Is not a high pass filter terminated into 50 ohms a better solution then a
low pass filter? The latter is only maybe seeing 50 ohms on one frequency
and on harmonics looking into something else than 50 ohms?
Hans
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>Från: Peter Chadwick <Peter_Chadwick@mitel.com>
>Till: "AMps@contesting.com" <amps@contesting.com>, "'W8JI@contesting.com'"
<W8JI@contesting.com>
>Ämne: RE: [AMPS] Low Pass Filter
>Datum: ons 29 nov 2000 17.49
>
>
>Tom says:
>
>>Capacitors must have nearly zero lead length and inductors
>>must be single layer in-line designs.
>
>Tell it not in Garth, whisper it not in the streets of Absalom, but the MFJ
>30MHz LPF that I got is well made, appears to do an adequate job if the network
>analyser at work can be believed, and uses low inductance capacitors formed out
>of board material. As I remember, it was around $30, and so making one wasn't
>worth the effort, unless one likes the exercise. Whether or not they still do
>it is another matter................
>
>73
>
>Peter G3RZP
>
>
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