Patent ID: 7233778
Filing Date: 2007-06-19
Classification: H04N

Abstract:
1. An apparatus for converting a signal from a first analog format to a second analog format, comprising: an input port configured to receive the signal, the signal having the first analog format; a first converter coupled to said input port and configured to convert the signal to a first digital format; filters coupled to said first converter and configured to isolate a first channel of the signal from a second channel of the signal, wherein said first channel is centered at a first frequency, said second channel is centered at a second frequency, and said first frequency is different from said second frequency; first mixers coupled to said filters and configured to expand a bandwidth of said first channel and a bandwidth of said second channel to a second digital format; second converters coupled to said first mixers and configured to convert said first channel and said second channel to the second analog format; and an output port coupled to said second converters and configured to produce the signal having the second analog format.