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K2 #4130 power output result

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JEAN-FRANCOIS MENARD-2

K2 #4130 power output result

Now, after a little technical briefing by Tom N0SS and Gary AB7MY
(thanks),

There are my K2 power output results using the DL1 dummy load when
applying the formula written in the build sheet of the DL1 and my VMM
set to DC.

BAND Power set on K2 @ 5W Power set on K2 @ 10W

160M (1.9 Mhz) 5.2W 10.9W

80M (3.750 Mhz) 5.3W 10.8W

40M (7.070 Mhz) 5.5W 11.0W

20M (14.100 Mhz) 4.5W 9.5W

15M (21.200 Mhz) 4.9W 9.3W

10M (28.500 Mhz) 4.3W 8.6W

Is it these values are in the average with most builders ???

===============================================
Jean-François Ménard / VA2VYZ
[hidden email]
Elecraft K2 #4130

Amateur Radio Club of Sherbrooke, Quebec, Canada

Web site: http://homepage.mac.com/jfmenard
===============================================
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Don Brown-4

Re: K2 #4130 power output result

Hi

This looks good to me. The basic K2 power sensing circuit will not be exact. If you have the KAT2, KAT100 OR KPA100 the power calibration can be set almost perfect because of the better directional coupler type power meter circuit. The basic K2 uses a peak detector using a diode and a couple of precision resistors and some filtering. There are no adjustments with this circuit so it can vary a little from K2 to K2 mostly due to differences in the diode

Don Brown
KD5NDB

----- Original Message -----
From: JEAN-FRANCOIS MENARD<mailto:[hidden email]>
To: [hidden email]<mailto:[hidden email]>
Sent: Friday, July 16, 2004 11:07 AM
Subject: [Elecraft] K2 #4130 power output result

Now, after a little technical briefing by Tom N0SS and Gary AB7MY
(thanks),

There are my K2 power output results using the DL1 dummy load when
applying the formula written in the build sheet of the DL1 and my VMM
set to DC.

BAND Power set on K2 @ 5W Power set on K2 @ 10W

160M (1.9 Mhz) 5.2W 10.9W

80M (3.750 Mhz) 5.3W 10.8W

40M (7.070 Mhz) 5.5W 11.0W

20M (14.100 Mhz) 4.5W 9.5W

15M (21.200 Mhz) 4.9W 9.3W

10M (28.500 Mhz) 4.3W 8.6W

Is it these values are in the average with most builders ???

===============================================
Jean-François Ménard / VA2VYZ
[hidden email]<mailto:[hidden email]>
Elecraft K2 #4130

Amateur Radio Club of Sherbrooke, Quebec, Canada

Web site: http://homepage.mac.com/jfmenard<http://homepage.mac.com/jfmenard>
===============================================
_______________________________________________
Elecraft mailing list
Post to: [hidden email]<mailto:[hidden email]>
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft<http://mailman.qth.net/mailman/listinfo/elecraft> Help: http://mailman.qth.net/subscribers.htm<http://mailman.qth.net/subscribershtm>
Elecraft web page: http://www.elecraft.com<http://www.elecraft.com/>
_______________________________________________
Elecraft mailing list
Post to: [hidden email]
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm
Elecraft web page: http://www.elecraft.com