Micromachined filters on synthesized substrates

R. F. Drayton; S. Pacheco; J. G. Yook; L. P.B. Katehi

Micromachined filters on synthesized substrates

R. F. Drayton, S. Pacheco, J. G. Yook, L. P.B. Katehi

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Conference article › peer-review

13 Citations (Scopus)

Abstract

Effective frequency spectrum usage requires high performance filters with a sharp cut-off frequency and high stopband attenuation. Stepped impedance lowpass designs achieve this with large ratios of high and low impedance values. In high index materials, however, such as Si (11.7) and GaAs (12.9), these ratios are around 5 which significantly limit filter performance. This paper presents the use of Si micromachining to produce synthesized substrates with stepped-impedance low filter designs. Of the two designs, one offers a reduction of the low impedance value while the other offers an increase of the high impedance value to produce Z_H/Z_L ratios that are 1.5 to 2 times larger than conventional designs.

Original language	English
Pages (from-to)	1185-1188
Number of pages	4
Journal	IEEE MTT-S International Microwave Symposium Digest
Volume	3
Publication status	Published - 1998
Event	Proceedings of the 1998 IEEE MTT-S International Microwave Symposium. Part 1 (of 3) - Baltimore, MD, USA Duration: 1998 Jun 7 → 1998 Jun 12

All Science Journal Classification (ASJC) codes

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Cite this

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title = "Micromachined filters on synthesized substrates",

abstract = "Effective frequency spectrum usage requires high performance filters with a sharp cut-off frequency and high stopband attenuation. Stepped impedance lowpass designs achieve this with large ratios of high and low impedance values. In high index materials, however, such as Si (11.7) and GaAs (12.9), these ratios are around 5 which significantly limit filter performance. This paper presents the use of Si micromachining to produce synthesized substrates with stepped-impedance low filter designs. Of the two designs, one offers a reduction of the low impedance value while the other offers an increase of the high impedance value to produce ZH/ZL ratios that are 1.5 to 2 times larger than conventional designs.",

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year = "1998",

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journal = "IEEE MTT-S International Microwave Symposium Digest",

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note = "Proceedings of the 1998 IEEE MTT-S International Microwave Symposium. Part 1 (of 3) ; Conference date: 07-06-1998 Through 12-06-1998",

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T1 - Micromachined filters on synthesized substrates

AU - Drayton, R. F.

AU - Pacheco, S.

AU - Yook, J. G.

AU - Katehi, L. P.B.

PY - 1998

Y1 - 1998

N2 - Effective frequency spectrum usage requires high performance filters with a sharp cut-off frequency and high stopband attenuation. Stepped impedance lowpass designs achieve this with large ratios of high and low impedance values. In high index materials, however, such as Si (11.7) and GaAs (12.9), these ratios are around 5 which significantly limit filter performance. This paper presents the use of Si micromachining to produce synthesized substrates with stepped-impedance low filter designs. Of the two designs, one offers a reduction of the low impedance value while the other offers an increase of the high impedance value to produce ZH/ZL ratios that are 1.5 to 2 times larger than conventional designs.

AB - Effective frequency spectrum usage requires high performance filters with a sharp cut-off frequency and high stopband attenuation. Stepped impedance lowpass designs achieve this with large ratios of high and low impedance values. In high index materials, however, such as Si (11.7) and GaAs (12.9), these ratios are around 5 which significantly limit filter performance. This paper presents the use of Si micromachining to produce synthesized substrates with stepped-impedance low filter designs. Of the two designs, one offers a reduction of the low impedance value while the other offers an increase of the high impedance value to produce ZH/ZL ratios that are 1.5 to 2 times larger than conventional designs.

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M3 - Conference article

AN - SCOPUS:0031628698

SN - 0149-645X

VL - 3

SP - 1185

EP - 1188

JO - IEEE MTT-S International Microwave Symposium Digest

JF - IEEE MTT-S International Microwave Symposium Digest

T2 - Proceedings of the 1998 IEEE MTT-S International Microwave Symposium. Part 1 (of 3)

Y2 - 7 June 1998 through 12 June 1998

ER -

Micromachined filters on synthesized substrates

Abstract

All Science Journal Classification (ASJC) codes

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