Thanks, Terry. I understand using Elecraft and the K3 was perhaps a bad
example. Mea culpa.
And if I owned a K3, I would probably care more. ;-)
I do, however, own a Flex-1500, and info is lacking on the Flex website.
I understand how the radio works. I'd like to know the details about
the circuitry chosen, final PA devices, etc.
Call it a hold-over from those halcyon hardware-centric days we loved so
well. ;-)
73,
Russ
WB8ZCC
On 11/28/2011 3:34 PM, Terry Fox wrote:
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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