Temperature-Compensated dB-linear Digitally Controlled Variable Gain Amplifier With DC Offset Cancellation

  title={Temperature-Compensated dB-linear Digitally Controlled Variable Gain Amplifier With DC Offset Cancellation},
  author={Thangarasu Bharatha Kumar and Kaixue Ma and Kiat Seng Yeo},
  journal={IEEE Transactions on Microwave Theory and Techniques},
This paper presents a compact digitally controlled variable gain amplifier (DVGA) with capabilities of both temperature compensated linear-in-decibel (dB-linear) gain control and dc offset cancellation (DCOC) without making use of either the feedback or the feed-forward loop. The proposed DVGA design is a three-stage inductorless cascaded amplifier that is integrated with a temperature-compensated dB-linear gain control, a DCOC, an output common mode feedback, a 6-bit digital gain control (with… CONTINUE READING
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