Invention Application
- Patent Title: Dual mode tuning arrangement
- Patent Title (中): 双模调谐装置
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Application No.: US10523382Application Date: 2003-07-25
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Publication No.: US20050260959A1Publication Date: 2005-11-24
- Inventor: Alan Chin Yeo , Kui Lim
- Applicant: Alan Chin Yeo , Kui Lim
- Priority: EP02017272.2 20020801
- International Application: PCT/IB03/03348 WO 20030725
- Main IPC: H04N5/60
- IPC: H04N5/60 ; H03B1/00 ; H03B5/12 ; H03J7/08 ; H04B1/16 ; H04B1/18 ; H04B1/26 ; H04N5/46
Abstract:
In a local oscillator for a tuning arrangement for both TV and FM signals there is substantial risk of parasitic oscillation. A special provision is disclosed for effectively reducing this risk. The special provision is a connection of a damping resistor (R1a) for suppressing parsitic oscillations between ground and a junction (J2) of a parallel LC resonator of the local oscillator.
Public/Granted literature
- US07301584B2 Dual mode tuning arrangement Public/Granted day:2007-11-27
Information query
