QT1010
The QT1010 is an advanced single-chip broadband tuner integrated circuit for Digital TV applications. The QT1010 is capable of receiving input signals in the VHF-H( 174MHz to 245MHz ), and UHF( 470MHz to 865MHz ) frequency range and converting the selected channel down to an intermediate frequency in the 30MHz to 60MHz range. The IF frequency range supports Digital TV standards DVB-T, DMB-T/H , ADBT-T , ATSC and ISDB-T. The QT1010 integrates all circuitry required to implement total RF functionality, including variable gain low-noise amplifier (LNA), image-rejection mixers, voltage-controlled oscillators (VCOs), frequency synthesizers and IF variable-gain amplifier. It requires minimal number of external components and no manual tuning.
Features
- Wide input frequency range in the VHF-H( 174MHz to 245MHz ), and UHF( 470MHz to 865MHz ).
- IF output frequency ranges from 30MHz to 60MHz. Compatible with DVB-T, DMB-T/H, ADBT-T, ATSC and ISDB-T.
- No manual tuning and external tunable parts required.
- Single 3.3v power supply.
- Both wide-band and in-band automatic gain control inputs that are controlled by demodulators.
- Generic serial interface supports 2-wire or 3-wire operations.
Applications
- PC TV
- Set top box
- Digital Terrestrial TV tuner module
- DTV Embedded system application
