[Aavso-sid-list] Gyrator receiver - Parts list and germanium diode alternate

[David Saum]

Siddhartha

The AA117 and AAZ15 seem to be obsolete parts.

The only ones I see for sale are on the Irish ebay
http://cgi.ebay.ie/DIODE-AA117-GLASS_W0QQitemZ170196815057QQihZ007QQcategoryZ4663QQcmdZViewItemQQ_trksidZp1713.m153.l1262

I would try the 1N34A germanium diode.

for a description, see
http://www.web-tronics.com/1n34.html

for sources, try
http://www.findchips.com

Ciao,

Dave
http://www.infiltec.com/SID-GRB@home

Siddhartha Jain wrote:
> Hi,
>
> I cannot seem to find the germanium diode listed for the Gyrator
> receiver - AA117/AAZ15.
>
> Can someone please direct me to an online source for these in the US
> or suggest an alternate?
>
> Also, if someone can please verify this parts list. I used the
> attached schematic to build the list.
>
> Resistors                       Qty
> -----------------                    -----
> 100k                                   2
> 10k                                     7
> 1Mohms                              1
> 2200 ohms                          2
> 3.3k                                    5
> 4.7k                                    1
> 470ohms                             1
>
> Potentiometers
> -----------------------
> 10k trimmer                         1
> 4.7k pot                               1
> 47k trimmer                         2
> 5k trimmer 10 turns              1
>
> Capacitors
> ----------------
> 0.01mf non-electrolytic          3
> 1000pf polypropelene            5
> 2.2mf non-electrolytic           1
>
> Others
> ----------
> AA117-oA5-AAZ15 G Diode    1
> IC uA741 LS141                     1
> TL082                                    2
> 100 uA meter                         1
> 1N4148 Diode                        2
>
>
> Thanks,
>
> --
> - Siddhartha
>  WV6U
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