## Abstract A dielectric multilayer dual‐band filter is realized by using a stepped‐impedance resonator (SIR). The input/output ports of the filter are formed with transmission lines directly tapped to the resonators. The admittance matrix for the equivalent circuit of the filter has been derived a
Multilayer ceramic bandpass filter at microwave frequency
✍ Scribed by Cheng-Liang Huang; Han-Shui Hsueh
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 440 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
This paper describes an accurate design technique for multilayer bandpass filters for wireless communication system applications. Using coupled strip-line and J-in¨erter theories, the filters were analyzed and designed in a multilayer structure. The designed structures were simulated using MDS and IE3D simulators. Fabricated filters were measured by an HP8757D network analyzer. Sample results of the filter performances demonstrate excellent potential of the multilayer structure. It indicates that the filter can ha¨e a response that is in good agreement with the simulation result without a cofiring process.
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Figure 4 Experiment at RF band; carrier at 462.5625 MHz, sine Ž . Ž. wave of 4 kHz information @voltage amplitude of 0.1 V. a Spec-Ž . Ž . Ž . Ž . trum of transmitted RF signal. b Scope view of h y versus h x . c Ž . Ž . Original information top and recovered information bottom gation. The lagged sy
## Abstract Multilayer cross‐coupled open‐loop resonator bandpass filters have been developed on low temperature cofired ceramic substrates. The center frequency of the designed bandpass filter is at 5.2 GHz and the fractional bandwidth is 4%. The measured center frequency is 5.2 GHz, passband inse
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