Realization of lowpass and bandpass leapfrog filters using OAs and OTAs
The systematic procedure for realizing lowpass and bandpass leapfrog ladder filters using only active elements is presented. The proposed architecture is composed of only two fundamental active building blocks, i.e., an operational amplifier (OA) and an operational transconductance amplifier (OTA),...
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| creator | Tangsrirat, W. Dumawipata, T. Unhavanich, S. Surakampontorn, W. |
| description | The systematic procedure for realizing lowpass and bandpass leapfrog ladder filters using only active elements is presented. The proposed architecture is composed of only two fundamental active building blocks, i.e., an operational amplifier (OA) and an operational transconductance amplifier (OTA), without external passive element requirement, making the approach conveniently for further integrated circuit implementation with systematic design and dense layout. As illustrations to demonstrate the systematic realization of current-mode ladder filters, a 3rd-order Butterworth low-pass filter and a 6th-order Chebyshev bandpass filter are designed and simulated using PSPICE. |
| format | Conference Proceeding |
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The proposed architecture is composed of only two fundamental active building blocks, i.e., an operational amplifier (OA) and an operational transconductance amplifier (OTA), without external passive element requirement, making the approach conveniently for further integrated circuit implementation with systematic design and dense layout. As illustrations to demonstrate the systematic realization of current-mode ladder filters, a 3rd-order Butterworth low-pass filter and a 6th-order Chebyshev bandpass filter are designed and simulated using PSPICE.</description><identifier>ISBN: 0780383524</identifier><identifier>ISBN: 9780780383524</identifier><language>eng</language><publisher>IEEE</publisher><subject>Active filters ; Band pass filters ; Bandwidth ; Chebyshev approximation ; Frequency ; Integrated circuit layout ; Low pass filters ; Operational amplifiers ; Transconductance ; Voltage</subject><ispartof>SICE 2003 Annual Conference (IEEE Cat. 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No.03TH8734)</btitle><stitle>SICE</stitle><date>2003</date><risdate>2003</risdate><volume>3</volume><spage>2984</spage><epage>2989 Vol.3</epage><pages>2984-2989 Vol.3</pages><isbn>0780383524</isbn><isbn>9780780383524</isbn><abstract>The systematic procedure for realizing lowpass and bandpass leapfrog ladder filters using only active elements is presented. The proposed architecture is composed of only two fundamental active building blocks, i.e., an operational amplifier (OA) and an operational transconductance amplifier (OTA), without external passive element requirement, making the approach conveniently for further integrated circuit implementation with systematic design and dense layout. As illustrations to demonstrate the systematic realization of current-mode ladder filters, a 3rd-order Butterworth low-pass filter and a 6th-order Chebyshev bandpass filter are designed and simulated using PSPICE.</abstract><pub>IEEE</pub></addata></record> |
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| identifier | ISBN: 0780383524 |
| ispartof | SICE 2003 Annual Conference (IEEE Cat. No.03TH8734), 2003, Vol.3, p.2984-2989 Vol.3 |
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| language | eng |
| recordid | cdi_ieee_primary_1323857 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Active filters Band pass filters Bandwidth Chebyshev approximation Frequency Integrated circuit layout Low pass filters Operational amplifiers Transconductance Voltage |
| title | Realization of lowpass and bandpass leapfrog filters using OAs and OTAs |
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