Patent ID: 7711346
Filing Date: 2010-05-04
Classification: H03D

Abstract:
1. A method of providing a frequency translation circuit comprising: providing a first single sideband mixer having a first input and a first output, wherein a signal provided to said first input is provided to said first output at an increased frequency; providing a second single sideband mixer having a second input and a second output, wherein said second single sideband mixer is coupled to said first single sideband mixer, and wherein a signal provided to said second input is provided to said second output at a decreased frequency, and wherein said first single sideband mixer and said second single sideband mixer are disposed in a common integrated circuit substrate; providing at least one filter having frequency selection characteristics insufficient to independently provide head end quality signal characteristics; and operating said frequency translation circuit to provide video head end quality frequency translation through operation of said first single sideband mixer, said second single sideband mixer, and said at least one filter.