The application of MRFE6VS25N

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The application of MRFE6VS25N

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530586517
Contributor I

Dear sir or ma'am,thanks for your suggestions. May i have you attention for three questions?

On the page 23/24 of the datasheet of MRFE6VS25N,there is a reference circuit component layout which contains some kinds of microstrip at 1030MHz.

In conditions of input and output impedance matching via changing values or locations of capacitors or inductors ,can I decrease the width or length of microstrips ? eg. Z6、Z7 and Z11 ....

For narrowband or single frequency application,the impedance matching can be realized easily with less components. Is that right?

At the bottom of the reference circuit component layout,there are some microstrips with nothing components on both sides of cut out area. What is the functions of them?

Look forward to your reply,thank you !

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  • RF

1 Reply

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LPP
NXP TechSupport
NXP TechSupport

>can I decrease the width or length of microstrips ?

Microstrips are parts of the impedance matching network. Changing the width or length of microstrips would require modification of other components (values or locations of capacitors or inductors). Full redesign of the circuits will be needed.

>For narrowband or single frequency application,the impedance matching can be realized easily with less components.

Indeed. Narrowband design can be implemented with less components.

>At the bottom of the reference circuit component layout...

These areas are provided for optional gate and drain bias circuit design. The main difference is that the connection points are located closer to the  transistor pads.
Have a great day,

Pavel
TIC

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