Amps
[Top] [All Lists]

[Amps] Bias Zener Diodes In Parallel ?

To: <amps@contesting.com>
Subject: [Amps] Bias Zener Diodes In Parallel ?
From: 2@vc.net (2)
Date: Sat, 20 Jul 2002 10:28:27 -0700
>
>
>> >
>> **  During an HV- to gnd arc,
>> no  --  but during a VHF/UHF
>> parasite, an
>> 8877 is capqable of  >50A-pk
>> cathode current (Ik).
>> However, 50A would
>> torpedo a 10A transistor (Q1).
>
>Doesn't your proposed opto controlled
>bias switching transistor have the same
>torpedo problem during a parasitic??
>
**  Quite rightly, Paul.  This is why the 100V npn switch transistor (Q1) 
is protected by the 51V, 1500W-pk voltage surge suppressor diode.  


-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
end


<Prev in Thread] Current Thread [Next in Thread>