Domenico, Thank you very much for your advice and the data sheets. I had compared the two data sheets and could not see why a substitution was a bad idea.
I appreciate the other part numbers and source recommendation, too! 73, Mark N8MH At 09:49 PM 5/31/2011 +0200, i8cvs wrote: >----- Original Message ----- >From: "Mark L. Hammond" <[email protected]> >To: "Amsat - BBs" <[email protected]> >Sent: Tuesday, May 31, 2011 8:00 PM >Subject: [amsat-bb] Landwehr 70cm preamp device question? > >> Hello All, >> >> I have an old Landwehr preamp that apparently uses the MGF1402 device >> (does that sound right?). It's not working so I presume it's the >> GaAsFET. >> >> Can the MGF1302 be substituted for the original MGF1402? Or can >> anybody recommend another device for the 70 cm Landwehr? >> >> I need to do something... >> >> Thanks in advance! >> >> -- >> Mark L. Hammond [N8MH] > >Hi Mark, N8MH > >The MGF 14......types are MIL versions (Hi-Rel) of the MGF 13..... and >MGF 19..... and so "apparently" the MGF 1402 can be repleced by a >MGF 1302 with minor current adjustement for the lowest Noise Figure > >By the way the MGF 1402 can be directly replaced by a ATF 26550 >or MGF 1412 available at 9,30 Euro's from > >http://www.rfmicrowave.it/catalogue.php?lang=eng > >Look at the Catalog and then click over GaAsFET and FET > >If you contact Franco Rota of the above rfmicrowave company I am >sure that he has few MGF 1402 at stock > >You can pay it with credit card and get the GaAsFET in a few days >by regular post. > >73" de > >i8CVS Domenico _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
