Scheele, Patrick ; Tomescu, Vlad ; Giere, Andre ; Müller, Stefan (2005):
Passive Ferroelectric Phase Modulators for RFID Backscatter Transponders.
[Conference or Workshop Item]
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 |
| Title: | Passive Ferroelectric Phase Modulators for RFID Backscatter Transponders |
| Language: | English |
| 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 |
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