Roy J. Tellason
rtellason at verizon.net
Wed Jan 28 10:53:02 CST 2009
On Wednesday 28 January 2009 10:58:08 am Ethan Dicks wrote:
> On Wed, Jan 28, 2009 at 10:51 AM, James Gessling <jgessling at yahoo.com>
> > My radio shack 150 in one electronic project kit (cat
> > number 28-248, maybe 1976?) contains a part listed as
> > an "Integrated Circuit". Model number BA-302 is
> > listed and that's what's on the part. It's a 7 pin
> > inline package. The text mentions it to be a "ring of
> > three" amplifier.
> > I've been having quite a bit of fun working with this
> > kit, never had one as a kid, but this part has me a
> > bit baffled. Internet searches haven't turned up
> > anything useful. Anyone can help? I'd really
> > appreciate it.
> I had the 150-in-1 as a kid (and still have it)... ISTR they put the
> equivalent circuit either in the manual or on the cardboard face of
> the kit... it's a simple 3-transistor amplifier, and I've never seen
> anything like it in the wild, but perhaps it was used in FM radios of
> the day?
Interesting that there doesn't seem to be any data out there on this part. If
one of you guys finds a datasheet, feel free to forward me a copy and I'll
put it in the pile.
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James
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