Analog VGA Simplifies Design and Outperforms Competing Gain Control Methods
This article introduces the LTC6412, Linear Technology's first high frequency, analog-controlled variable gain amplifiers (VGAs)—now added to Linear Technology's existing portfolio of digitally controlled VGAs. The design considerations for analog vs digital control are also discussed. This is followed by a brief introduction to the important design and performance features of the LTC6412 along with a discussion of a few application examples.
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