will nothing work??? (is 606 LT trig out a v-trig???)

[john..]

In my previous post about converting v-trig to s-trig, I got the drain & 
source connections the wrong way around.... they should be:


                   Drain|-----------------o S-Trig
                       ---
                 Gate |   |
       trig o---------|   |
                      |___|
 V-Trig.                | Source
                        |
        gnd o------------------------------o gnd


> simple, yes. G, S, D? what are the equivalents here (to E, C, B)? i kinda
> figured that G = C, but what are the other two?

There are two types of transistor: Bipolar and Field-effect. Bipolar
transistors have `Emitter, Base, and Collector' pins, whilst Field-effects
(or FETs) have `Gate, Source, and Drain'. The FET can be thought of (in a
limited way) as a sort of voltage-controlled resistor - voltages applied
to the gate vary the conductance across the Source and Drain connections.
So, in the circuit above, since the input voltage is relatively large, the
drain-source resistance is lowered - voila! short-to-ground.

Ok, so I skipped some of the theory, but that's more-or-less all you need 
to know :)

Oh, for this application, you'd best use something a bit chunky 
(VMOS FET - something like a VN10KM, VN46AF, VN66AF, VN67AF etc.)

cheers,

john..

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