[sdiy] SIP filter modules coming

[Ian Fritz]

Of course, but weren’t we talking about the new ones?  Surely the improved growth and fab will also apply to them.

Ian

> On Apr 24, 2018, at 12:52 AM, Gordonjcp <gordonjcp at gjcp.net> wrote:
> 
>> On Mon, Apr 23, 2018 at 04:21:57PM -0600, Ian Fritz wrote:
>> 
>> 
>>>> On Apr 23, 2018, at 2:20 PM, Gordonjcp <gordonjcp at gjcp.net> wrote:
>>>> 
>>>> On Mon, Apr 23, 2018 at 12:18:55PM -0700, Jay Schwichtenberg wrote:
>>>> Don't know if you're talking about the CA3280/2164s or CA3046/CA3096s.
>>> 
>>> The CA3046/3096es.  They're not especially well matched, compared to
>>> what you can get these days.
>> 
>> How do you know? Have you tested any? 
> 
> Yes, I have, albeit old ones.  I don't know how new the "newest" ones
> are, probably not a whole lot newer.
> 
> Vbe and hFE are all over the place.  They are closely thermally coupled,
> which is a help I guess.  Other than than, any two random BC548s out of
> the bag will probably be closer matched these days.
> 
> -- 
> Gordonjcp
> 
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