Original document(15 pages) Authorized document(8 pages) 中文版
    A switching device is realized by means of two amplifier paths which are controllable by means of transistors. The collectors of output transistors (T1, T1B) are connected together, without an impedance matching circuit for each path, to a common point (10) being connected to an impedance matching circuit (L5, R7) which is common for the two paths. This switching device is particularly used for selecting signal paths between 1 and 2 GHz in systems for receiving television signals by satellite.
Application Number
申请号		 87108161 Application Date
申请日		 1987.12.16
Title 名称 UHF electronic switching device
Publication Number
公开号		 1019300 Publication Date
公开日		 1988.06.29
Approval Pub. Date 1991.12.04 Granted Pub. Date 1991.12.04
International Classification 分类号 H03K17/62;H04N7/20
Applicant(s) Name
申请人		 N.V. Philips' Gloeilampenfabrieken
Address 地址
Inventor(s) Name 发明人 Maitre Thierry
Attorney & Agent 代理人 HE GUANYUAN CHENG TIANZHENG
More information 更  多  信  息


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