[minima] Re: A linear for the Minima
- From: Mvs Sarma <mvssarma@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Mon, 24 Feb 2014 19:16:23 +0530
On Mon, Feb 24, 2014 at 6:50 PM, Paolo Cravero <paolo.cravero@xxxxxxxxx>wrote:
> About input gate capacitance, we are talking about:
>
> IRF510, 135 pF typ
> IRFZ24: 370 pF typ
> IRFZ44: 1770 pF typ
>
> While the latter two may be OK for 160/80 and maybe 40 m bands, driving
> them on higher bands will be hard (too low impedance, see what Farhan wrote
> yesterday).
>
>
> What I love about this linear is that it can be built and tested while
> waiting for Minima PCBs to arrive. Since we're dealing with higher level RF
> I am afraid a PCB might require few revisions before becoming 100% stable
> and reproductible. A Manhattan style is probably better for the
> unexperienced.
>
> Mr Farhan, I hope you will publish a picture of existing Minima Linear(s),
> as a guidance for those that will begin building it right away.
>
> 73,
> Paolo IK1ZYW
>
>
--
Regards
Sarma
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