Calculate Output Impedance of Transistor

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#1 21675956 25 May 2016 14:06

amr esam amr esam

Anonymous

Post #1
21675956 25 May 2016 14:06

i need to match the output of this circuit(1) to a 50 ohm, but i dont know the output impedance
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#2 21675957 25 May 2016 19:42

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21675957 25 May 2016 19:42

Hi,

Kindly look about this article. This might help a little. https://www.pdx.edu/nanogroup/sites/www.pdx.e...group/files/2013_Input_output_impedance_9.pdf
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#3 21675958 27 May 2016 09:29

amr esam amr esam

Anonymous

Post #3
21675958 27 May 2016 09:29

thanks KEVIN .
#4 21675959 17 Aug 2016 11:50

Randall Ferreto Randall Ferreto

Anonymous

Post #4
21675959 17 Aug 2016 11:50

Hi Amr.

i have done this circuit before, the impedance is about 1.5 k to 2k ohm, you should use a LC network to match it to 50 ohm or better a transformer in the coil of the collector with a relation 10:1
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Calculate Output Impedance of Transistor

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