Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Tuner for reception of a broadband radio frequency signal










Image Number 3 for United States Patent #7236760.

A tuner is provided for selecting a channel from a broadband radio frequency input signal containing a plurality of channels, such as a terrestrial broadcast signal. The tuner has an input which supplies the broadband signal to a filter. The output of the filter is connected to a mixer of a single frequency changer, which converts the selected channel to a predetermined non-zero intermediate frequency. The filter is a tracking radio frequency filter which tracks the frequency of the selected channel so as to attenuate the image channel. A controller receives from a demodulator a signal representing reception quality, such as bit error rate, and adjusts the tracking of the filter so as to achieve acceptable reception quality, such as an adequately low bit error rate. Alignment of the filter during manufacture is not, therefore, required.








 
 
  Recently Added Patents
Data modulation for groups of memory cells
Transistor and display device
Turbulence sensor and blade condition sensor system
Picture information coding device and coding method
Sub-LUN input/output profiling for SSD devices
Automated incorporation of expert feedback into a monitoring system
Maize hybrid X08B748
  Randomly Featured Patents
Tool-less size-adjustable in-line skate
Liquid crystal polyester resin composition
Controlled source imbalance apparatus, systems, and methods
Integrated sensing package structure
Method of detecting when a moving compoment attains a final position
Hysteresis circuit
Driver drowsiness detection and verification system and method
High current capacity semiconductor device package and lead frame with large area connection posts and modified outline
Dual mode radio communication unit
Portable skin care implement