[sdiy] CA3280

[Tristan Upton]

Hi James, 

I bought some CA3280 chips from Futurlec just last month. Unicorn 
Electronics also have many of the CA3XXX series available. Both have prices 
on their websites. 

Regards, 

Tristan 

JAMES GALLANT writes: 

> Thanks to all for the input, I think Ill have to get some of these. 
> 
> The reason I brought the topic up is that I've found some at Rochester 
> Electronics Inc.
> http://www.rocelec.com/
> They have over 16,000 in stock spread between three part numbers, all of 
> which are by Harris. 
> 
> I contacted them yesterday, just before my first post on this topic, and 
> they will sell to individuals.  Their terms are $50 minimum order per line 
> item.  In other words, per unique part number ordered, not total order.  
> They also take major credit cards for payment.  The down side of this is 
> that they do not list prices, you have to submit an RFQ, request for 
> quote.  I have not done this yet but I will when I get back to work next 
> Tuesday.  I'll post my results if anybody is interested.  I'll be asking 
> about quanties starting at 25 and going up to 250.  Granted, I'll never 
> need 250 but I curious as to where the price breaks (if any) may be. 
> 
> Also, for those intrested, REI has several thousand CA3080's in stock 
> (Harris & Intersil) and are now producing new ones.  The company I work 
> for is purchasing a few of hundred per month from them for use in our 
> products. 
> 
> I know that Futurelec has both the CA3080 and CA3280 listed as available 
> but I read somewhere that they had run out of the CA3280. 
> 
> Happy soldering, 
> 
> James 
> 
>  
> 
>  
> 
>> From: Ian Fritz <ijfritz at comcast.net>
>> To: "Christian From" <christian.from at gmail.com>,        "Paul Perry" 
>> <pfperry at melbpc.org.au>
>> CC: synth-diy at dropmix.xs4all.nl
>> Subject: Re: [sdiy] CA3280
>> Date: Fri, 25 May 2007 12:17:53 -0600 
>> 
>> At 10:37 AM 5/25/2007, Christian From wrote:
>>> So why is it better than 13700? That one has linearizing diodes as 
>>> well...?
>> 
>> It has a better linearization scheme. It also has lower noise, due to the 
>> design of the input transistors.  In practice, it also has much lower 
>> variation of offset with control current. 
>> 
>>   Ian 
>> 
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at dropmix.xs4all.nl
>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>  
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy