# 6936 complete - all FB - in which order to install options now ?

[OZ2BRN Brian Lodahl]

Hi,

# 6936 completed tonigh, all FB.
Complete flawless build and calibration throughout the whole phase.
(Still riding bareback on K2/10 watt, CW only)

Now to my question:
Before I go ahead and plug in all the options one by one, is there a
certain (and smart) order in which to install the different options
listed below ?

* KSB-2 SSB option
* 160m + 2nd Rx option
* Audio filter + real time clock option
* Noise blanker option
* KPA-100, 100 watt + RS-232 option

( and last but not least the K-ATU-100, which Is external and can be
done at the end, I assume)

Second question:
I have calibrated frequency reference, VFO/BFO using my own signal
generator + frequency counter at home. I have aligned the filters using
the description in the manual and yet not the method using spectrogram
software on PC / soundcard.

( I was supposed to have built a GPS-controlled presicion 10 MHz
frequency reference (VE2ZAZ) prior to starting the K2, but I managed to
kill the VCO with a drill bit and I'm still waiting to find a new good one )

Before I proceed with any of the options, is there any reason to repeat
my calibrations to more precise level of performance ?


73'
Brian OZ2BRN
K2/10 # 6936

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[Don Wilhelm-4]

  Brian,

There is no best order for the options.  You will want to install the
KSB2 and the K160RX before you can say the K2 basic alignment is
complete.  The K160RX may require changes in the alignment of the 80/160
m bandpass filter and the KSB2 will require changes in the filter alignment.

For Dial Calibration and Filter Alignment, I refer you to my website
(www.w3fpr.com) article on K2 Dial Calibration.
If you have an AM signal of known frequency that you can tune with the
K2, then you can do a better job of setting the 4 MHz reference
oscillator than can be obtained with even the best of equipment - the
VFO frequency minus the BFO frequency is the frequency the K2 is tuned
to - just adjust C22 while measuring the VFO and BFO frequencies with
the internal counter and you will have negated any other variables.

I highly recommend Spectrogram (or similar) for aligning the filters.

73,
Don W3FPR

On 11/1/2010 4:24 PM, OZ2BRN Brian Lodahl wrote:

> Hi,
>
> # 6936 completed tonigh, all FB.
> Complete flawless build and calibration throughout the whole phase.
> (Still riding bareback on K2/10 watt, CW only)
>
> Now to my question:
> Before I go ahead and plug in all the options one by one, is there a
> certain (and smart) order in which to install the different options
> listed below ?
>
> * KSB-2 SSB option
> * 160m + 2nd Rx option
> * Audio filter + real time clock option
> * Noise blanker option
> * KPA-100, 100 watt + RS-232 option
>
> ( and last but not least the K-ATU-100, which Is external and can be
> done at the end, I assume)
>
> Second question:
> I have calibrated frequency reference, VFO/BFO using my own signal
> generator + frequency counter at home. I have aligned the filters using
> the description in the manual and yet not the method using spectrogram
> software on PC / soundcard.
>
> ( I was supposed to have built a GPS-controlled presicion 10 MHz
> frequency reference (VE2ZAZ) prior to starting the K2, but I managed to
> kill the VCO with a drill bit and I'm still waiting to find a new good one )
>
> Before I proceed with any of the options, is there any reason to repeat
> my calibrations to more precise level of performance ?
>
>
> 73'
> Brian OZ2BRN
> K2/10 # 6936
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Please help support this email list: http://www.qsl.net/donate.html