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| Please help to identify the transistor (or amplifier) - RF Cafe Forums | ||||||
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Below are all of the forum threads, including all the responses to the original posts. vitaly_r Post subject: Please help to identify the transistor (or amplifier) Posted: Thu Aug 23, 2007 4:38 am Lieutenant Joined: Thu Aug 23, 2007 4:20 am Posts: 1 Location: Israel Hello all. I need help in identifying the following transistors/amplifiers (see links to the photos below). They differ only in the marking (on the first the marking is "2n" and on the second "2i" or "2t"). http://www.flickr.com/photos/11912375@N04/1200471611/ http://www.flickr.com/photos/11912375@N04/1200471623/ I've tried to search according to the marking ana have not find anything. The components are used inside voltage control oscillators (VCO) designed for high frequencies (4 - 6 GHz) and for 1 GHz bandwidth each. Every VCO has only one of this component. The VCO is a regular Colpitts oscillator and the component (I'm trying to find out its P/N) is actually the transistor used to provide the negative resistance. As could be seen at the photos the component has four leads, one of them is not used. The other three are used as Emitter, Collector and Base of bipolar transistor. I need the manufacturer of these parts and part numbers if possible. I will appreciate your help! Vitaly Top Noise Post subject: helloPosted: Thu Aug 30, 2007 9:50 am Captain Joined: Tue May 02, 2006 4:59 am Posts: 15 hello vitaly, It is very difficult to idetify this parts. You must try to give us more information. I know some transistors has more details in there side like these example : http://www.maplin.co.uk/Module.aspx?Mod ... &U=strat15 Posted 11/12/2012 | ||||||
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