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matching amplifier CREE CGH40006S

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Fhadz

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how to find z source and Z load with tool in ADS ? Iam so confused because when iam calculate with formula and get the value, when iam insert the value to smitchart utility is always not match ? thanks
 

Have you ever looked Page 9 of its Datasheet ??They have been well mentioned..
 

BigBoss said:
Have you ever looked Page 9 of its Datasheet ??They have been well mentioned..
Click to expand...

Iam using 5,6 Ghz, is not available in datasheet, can you help me ?
 

Fhadz said:
Iam using 5,6 Ghz, is not available in datasheet, can you help me ?
Click to expand...

The Impedances have been given for 5GHz and 6GHz, so do an interpolation..
They don't change radically,
 

BigBoss said:
The Impedances have been given for 5GHz and 6GHz, so do an interpolation..
They don't change radically,
Click to expand...

sorry I don't understand, so I can use Zin and Zload which are 5 Ghz
 

Interpolation is simple..
For instance let say , Zs1=2.62 - j15.6 @5GHz and Zs2=1.94 - j21.35 @6GHz.
Zs may roughly be around (Zs1+Zs2)/2 so Zs=2.28-18.475 Ohm@5.5Ghz

OK ??You can calculate it more precisely for 5.6GHz as you know the tendency..
 

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