|8280333||Harmonic rejection mixer unit and method for performing a harmonic rejection mixing|
A harmonic rejection mixer unit is provided which comprises an input (RF), at least one harmonic rejection unit (HRU) with at least two transistor units (T3a, T3b; T4a, T4b) for multiplying an input signal from...
|8224276||Method and arrangement for signal processing in a receiver that can be tuned to different carriers|
A method and circuit for signal processing in a receiver that can be tuned to different carriers, the method determining the energy of the adjacent carriers N+1 and N−1, wherein a carrier N contains a signal of interest and the receiver is tuned to it, from the di...
A controllable-gain circuit (TI, Rt, TS1, . . . , TS4) provides a first and a second pair of complementary gain-controlled signals (Ip1, Ip3; Ip2, Ip4) in response to an input signal (RFI). In each pair, one gain-controlled ...