[R-390] Sync Det II

[Jeff Adams]

You can still get the NXP NE602AN if you look around...I see several on 
the net..

73, Jeff KG4RZM



On 10/29/2013 10:05 PM, Perry Sandeen wrote:
>
>   
> List,
>   
> The ski that Al sent me from the QST is the one I
> was thinking about and I started re-drawing it with photoshop elements as a bit
> image.
>   
> Several hours down the road working on the
> schematic I decided to see what IC’s were used.
>   
> Then I discovered a major problem.  They all seem to be “unobtainium”.  The one source listed is out of business.  My search on Ebay didn’t show anything except
> two surface mount NE602 pieces.  I didn’t
> follow up on the IF subsystem that was used for availability.
>   
> Unless someone has sources for these IC’s this
> becomes a dead end project unless some on the list is able to redesign it with
> available components.  Redesigning it is
> far beyond my skills.
>   
> The project needs two NE602 and one NE604 FM IF
> subsystem IC’s.  If anyone wants to
> search them out and they are available at a somewhat reasonable price the list
> would appreciate the info.
>   
> Regards,
>   
> Perrier
>   
> P.S. If anyone is interested I have a 20 gallon SS
> single column still for sale.  Shipping
> weight exceeds 100 pounds in two boxes.  Requires
> two 220 volt water heater heating elements and control circuit, not included.
>   
> Remember it’s not too early to get ready for the
> upcoming holiday festivities! Contact me off line please.
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