L-band wideband filter in 0.13 &amp;#x00B5;m CMOS with high common-mode rejection

Taslimi, Azadeh; Mouthaan, Koen

doi:10.1109/mwsym.2012.6259718

Cited by 1 publication

(2 citation statements)

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“…Recently, many BPFs are implemented on integrated processes such as integrated passive device (IPD) and CMOS technologies. [3][4][5][6] In CMOS processes, BPFs using inductor-capacitor (LC) resonators, or lumped element topology can reduce the chip area and provide wideband responses. 5,6 Small size and wideband response properties are also found in BPFs implemented on IPD process with better overall performance.…”

Section: Introductionmentioning

confidence: 99%

“…[3][4][5][6] In CMOS processes, BPFs using inductor-capacitor (LC) resonators, or lumped element topology can reduce the chip area and provide wideband responses. 5,6 Small size and wideband response properties are also found in BPFs implemented on IPD process with better overall performance. 3,4 This letter reports the design and experimental verification of an IPD differential BPF based on a resonator type which comprises a parallel LC in series with a capacitor.…”

Section: Introductionmentioning

confidence: 99%

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Low‐loss and highly‐selective differential bandpass filter on integrated passive device process

Pakasiri

Hsu

Wang

2018

Micro & Optical Tech Letters

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This letter presents a low-loss and highly-selective differential bandpass filter (BPF) with high common-mode rejection ratio (CMRR). The presented integrated passive device process provides high quality lumped elements, and therefore a low insertion loss of the BPF can be obtained. The circuit also uses series-shunt resonators for controlling its differential-and common-mode transmission zeros. Moreover, with a proper choice of circuit component values, a high common-mode rejection can be controlled at a specific frequency without alternating properties of the filter. The chip area of the filter is 3.74 mm 2 including all testing pads. Additionally, the differential BPF achieves a 1.5-dB insertion loss and 11-dB return loss with a 73% 3-dB bandwidth at 2.2 GHz. Finally, the peak CMRR at the frequency of interest is up to 50 dB. K E Y W O R D S bandpass filter, common-mode filter, differential-mode signal, integrated passive device (IPD)

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