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NNTP-Posting-Date: Mon, 09 Sep 2024 19:34:14 +0000
From: john larkin <jl@650pot.com>
Newsgroups: sci.electronics.design
Subject: Re: Ye olde bootstrappe buffere
Date: Mon, 09 Sep 2024 12:34:48 -0700
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On Mon, 9 Sep 2024 13:28:32 -0400, bitrex <user@example.net> wrote:

>Looks promising, with a midband gain of about 0.97.
>
>Use a PNP/JFET cascode as the slower input (as I guess sub-GHz PNPs is 
>all we have, now) and fast NPNs on the output.
>
>It's definitely not expensive, anyway:
>
><https://imgur.com/a/MTh2kl7>
>

The p-to-n  emitter-to-emitter connection, a variant on the cascode,
is intersting, as is the hybrid nfet/pnp source-to-emitter connection.

Your input could have been into the jfet, for hi-z.