Are the transistors rate at 220 MHz? RF power transistors are made for a
specific frequency range and will not operate at all well above or below
the design frequency.
73
Glenn
WB4UIV
At 11:09 AM 02/06/06, you wrote:
>Hello,
>
>Does anyone have a good way of measuring the frequency of PC board micro
>strips (M/S)? I have tried my old Millen Grid Dip meter but there is just
>not enough radiated at 220 MHz to get a good dip. I am trying to modify a
>transmitter from 168 MHz to 224 MHz and not having a lot of luck getting 220
>past these M/S's. There is a M/S before the driver and another after the
>final. Got everything tuned to the input of the Micro Strips but nothing
>past them.
>
>Paul
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>Yahoo! Groups Links
>
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>
>
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