Abstract
A new universal voltage-mode second-order filter circuit is presented. The circuit uses three current-feedback operational amplifiers, three grounded capacitors and three resistors. The circuit has three inputs and three low-impedance outputs and can realize all the standard filter functions, lowpass, highpass, bandpass, notch and allpass, without changing the circuit topology. The proposed circuit enjoys independent grounded-resistance control of the parameters ω(o) and ω(o)/Q(o), as well as low active and passive sensitivities.
| Original language | English |
|---|---|
| Pages (from-to) | 205-209 |
| Number of pages | 5 |
| Journal | Proceedings of the National Science Council, Republic of China, Part A: Physical Science and Engineering |
| Volume | 24 |
| Issue number | 3 |
| State | Published - 2000 |
Keywords
- Active filters
- Current feedback operational amplifier
ASJC Scopus subject areas
- General Engineering
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