[sdiy] TI SN74LS624N, worth buying?

[Steve Lenham]

That's a bit harsh - Bob hasn't mentioned anything which is 
out-of-production. It's not like he is planning to test the breakdown 
voltage of SAD1024s or make a sculpture out of SSM2040s.

His posts have been making me smile because I can still distantly 
remember browsing the Farnell catalogue with exactly the same sense of 
excitement at the age of fifteen or so and marvelling at the world of 
components which were out there.

Keep it up Bob - the world will NOT run out of 2N3904s any time soon 
and, even if it does, we need enthusiastic engineers more than we need 
any particular part!

Steve L.

On 10/11/2011 06:58, Eric Wood wrote:
> If that is what you need to hear then I will say it, I guess. I
> understand the wanting and willingness to learn about these things
> and support your striving to do so. But, am I the only person that
> thinks buying hard to find chips for the sake of having them, and
> having zero idea what you may eventually do with them is a less than
> noble endeavor? There a people out there with machines they have
> invested thousands of dollars on that may or may not need these
> components to keep alive! Really guys? Let's experiment with stuff
> that is not unavailable! Please?
>
> Sent from my Cerebellum!!!
>
> On Nov 8, 2011, at 3:06 PM, Bob K<farfisa5 at gmail.com>  wrote:
>
>> Thanks for the advice Tom, John, and everybody else!
>>
>> The Coolaudio V2164 chips from Mammoth will be ordered soon.
>>
>> I also found some stuff musicfromouterspace.com.  Whew, does that
>> guy have fun parts and a shitload of information!
>>
>> He carries packages of 10 NJM13700D (LM13700) chips for $16.
>>
>> I also picked up a set of Matched 2N3904s And Tempco while there
>> ($12).  Don't know what the hell I'll do with it but, hey, I might
>> as well get them while available.
>>
>> TL074?  Great..... more stuff to buy.
>>
>> I've officially taken over half of my girlfriend's bookcase with
>> electronic parts.  It used to be four shelves of yarn, now it's
>> two shelves of yarn and two shelves of parts.
>>
>> I'm slowly winning the battle until I hear that infamous, "When
>> the hell are you actually going to make something?!" question.
>>
>> Thanks again!
>>
>> -Bob
>>
>> On Tue, Nov 8, 2011 at 12:46 PM, Tom
>> Wiltshire<tom at electricdruid.net>  wrote:
>>> I completely agree with John. You can build an entire synth with
>>> this chip alone. Ok, maybe you need an op-amp too, but a TL074
>>> would do it.
>>>
>>> And irritatingly, as soon as we DIYers find a decent chip, they
>>> take it off us. Last time buy on Analog Devices website. The
>>> Coolaudio V2164 clone is still available though (Small bear,
>>> Mammoth, others I'm sure), and you might yet find some 'original'
>>> analog devices SSM2164s lurking about.
>>>
>>> Buy 'em now, then stick them on ebay in a years time at $25 a pop
>>> - after all, they're original analog SSM chips, right? That's
>>> what everyone else would do!
>>>
>>> T.
>>>
>>> On 8 Nov 2011, at 17:48, blacet at blacet.com wrote:
>>>
>>>> This may have already been mentioned but the SSM2164 is
>>>> arguably the most interesting IC for general electronic music
>>>> use.  Althought it is intended as a VCA, the voltage control
>>>> blocks find uses in LFOs, filters, VCOs etc. This is one IC all
>>>> DIYers should become experts in the use of!
>>>>
>>>> _______________________________________________ Synth-diy
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>>>
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