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Passive Ferroelectric Phase Modulators for RFID Backscatter Transponders

Scheele, Patrick ; Tomescu, Vlad ; Giere, Andre ; Müller, Stefan (2005)
Passive Ferroelectric Phase Modulators for RFID Backscatter Transponders.
Conference or Workshop Item, Bibliographie

Abstract

Miniaturized, cost-effective reflection type phasemodulators for 2.45 GHz based on tunable ferroelectric thick films of Ba0.6Sr0.4TiO3 (BST) have been realized. Low cost screen printing technology is used for the substrate fabrication. The circuit area is below 2.4mm². The return loss of the first modulator is between 2.2 dB and 3.8 dB with a reflection phase shift of 72° and between 2.0 dB and 3.4 dB with a reflection phase shift of 71° for the second modulator. A third modulator design offers a DC-grounded RF port and a separate RF-decoupled modulation port.

Item Type: Conference or Workshop Item
Erschienen: 2005
Creators: Scheele, Patrick ; Tomescu, Vlad ; Giere, Andre ; Müller, Stefan
Type of entry: Bibliographie
Title: Passive Ferroelectric Phase Modulators for RFID Backscatter Transponders
Language: English
Date: October 2005
Abstract:

Miniaturized, cost-effective reflection type phasemodulators for 2.45 GHz based on tunable ferroelectric thick films of Ba0.6Sr0.4TiO3 (BST) have been realized. Low cost screen printing technology is used for the substrate fabrication. The circuit area is below 2.4mm². The return loss of the first modulator is between 2.2 dB and 3.8 dB with a reflection phase shift of 72° and between 2.0 dB and 3.4 dB with a reflection phase shift of 71° for the second modulator. A third modulator design offers a DC-grounded RF port and a separate RF-decoupled modulation port.

Uncontrolled Keywords: BST, RFID
Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP) > Microwave Engineering
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP)
Date Deposited: 27 Jan 2012 15:19
Last Modified: 26 Aug 2018 21:27
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