TDA18254AHN Overview
The TDA18254AHN is a Silicon Tuner IC designed specifically for high definition multi-tuner cable Set Top Boxes (STB) supporting single streaming and multi-streaming PVR STBs with watch, record, Video-On-Demand (VOD) and in-home video distribution capability. Used in conjunction with the TDA10024HN (digital channel demodulator), the TDA18254AHN covers all worldwide digital cable standards. The TDA18254AHN ensures a...
TDA18254AHN Key Features
- Supports 4 tuner functions specifically aimed for PVR boxes: 1 × low IF output 3 × RF outputs to drive slave tuners
- Integrated wideband gain control
- Extended frequency coverage up to 1002 MHz
- Integrated RF tracking filters for rejection of unwanted signals
- Single 3.3 V power supply
- Low power consumption
- Multistandard cable receptions
- Enhanced RF and IF filters to increase selectivity and adjacent channels filtering
- RF loop-through
- Fully integrated IF selectivity, eliminating the need for external SAW filters