX1501 is a 2-standard compliant triple-mode channel demodulating and decoding IC, which is the first IC in China that supports both DTMB GB20600-2006 and DVB-C(ITU-T J.83A/C) . GX1501 supports all 330 options defined in GB20600-2006 and has excellent performance on mobile receiving and environment adaptation. With patented equalization technique, GX1501 is also an excellent demodulator chip for DVB-C, especially in complicate cable network environment. In conclusion, GX1501 is a great choice for manufacturers of digital TV STB, Tuner, and receiver card.
Features：
· Support Chinese Digital Terrestrial Multimedia Broadcasting Standard- GB20600-2006
· Support DVB-C (ITU-T J.83 A/C) standard
· Integrated High performance dual-path 10-bit ADC, support IF or baseband I, Q
· Support serial or parallel MPEG2 TS interface, TS pin order fully programmable when in parallel mode
· Fully programmable RF & IF dual-AGC
· Ultra-wide carrier frequency recovery range, more than ±400kHz
- Ultra-wide sampling frequency offset recovery range , more than ±220ppm,?
· Package: 128LQFP
GB20600-2006
· Support all 330 options of single & multi carrier modulation
· Outstanding mobile receiving performance
· Superior multi-path combating performance, especially when echo delay is larger than guard interval, support Single Frequency Network
· Excellent co-channel analog TV and Single frequency interference suppression performance
· Excellent environment self-accommodation ability
DVB-C
· Support 256, 128, 64, 32 and 16 QAM? Demodulation with automatic mode recognition
· Large Symbol Rate adaption range: 0.45 ~ 8.5 MBauds with blind symbol rate scan
· Patented equalization technique, particularly suitable for complicated cable network environment　
Application field：
· China standard digital terrestrial set-top box, tuner and television, USB dongle
· Digital terrestrial and cable set-top box, tuner, receiver and television
Solution：

PCB：