Electronically Tunable Current-Mode Universal Filter Employing Only Plus-Type Current-Controlled Conveyors and Grounded Capacitors

2006 ◽  
Vol 25 (6) ◽  
pp. 701-713 ◽  
Author(s):  
Worapong Tangsrirat ◽  
Wanlop Surakampontorn
Keyword(s):  
Current Mode ◽  
Universal Filter ◽  
Electronically Tunable

A new electronically tunable current mode universal filter using MO-CCCII

2008 ◽  
Vol 58 (2) ◽  
pp. 171-178 ◽  
Author(s):  
Neeta Pandey ◽  
Sajal K. Paul ◽  
Shail Bala Jain
Keyword(s):  
Current Mode ◽  
Universal Filter ◽  
Electronically Tunable

scholarly journals Universal Tunable Current-Mode Biquad Employing Distributed Feedback Structure with MO-CCCII

2010 ◽  
Vol 61 (1) ◽  
pp. 52-56 ◽  
Author(s):  
Roman Šotner ◽  
Josef Slezák ◽  
Tomáš Dostál ◽  
Jiří Petržela
Keyword(s):  
Building Block ◽  
Current Mode ◽  
Distributed Feedback ◽  
Universal Filter ◽  
State Variable ◽  
Mode Design ◽  
Electronic Tuning ◽  
Feedback Structure ◽  
Electronically Tunable ◽  
Active Block

Universal Tunable Current-Mode Biquad Employing Distributed Feedback Structure with MO-CCCIIOne possible application of the multiple-output electronically-tunable active building block as a universal filter with distributed feedback structure is presented. The suggested structure is less conventional than the well-known state-variable Kerwin-Huelsman-Newcomb but allows the same filter configurations with the similar properties. The major current-mode design approach disadvantage,ie, the necessity of multiple current outputs, is demonstrated. To date even a rather big line of the commercially available devices do not solve this problem. Some features of the active block used for modelling and transistor-level simulation are briefly discussed. The obvious chance for electronic tuning of the proposed filter is verified.

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