In addition to having schematics and other documentation available from
Elecraft for the K3, Fred Cady, KE7X, has an excellent book on the K3,
including design information, block diagrams, partial schematics, driving
instructions, and hint and kinks related to the K3.
There is NO lack of detailed information on the K3, other than source code
for the processors. Elecraft is to be commended for this.
I thought there was also information available on the Flex rigs, at least
the 5000, to owners who ask Flex for it. I have not yet asked for that info
for my 1500. I understand the basics of the radio from the block diagrams,
and can look at the circuit boards as necessary. It's a pretty basic
QSD/QSE rig, with a dedicated codec and the appropriate associated
circuitry. I find that (other than curiosity) I do not need to know what
each resistor does. Especially since, unlike the K3, the 1500 hardware can
be treated as just an RF conversion front-end, with the significant "magic"
being done inside PowerSDR. With PowerSDR source available from Flex to
those who ask, you essentially have the equivalent of schematics for the
back-end of your radio.
I like both rigs for different purposes, so I won't get into an either/or
discussion.
Terry, WB4JFI
-----Original Message-----
From: Tony Estep
Sent: Monday, November 28, 2011 10:53 AM
To: FlexRadio Reflector
Subject: Re: [Flexradio] Hardware questions
On Mon, Nov 28, 2011 at 9:07 AM, Russ Hines <[email protected]> wrote:
... Elecraft has also taken this path, as there appears to be an appalling
lack of tech data available for their K3...
Russ, googling for "K3 Schematic" will return this result:
http://www.elecraft.com/manual/K3_Schematics_Jan_2010.pdf
It's a 52-page document containing a schematic of every module.
Tony KT0NY
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