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:: Volume 14, Issue 4 (JIAEEE Vol.14 No.4 2018) ::
Journal of Iranian Association of Electrical and Electronics Engineers 2018, 14(4): 15-21 Back to browse issues page
Design and Simulation of a Clamped-Clamped Micromechanical Beam AM Frequency Mixer-Filter
Atefeh Gholipour , Khalil Mafinezhad
Abstract:   (255 Views)

In the last decade Micromechanical components for communication applications has been fabricated via IC-compatible MEMS technologies. In fact, its most important impact is not at the component level, but rather at the system level, by offering alternative transceiver architectures that reduce power consumption and enhance performance. In this paper a mixer-filter for AM frequency receiver with MEMS based on one clamped-clamped beam resonator is presented. Mixing and filtering functions are achieved by one component. By combining mixer and filter in one component, in addition to size reduction for portable communication devices, power consumption is also reduced. Mixer-filter can down-convert the RF frequency of 1.655MHz to IF frequency of 455 kHz with a bandwidth of 8 kHz by local oscillator frequency of 2.11 MHz. This technique can be used for much higher RF frequencies. The unloaded Q of this device is 7714 and it could be used as narrow band filter, this design has high linearity too with IIP3 13.6dBm. Above all, by integrating this mixer filter with the rest of the circuit it is more economical than other conventional receivers.

Keywords: Micromechanical MEMS, resonator, quality factor, IC compatible fabrication, mechanical coupling, Clamped-Clamped beam
Full-Text [PDF 412 kb]   (111 Downloads)    
Type of Article: Research | Subject: Electronic
Received: 2017/11/28 | Accepted: 2017/11/28 | Published: 2017/11/28
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Gholipour A, Mafinezhad K. Design and Simulation of a Clamped-Clamped Micromechanical Beam AM Frequency Mixer-Filter. Journal of Iranian Association of Electrical and Electronics Engineers. 2018; 14 (4) :15-21
URL: http://jiaeee.com/article-1-457-en.html


Volume 14, Issue 4 (JIAEEE Vol.14 No.4 2018) Back to browse issues page
نشریه مهندسی برق و الکترونیک ایران Journal of Iranian Association of Electrical and Electronics Engineers
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