[TenTec] Argo 509 Mods

[Geoffrey S. Mendelson]

Don Culpepper, KF4DQD asked:


>Since my Argo 509 is now spending some quality time (I hope) back home
>at Ten-Tec, does anyone know of any mods for an Argonaut 509?  

The simplest is to replace the dual gate MOSFET in the front end with a
3N211. This does require some re-alignment. 

The mod consists of unsoldering the old MOSFET, inserting the 3n211 the
exact same way and tweaking the alignment.

Geoff.

-- 
Geoffrey S. Mendelson  (4X/N3OWJ), Senior Programmer
Computer Science Institute, Hebrew University, Jerusalem, Israel
geoffm@cs.huji.ac.il (02) 65 85692  Fax (02) 561 7723  
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"Nobody's ever attempted a double-bypass brain transplant before."
Sid Phillips (from "Toy Story").  

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