A 4-path 4th order BPF dedicated to SAW less receivers
سال انتشار: 1396
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 792
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شناسه ملی سند علمی:
COMCONF05_628
تاریخ نمایه سازی: 21 اردیبهشت 1397
چکیده مقاله:
A tunable 4-path 4th order BPF which is based on the structure of the N-path filter is proposed in CMOS 65nm technology. The center frequency of each 4-path is slightly shifted relative to it’s clock frequency by a gm-c technique.The filter has a constant -3dB bandwidth of 21MHz and can be tuned from 0.4GHz up to 1.3GHz.The ultimate rejection of the filter is> 65 dB .The NF and in-band IIP3 of the filter are 8.5 dB and +11dBm respectively. The static power consumption is 7.3mW over the tuning band and the dynamic power consumption varies from 5.5mW to 14.7mW.
کلیدواژه ها:
Bandpass filters(BPF) ، N-path filters ، shifting the center frequency ، gm-c technique ، complex baseband impedance
نویسندگان
Nima Souzandeh
Department of Electrical Engineering,Sahand University of Technology,Tabriz,Iran
Esmaeil Najafi Aghdam
Department of Electrical Engineering,Sahand University of Technology,Tabriz,Iran
Firoz Hemmati
Department of Electrical Engineering,Sahand University of Technology,Tabriz,Iran