[Elecraft] W7BRS K2 #6665 RFC13, RFC15 mixup?

[Ron D'Eau Claire]

The subminiature RFC is no longer used. One of the larger units fits as
shown in Fig 6-14C with a little more bend to the leads to fit reach the
pads. 

The new instructions will read to choose the smaller of the chokes - if
there's any significant difference - for use at RFC15 to make it as easy as
possible to install. 

Ron AC7AC

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of W7BRS
Sent: Sunday, January 11, 2009 1:29 AM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] W7BRS K2 #6665 RFC13, RFC15 mixup?


Maybe some other K2 builder can help sort out the mixup and tell me if 
there is a problem:

RFC1, RFC2, RFC12, RFC13 and RFC15 are all nearly the same size except 
that One of them is a different color.  There is no "very small" RFC15.

There are five 100uH solenoidals total in my kit:

Four 100uH solenoidal are dark brown bodies with BRN-BLK-BRN-GOLD bands.

One 100uH solenoidal is the hair bigger, tan body, with BRN-BLK-BRN-GOLD
bands.

The tan 100uH is just a hair bigger than the other four dark body 100uH.

On page 53, step 5: The tan 100uH was chosen as  RFC13 before I realized I 
was also looking for a RFC15 (very small 100uH) on page 54.

See picture: http://w7brs.com/k2/rfc13.jpg

In this picture, RFC13 is mounted.  (the odd ball tan 100uH).  Resting on 
top of the board above it is a representitive of the four dark body 100uH 
that are nearly the same size to aid in explaining the difference.  Notice 
how close in size?

Can I simply proceed with these 100uH, or do I need the subminature RFC15 
for the underside step 1 on page 54?  Can I just use that dark body 100uH 
to replace the subminature 100uH?  Do I have a mixup that requires a new 
set of 100uH?


Oh by the way, my way of soldering the leads for the PLL board also 
includes my son's own LEGO radio; just for fun:

http://w7brs.com/k2/pll.jpg

Any advice on the RFC13/15 question would be appreicated.  Reply off-list 
please and I'll summarize and repost the resolution.

Thanks,

-jeff
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