[Elecraft] K3 Buffer Mod

Don Wilhelm w3fpr at embarqmail.com
Fri Aug 22 08:09:32 EDT 2008


Tony,

Since this is not a high frequency area, there should be little 
performance difference (if any) between SMD parts and axial leaded 
parts.  The more relevant consideration is physical fit.  If you have 
1/8 watt resistors it would be easier than 1/4 watt, but you should be 
able to get the 1/4 watt parts in there.

73,
Don W3FPR

N2TK wrote:
>  Jim,
> The reason I ask about using regular resistors instead of SM resistors is
> that I don't have the correct value SM resistors. If there is a degradation
> in performance with film axial lead resistors I will get the SM resistors.
> It is not a question of qualification of mounting SM components.
> 
> 73,
> N2TK, Tony  
> 
> 
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jim Cox
> Sent: Thursday, August 21, 2008 8:55 PM
> To: Don Rasmussen; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3 Buffer Mod
> 
> It sounds like Tony should leave the K3 as is.   Dont screw it up unless 
> your qualified to make the mods.   Jim K4JAF
> 
> 
> ----- Original Message ----- 
> From: "Don Rasmussen" <wb8yqj at yahoo.com>
> To: <elecraft at mailman.qth.net>
> Sent: Thursday, August 21, 2008 7:06 PM
> Subject: [Elecraft] K3 Buffer Mod
> 
> 
>> Tony,
>>
>> I have the LP-Pan with recommended Creative Labs E-MU
>> 0202 and find this to be optimal, I mean no reason to
>> make a mod of any type to K3. If someone told you that
>> this must be done, I'd want to see why with my own
>> eyes before doing this job.
>>
>> IMO (in my opinion) you don't "work" with SMD on K3,
>> they fly around like little fleas even if you use a
>> pair of 15w irons to remove them. They are just that
>> small. But you can get them off without any major
>> damage, find them, and carefully replace them - *when
>> necessary*. YMMV...
>>
>> de wb8yqj
>>
>> Previous message: [Elecraft] K3 Buffer Mod
>> Next message: [Elecraft] K2/100 LOCKUP THOUGHTS?
>>
>>
>> Should I expect any negative impacts if I used
>> regular resistors in place
>> of SM resistors for this mod?
>>
>> N2TK, Tony
>>
>>
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