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Title: Miniaturized LTCC elliptic-function lowpass filters with side stopbands

A compact, high-selectivity, and wide stopband lowpass filter is highly demanded in wireless communication systems to suppress adjacent harmonics and unwanted signals. In this letter, a new miniaturized lowpass filter with elliptic-function frequency response is introduced. The filter is fabricated in multilayer low temperature cofired ceramics. The size of the miniaturized filter is 5.5 × 3.9 × 1.72 mm3. As a result, the measured insertion loss of the filter is better than 0.37 dB from DC to 1.28 GHz and the measured stopband of the filter is great than 22 dB from 2.3 to 7.5 GHz.
Authors:
 [1] ;  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
OSTI Identifier:
1235326
Report Number(s):
SAND--2015-0208J
Journal ID: ISSN 0895-2477; 562133
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
Microwave and Optical Technology Letters
Additional Journal Information:
Journal Volume: 57; Journal Issue: 8; Journal ID: ISSN 0895-2477
Publisher:
Wiley
Research Org:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE