AMRAD LF Active Antenna Question

[Rob Seastrom]

Yep, that's the one.  You need it.  :)

-r

"Mark Fancher" <mark.fancher at twc.com> writes:

> Its DS1 in Figure 6.
>
> -----Original Message-----
> From: Robert Seastrom [mailto:rs at seastrom.com] 
> Sent: Sunday, November 02, 2014 4:53 PM
> To: Mark Fancher
> Cc: Tacos
> Subject: Re: AMRAD LF Active Antenna Question
>
>
> On Nov 2, 2014, at 4:37 PM, Mark Fancher <mark.fancher at twc.com> wrote:
>
>> Looks like the LED specified for the antenna (not the power supply) isn’t offered by Radioshack anymore.  Will this thing work without that LED or is it required?
>
> Hi Mark,
>
> I just looked at the schematic and I don't see an LED in the antenna amplifier schematic.
>
> Attention to http://www.arrl.org/files/file/Technology/tis/info/pdf/0109031.pdf
>
> Are you perchance referring to "DS1NE-2 neon lamp (272-1102)" in the schematic on page 34?
>
> If so, that's actually a neon indicator bulb and at a guess it's there to provide a static discharge path so that the first thunderstorm within 10 miles doesn't send Q1 to the great parts bin in the sky.
>
> There seem to be NOS NE-2 neon bulbs on eBay.  Guess those are one of those things that used to be super common and are now hard to find.
>
> The original authors are around and subscribed to the list; perhaps they will chime in.
>
> 73,
>
> de AI4UC