Design of active N-path filters

M Darvishi, R van der Zee… - IEEE journal of solid-state …, 2013 - ieeexplore.ieee.org
A design methodology for synthesis of active N-path bandpass filters is introduced. Based
on this methodology, a 0.1-to-1.2 GHz tunable 6th-order N-path channel-select filter in 65 …

Widely Tunable 4th Order Switched G-C Band-Pass Filter Based on N-Path Filters

M Darvishi, R van der Zee… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
A widely tunable 4th order BPF based on the subtraction of two 2nd order 4-path passive-
mixer filters with slightly different center frequencies is proposed. The center frequency of …

A 0.4–6-GHz 17-dBm B1dB 36-dBm IIP3 channel-selecting low-noise amplifier for SAW-less 3G/4G FDD diversity receivers

C Luo, PS Gudem, JF Buckwalter - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A channel-selecting low-noise amplifier (CS-LNA) with blocker filtering is presented for a
SAW-less diversity path receiver (RX) in frequency-division duplexing cellular systems. A …

A Third-Order Quasi-Elliptic N-Path Filter With Enhanced Linearity Through Clock Boosting

A Nagulu, Y Zhuang, M Yuan… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
N-path filters show promise to realize tunable, high-quality on-chip filters. However, N-path
filters remain restricted to sub-2 GHz operation, low frequency selectivity, and dBm power …

A Review of On-Chip Adjustable RF Bandpass Filters: Adjustable On-Chip Filters

M Qin, Z Li, P Liu, L Liao, Z Li… - IEEE Microwave …, 2023 - ieeexplore.ieee.org
Nowadays, with the increasing performance requirements of wireless applications, the RF
front end needs enough dynamic range to work properly in multiband. The traditional …

A 0.1-to-1.2 GHz tunable 6th-order N-path channel-select filter with 0.6 dB passband ripple and+ 7dBm blocker tolerance

M Darvishi, R van der Zee… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Radio receivers should be robust to large out-of-band blockers with small degradation in
their sensitivity. N-path mixers can be used as mixer-first receivers [1] with good linearity and …

Analysis of the signal transfer and folding in N-path filters with a series inductance

L Duipmans, RE Struiksma… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
N-path filters exploiting switched-series-RC networks can realize high-Q blocking-tolerant
band-pass filters. Moreover, their center frequency is flexibly programmable by a digital …

A 40 nm CMOS derivative-free IF active-RC BPF with programmable bandwidth and center frequency achieving over 30 dBm IIP3

B Wu, Y Chiu - IEEE Journal of Solid-State Circuits, 2015 - ieeexplore.ieee.org
An 8th-order Cheybshev-II ladder active-RC BPF was fabricated in a 40 nm CMOS low-
leakage digital process. A new technique to design for zero capacitance spread (ZCS) is …

Active feedback technique for RF channel selection in front-end receivers

S Youssef, R van der Zee… - IEEE journal of solid-state …, 2012 - ieeexplore.ieee.org
Co-existence problems in a mobile terminal environment pose strict requirements on the
linearity of a front-end receiver. In this paper, active feedback is explored as a means to …

A 1-to-5GHz All-Passive Frequency-Translational 4th-Order N-path Filter with Low-Power Clock Boosting for High Linearity and Relaxed -Frequency Trade-Off

A Nagulu, M Yi, Y Zhuang, S Garikapati… - … Solid-State Circuits …, 2023 - ieeexplore.ieee.org
N-path filters have re-emerged as a promising solution to realize highly linear, highly
compact, high-Q, tunable on-chip filters. However, N-path filters are restricted to low-GHz …