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From: email@example.com (Bob Wilson)
Subject: Re: how to tell when forward bias?
Date: Wed, 30 Oct 2002 04:04:08 -0000
Organization: Your Organization
X-Newsreader: WinVN 0.99.9 (Released Version) (x86 32bit)
In article , firstname.lastname@example.org
>lets say theres a circuit like the following
> ----------10k resistor-----------(gate to SCR) -------800ohm
> | |
>lets say there is a -9 voltage on the right. wouldn't that make the SCR
>gate negative? I've been told it makes it positive. and why would it be
>positive? the gate is connected to both the positive and negative leads.
>one person told me that the gate needs to be positive relative to the
>cathode. well wouldn't that be true even if you disconnected the positive
>lead from the gate of the SCR because the 800ohm resisitor would make the
>voltage to the gate drop below the voltage of the cathode. That means it
>would be positive right? I am totally and utterly confused here. I can't
>understand even the simplest circuits well because of this junk. could
>someone tell me a fool proof way to think of circuits like this, including
>transistors and such, so that I can't possibly get confused?
You need to do a better job at ASCII art. Your "circuit" is unintelligible.
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