[hpsdr] An high dynamic QSD front-end

[Ahti Aintila]

... and here is the transformer version.

73, Ahti OH2RZ


On 15/01/07, Ahti Aintila <oh2rz.sdr at gmail.com> wrote:
> As requested by several people, I attach my latest schematic of the
> 180 degree ISD. This is a circuit that does not need the broadband
> input transformer. The supply voltages suggested are not suitable for
> the Odyssey project. You are free to modify as needed.
>
> Another diagram with the input transformer will come with the next message.
>
> 73, Ahti OH2RZ
>
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