[sdiy] [OT] LM13700 spotted in commercial product of big Manufacturer

[Oren Leavitt]

Back in the '80s, a common model of set top cable TV box had a CA3080E 
in it. I don't remember the make

On 5/14/22 5:38 PM, Ben Gebhardt via Synth-diy wrote:
> Before dsp became ubiquitous, we used to regularly use ne5517s or 
> lm13700 in consumer audio for volume control and limiting circuits . 
>  Used to buy these by the millions.  I’m sure they’re still used by 
> some companies.
>
>> On May 14, 2022, at 3:44 PM, Quincas Moreira via Synth-diy 
>> <synth-diy at synth-diy.org> wrote:
>>
>> 
>> Interesting.
>>
>> On Sat 14 May 2022 at 9:54 Tom Wiltshire <tom at electricdruid.net> wrote:
>>
>>
>>     Because, in DIP form at least, the device has been discontinued.
>>     The SMD part will probably stick around, but it's not exactly
>>     going to ever be a major seller.
>>
>>>     On 14 May 2022, at 15:13, Quincas Moreira via Synth-diy
>>>     <synth-diy at synth-diy.org> wrote:
>>>
>>>     I don’t understand… why would the LM13700 not be a wise choice?
>>>     It’s an excellent OTA used in numerous applications!
>>>
>>>     On Sat 14 May 2022 at 8:54 Steve via Synth-diy
>>>     <synth-diy at synth-diy.org> wrote:
>>>
>>>         Howdy,
>>>
>>>         the bassguitar amplifer "Rumble 40" by none less than Fender,
>>>
>>>         has, in area D..C / 6..7  on page 1, and others, a LM13700.
>>>
>>>         Is that just a not-wise choice, or do they know it won't be
>>>         buried in
>>>         the ancient parts graveyard for a while?
>>>
>>>         Scroll a bit down, to the left, there's a captcha field,
>>>         after getting
>>>         through it, one can download.
>>>
>>>         https://elektrotanya.com/fender_rumble_40_v3_sch.pdf/download.html
>>>
>>>
>>>         - Steve
>>>
>>>
>>>
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>>>     -- 
>>>     QMA 	
>>>     Quincas Moreira
>>>     Director | QMA
>>>     mobile: 5534988825 <tel:5534988825>
>>>     site: quincasmoreira.com <http://quincasmoreira.com/>
>>>     email: quincas at gmail.com
>>>
>>>
>>>
>>>     _______________________________________________
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>>
>> -- 
>> QMA 	
>> Quincas Moreira
>> Director | QMA
>> mobile: 5534988825 <tel:5534988825>
>> site: quincasmoreira.com <http://quincasmoreira.com/>
>> email: quincas at gmail.com
>>
>>
>>
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>
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