Fellow Amp-freaks,
Although I had decided that this issue was closed for my part, using my DAF
amps with happines (for me and others),
guess I anyway owe you some answers. Comments in text below...
----- Ursprungligt meddelande -----
Från: Tom Rauch <w8ji@contesting.com>
Till: Peter Sundberg <sm2cew@telia.com>
Kopia: <amps@contesting.com>
Skickat: den 27 oktober 2000 22:18
Ämne: Re: [AMPS] G2DAF Circuit
> A schematic is worth 1000 pictures. Is it grid driven? Does it have
> grid bias? What is the screen current? Drive power?
At the web page www.pocab.se/amp/g2daf.htm you will find the schematic of my
amp.
Yes it´s grid driven. There is no grid bias, only cut off bias! Screen current
@ drive power 100W is 60-80 mA depending on load.
> When you measured SSB bandwidth, how many sweeps were
> used for the peak? I assume the analyzer was set for peak holding
> and not the average of the sweeps?
The methode used for measurements is extensively covered by SM3PXO at the
"measurement link" from my web page.
> The circuit certainly looks like someone didn't have the foggiest
> idea what they were doing at all when they "designed" it.
Could be ofcourse, but on the other hand it might just as well be that:
"The comments on the circuit looks like someone didn´t have the foggiest idea
what they were seeing at all when they "rewieved" it."
73 de Lars, SM3BDZ
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