[Elecraft] Front end protection

[Bob W7AVK]

Receiver protectors have been around for a long time.  Drake offered one 
for its line.   It had to be installed at the front end of the receive 
channel, which for most transceivers like the TR-7 required inside after 
the antenna T R switch or relay.

73  Bob  W7AVK


On 2/21/2017 6:33 AM, Ken G Kopp wrote:
> Mile,
>
> Google Buss "Picofuse".  Cushman two-way radio test equipment used to use
> them as protection from the inevitable uh-oh's.  Very small, plug-in with
> special screw-capped shielded holder.  Might be applicable.
>
> 73
>
> Ken - K0PP
>
> On Feb 21, 2017 07:23, "W0MU Mike Fatchett" <w0mu at w0mu.com> wrote:
>
>> Why is it that no manufacturer has created a field replaceable front end
>> protection scheme?  Many of us are using multiple radios or in Multiop
>> situations.  Stuff happens.
>>
>> In the case of the K3, D25 which we think has gone bad for whatever reason
>> in my radio is a surface mount diode that cost essentially nothing but is
>> not easily replaced.  Why?  Is there no way to provide an easier user
>> replaceable part or a cost effective protection circuit board that would be
>> field replaceable?
>>
>>
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to kengkopp at gmail.com
>>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to rolfb at accima.com
>