[sdiy] SIP filter modules coming

[Tom Wiltshire]

Alfa have got the AS194H/AS394H (LM194H/LM394H) matched pairs in production, and AS3046 (LM3046) is on the way. I don’t know if they have plans for the 3096 - if so, they haven’t mentioned it to me yet.

Tom

> On 24 Apr 2018, at 16:50, Dan Snazelle <subjectivity at hotmail.com> wrote:
> 
> I agree with ian !!
> 
> I'd love to see new versions of the transistors arrays ! 
> 
> 
> Sent from my iPhone
> 
>> On Apr 24, 2018, at 11:37 AM, Ian Fritz <ijfritz at comcast.net> wrote:
>> 
>> 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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>> 
>> 
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