[ARC5] BC-AS-230 Transmitter Follies, Part 1
AKLDGUY .
neilb0627 at gmail.com
Wed Dec 31 15:37:40 EST 2014
I'll probably use a 5 ohm 10W wire-wound, with one section of a BCB
tuning capacitor connected in series. When the resistor's inductive
reactance is tuned out by the capacitor, the effect should be obvious.
73 de Neil ZL1ANM
On Thu, Jan 1, 2015 at 8:40 AM, Dennis Monticelli <
dennis.monticelli at gmail.com> wrote:
> Ben,
>
> Glad to hear that the rig seems to be working.
>
> I would like to comment on that 5 ohm wire-wound resistor. I would be
> suspicious of it because the effective series inductance (ESL) would likely
> be a significant percentage of the 5 ohm stamped resistor value. For
> example, it only takes 0.11 uH to equal 5 ohms of inductive reactance at
> 7MHz. It's the low value wire-wound resistors that you have to watch out
> for.
>
> Dennis AE6C
>
>
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