The (o) is probably representing a coaxial style connector for the
HV connection. In some designs he uses pieces of pcb material or
'sandwich' construction against a chassis sidewall for the bypass
capacitor and I'm guessing that's what he's indicating with the
enlarged capacitor symbol.
Most of his designs have suggested layout drawings to go with them
and/or pictures of built amplifiers, so have a hunt to see if
there's one to go with this schematic.
Steve
> Looking around the web tonight for 6m amp designs using the GI-7B and i came
> across this schematic...
>
> http://yu1aw.ba-karlsruhe.de/shema%201xGI7B%202m&6mmod.gif
>
> I understand the schematic except for one thing.. At the top middle where
> the
> connection for +Va is shown it comes down to a second connection point and
> then
> it shows a ground to the left and a connection to what appears to be a large
> cap to the right, i assume its a capacitor as that makes the most sense but
> these foreign guys use different symbols for stuff sometimes. Why is that
> second connection point with the (o) and a ground connection to each side
> there? Seems to be a dead short for the HV.
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