Impedance transformation and filter using bulk acoustic wave technology
WY Ali-Ahmad, H Dropmann, C Stuebing - US Patent 7,586,389, 2009 - Google Patents
The present invention provides an apparatus and method for providing an integrated
impedance transformation and filtering functionality within a BAW resonator network that …
impedance transformation and filtering functionality within a BAW resonator network that …
Harmonic termination of power amplifiers using BAW filter output matching circuits
C Stuebing, GG Sundberg, WY Ali-Ahmad… - US Patent …, 2010 - Google Patents
(57) ABSTRACT A system, apparatus and method for providing filtering func tionality and
impedance transformation within a BAW reso nator network are disclosed. In particular, a …
impedance transformation within a BAW reso nator network are disclosed. In particular, a …
Harmonic termination of power amplifiers using BAW filter output matching circuits
C Stuebing, GG Sundberg, WY Ali-Ahmad… - US Patent …, 2009 - Google Patents
(57) ABSTRACT A system, apparatus and method for providing filtering func tionality and
impedance transformation within a BAW reso nator network are disclosed. In particular, a …
impedance transformation within a BAW reso nator network are disclosed. In particular, a …
Quadrature modulation transceiver and parameter estimating method for iq imbalance calibration
SC Yen - US Patent App. 11/672,970, 2007 - Google Patents
A quadrature modulation transceiver is capable of receiving an in-phase component and a
quadrature-phase component corresponding to an input signal, and generating a …
quadrature-phase component corresponding to an input signal, and generating a …
Bank of cascadable digital filters, and reception circuit including such a bank of cascaded filters
M Halle - US Patent App. 11/963,696, 2008 - Google Patents
The present invention relates to a bank of digital filters that can be cascade connected. It
also relates to a reception circuit comprising such a bank of cascaded filters. With the digital …
also relates to a reception circuit comprising such a bank of cascaded filters. With the digital …
Arrangements and methods for providing compensation for non-idealities of components in communications systems
B Murmann, Y Oh - US Patent 8,290,031, 2012 - Google Patents
BACKGROUND With the recent shift towards digital information process ing, low power and
high throughput have a certain degree of importance in many modern communication …
high throughput have a certain degree of importance in many modern communication …
Receiver capable of compensating for mismatch of I signal and Q signal and communication system including the same
KM Lee, JY Chung, GB Jeong - US Patent 8,509,292, 2013 - Google Patents
A receiver includes a frequency converter configured to generate a I signal and a Q signal
from each band of a multiband signal and a mismatch compensator configured to estimate a …
from each band of a multiband signal and a mismatch compensator configured to estimate a …