[sdiy] TI SN74LS624N, worth buying?

[Bob K]

Thanks Steve.

I'm that kind of person that when I get involved in something new, I
go all-in and buy waaaay too much stuff.  Like the beginner jogger
that purchases a pair of $200 running shoes even though a $40 pair
will suffice.

I can't rationalize purchasing original SSM or Curtis chips because,
well, I can't afford them.  So don't worry about me stockpiling those
things.

Do I have grandiose ideas of building things that I probably will
never be able to even understand?  Sure.  But, hey, that's why I got
into it.

I've learned a ton so far just from these two months I've been on this
list, so I thank you all very much.

On Thu, Nov 10, 2011 at 1:48 AM, Steve Lenham <steve at bendentech.co.uk> wrote:
> 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!
>>>>>
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