tunable on-chip band-pass filter

A differential 4-path highly linear widely tunable on-chip band-pass filter
FREE-DOWNLOAD [PDF] A Ghaffari, EAM Klumperink… – … Symposium (RFIC), 2010 …,
Abstract — A passive switched capacitor RF bandpass filter with clock controlled center frequency
is realized in 65nm CMOS. An off-chip transformer which acts as a balun, improves filter-Q and
realizes impedance matching. The differential architecture reduces clock-leakage and