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Design of filtering impedance transformer with high impedance ratio
- Source :
- Electronics Letters. 56:1172-1174
- Publication Year :
- 2020
- Publisher :
- Institution of Engineering and Technology (IET), 2020.
-
Abstract
- A kind of impedance transformer with high impedance ratio based on tapped coupled-resonator filter theory is proposed. Differently with the published ones, the proposed filtering transformer incrementally takes impedance property of the filter into consideration. Thus, the high impedance ratio can be achieved. By proper design of impedance and type of resonator, two prototypes with impedance ratios as high as 400:50 and 800:50 and 3-dB fractional bandwidths of 20.2 and 22.8% are realised.
- Subjects :
- Materials science
Acoustics
020208 electrical & electronic engineering
Impedance transformer
02 engineering and technology
Filter (signal processing)
Filter theory
law.invention
Resonator
High impedance
Band-pass filter
law
0202 electrical engineering, electronic engineering, information engineering
Electrical and Electronic Engineering
Transformer
Electrical impedance
Subjects
Details
- ISSN :
- 1350911X and 00135194
- Volume :
- 56
- Database :
- OpenAIRE
- Journal :
- Electronics Letters
- Accession number :
- edsair.doi...........0b706a8fbeee6793b4bc67d7ec386073