Three-input single-output current-mode universal filter using a single FDCCII and grounded passive components

2014 ◽  
Author(s):  
Usa Torteanchai ◽  
Montree Kumngern
Keyword(s):  
Current Mode ◽  
Universal Filter ◽  
Output Current ◽  
Passive Components ◽  
Single Output

MULTI-OUTPUT CURRENT FOLLOWER BASED CURRENT-MODE UNIVERSAL FILTER EMPLOYING ONLY GROUNDED CAPACITORS

2014 ◽  
Vol 23 (09) ◽  
pp. 1450123 ◽  
Author(s):  
HALIL ALPASLAN ◽  
ERKAN YUCE
Keyword(s):  
Output Voltage ◽  
Current Mode ◽  
Passive Component ◽  
Theoretical Knowledge ◽  
Universal Filter ◽  
Output Current ◽  
Matching Conditions ◽  
Current Follower ◽  
Component Matching ◽  
High Output

In this paper, a new two-input three-output second-order universal filter is proposed. Two multi-output voltage controlled current followers (MO-VCCFs) and two capacitors are used in the proposed filter. The proposed filter does not have external passive resistors. It has high output impedances yielding easy cascadability. It has the property of electronic tunability. It does not need any critical passive component matching conditions. Also, it is composed of only grounded capacitors; accordingly, it is suitable for integration. Theoretical knowledge is supported via SPICE simulations.

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