A 55-70GHz two-stage tunable polyphase filter with feedback control for quadrature generation with <2° and <0.32dB phase/amplitude imbalance in 28nm CMOS process.
Tong ZhangMazhareddin TaghivandJacques Christophe RudellPublished in: ESSCIRC (2015)
Keyphrases
- feedback control
- phase information
- monogenic signal
- closed loop
- optimal control
- wavelet domain
- adaptive control
- multiscale
- adaptive filter
- shift invariant
- open loop
- differential geometry
- rotationally invariant
- palmprint
- linear time invariant
- frequency response
- filter bank
- hilbert transform
- autonomous control
- finite impulse response
- control system
- spatial domain
- machine learning
- spread spectrum
- dynamic systems
- steerable filters
- optimal filter