[Elecraft] P3 Info!
Doug Person
doug at northroutt.net
Tue Aug 11 18:06:31 EDT 2009
Wayne,
I would vote for an included internal speaker since this would add
minimal cost and make available an optional power supply.
Doug -- K0DXV
Gordan Hribar wrote:
> From: wayne burdick <[EMAIL PROTECTED]>
> Date: April 28, 2007 11:25:51 AM PDT
> To: Elecraft Reflector <elecraft at mailman.qth.net>
> Subject: K3 and its future external panadapter
>
> Sometime in the future (give us at least six months!) we'll be
> offering a very high-performance panadapter for the K3. Let's call it
> a "P3" for now. The P3 will work with any radio that has an I.F. tap,
> but it will be styled to match the K3. We're thinking 2/3rds of the
> K3's width, but the same height and depth. It may have a speaker
> and/or 20 A power supply. Your input on this would be very welcome.
> Early on in the K3 design process, we decided not to include an
> *internal* panadapter. Here's our reasoning:
> - A panadapter takes up a *lot* of front-panel real-estate. So, if
> you want to
> keep the radio at compact desktop size, you have to displace a lot
> of controls.
> The displaced controls end up buried in menus or "soft keys,"
> making basic
> radio operation much more difficult. The K3 has a menu for things
> rarely used,
> but since there's no huge display, we were able to put every
> often-used control
> at your fingertips, optimally placed with respect to the LCD. A
> good example
> is our filter passband graphic, which is centered directly above
> the DSP controls.
> - An internal panadapter adds a lot of cost. Many customers, we felt,
> would
> rather have such cost be optional. If you want a panadapter, you'll
> be able
> get our P3 and set it beside the rig. Then, if you want to grab
> your K3 and head
> for the hills, you can optionally leave the panadapter on the desk
> (along with
> its speaker and power supply).
>
> - Internal panadapters often have severe performance compromises.
> There's at least one
> very new radio on the market with a panadapter that takes over the
> rig during sweeps.
> Many of them are sluggish or have user-interface issues due to lack
> of panel space.
> Our external panadapter will be an entirely independent unit, so it
> will not interfere
> with radio use at all, either operationally or due to overloading
> of controls.
> That said, it will be highly integrated with, and controlled by,
> the K3 (or
> attached computer).
>
> - We may use a display technology that offers faster rewrite speeds
> than you can get
> in an inexpensive graphic LCD such as the type most often used for
> internal panadapters.
> With the panadapter in a separate enclosure, we'll be able to use
> very fast logic,
> and possibly an exotic display such as an OLED (organic LED),
> without incurring
> any RFI problems.
>
> 73,
> Wayne
>
>
>
>
>
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