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Group Delay Adjuster Using Resonance Circuit with Varactor Diode
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- Authors
- Sang Keun Park, Jin Kuk Lee, Yong Chae Jeong, Jae Hun Yun, Chul Dong Kim
- Issue Date
- 2005-12
- Citation
- Asia-Pacific Microwave Conference (APMC) 2005, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents a method to control group delay using resonance circuit. The group delay adjuster (GDA) which can control signal group delay time comprises a variable capacitance and a variable virtual inductor. These are coupled in parallel at a node and also controlled by two bias voltages respectively. A variable virtual inductor is realized a transmission line terminated a variable capacitor. When the proposed GDA is fabricated on cellular base-station transmitting band (869-894MHz), a group delay variation range of the fabricated GDA is about Ins. © 2005 IEEE.
- KSP Keywords
- Cellular base, Control Signal, Delay Time, Transmission line, Varactor diodes, Variable capacitance, Variation range, base station(BS), bias voltage, delay variation, group delay