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Dashora, Harsh
- RF Circuit Realisation Using Thick Film Technology
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Authors
Affiliations
1 Systems Engineering Group, U R Rao Satellite Centre, IN
2 HMC and Indigenization Group, U R Rao Satellite Centre, IN
1 Systems Engineering Group, U R Rao Satellite Centre, IN
2 HMC and Indigenization Group, U R Rao Satellite Centre, IN
Source
ICTACT Journal on Microelectronics, Vol 7, No 2 (2021), Pagination: 1115-1120Abstract
Thick film technology is mostly employed at lower frequency circuits such as hybrid micro circuits due to the associated losses of the paste. The characterisation and implementation of the conductive paste at higher frequencies is important so as to employ this technique at higher frequencies. Also the role of ceramic substrate due to higher dielectric losses needs detailed measurement to deduce the useful range of this technique with the selected paste. In this article simple transmission line using the thick film technology is fabricated, characterised and result of the thick and thin film technologies are compared. Subsequently RF circuits such as filter are fabricated using both thick and thin film fabrication technology and comparative analysis carried out. The line losses of 0.01 dB/cm up till 5 GHz is achieved using the standard gold paste. This article details the fabrication process, implementation methodology, design aspects, simulation and comparative analysis of the microstrip circuits such as transmission line and band pass filter.Keywords
Thick Film, Microstrip, Band Pass Filter, Transmission Line.References
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- Fabrication and Characterization of S-Band Compact Dual Mode Close Loop Microstrip Resonator Filter
Abstract Views :105 |
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Authors
Affiliations
1 U R Rao Satellite Centre, ISRO, Bangalore, IN
2 M S Ramaiah University of Applied Sciences, IN
1 U R Rao Satellite Centre, ISRO, Bangalore, IN
2 M S Ramaiah University of Applied Sciences, IN
Source
ICTACT Journal on Communication Technology, Vol 14, No 2 (2023), Pagination: 2925-2932Abstract
Existing communication systems require efficient, compact and portable microstrip filters so that it contributes in enhancing the performance of communication system. Existing communication at S-band system requires spurious free signal transmission as well as reduced insertion and return loss, improved bandwidth and sharp roll off rate. The stated parameters could be improved through the design of a compact resonator filter. Hence, in this paper the design, development and characterization of a dual mode close loop resonator filter on microstrip structure at S-band is discussed. The proposed resonator filter design exhibits performance improvement in terms of insertion loss (<1 dB), return loss (Better than 12 dB), Bandwidth (>5%), sharp role off as compared to existing filter. Dual mode operation of close loop resonator filter is explained through the time varying field distribution. The size optimization of the designed resonator filter is accomplished without altering electrical parameter. The designed resonator filter has also been fabricated on two different substrates and comparative analysis has been carried out. Finally the realized filters have been characterised for its suitability in space applications.Keywords
Microstrip, Resonator, Dual Mode, Perturbation, Cavity, Coupling, Transmission Zero.References
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- Harsh Dashora, Jitendra Kumar and D. Mamatha, “Test Platform for RF Systems and Implementation using Planer Technique”, Proceedings of International Conference on Physical Sciences. 2020.
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