Fabrication and characteristics of varactor diode for UHF TV tuner operated within ultra-low tuning voltage
- Title
- Fabrication and characteristics of varactor diode for UHF TV tuner operated within ultra-low tuning voltage
- Author(s)
- Kim, H. S. ; Shon, Yeong Soo ; Choi, S.-Y.
- Issued Date
- 2007-03
- Citation
- Electronics Letters, v.43, no.7, pp.423 - 425
- Type
- Article
- Keywords
- Bandwidth ; DESIGN ; Diodes ; Doping (Additives) ; Quality Factor ; Semiconductor Junctions ; Tuners ; Tuning Frequency ; Ultra-High-Frequency (UHF) ; Varactors
- ISSN
- 0013-5194
- Abstract
- A varactor diode for a ultra-high-frequency (UHF) TV tuner that can be operated within 5V of tuning voltage (VT) is presented. The fabricated diode has a shallow junction with a heavily doped p++ region on a steep hyperabrupt n+ region. Depletion capacitance was from 18.2pF at VT=0.5V to 2.8pF at VT=5V. This enables the diode to tune the UHF full band without a DC-DC converter. The quality factor of the diode was 20 at VT=0.5V and 470MHz of tuning frequency (f T).
- Publisher
- Institute of Electrical Engineers
- Files in This Item:
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- Appears in Collections:
- ETC 1. Journal Articles
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