[Yaesu] FT1000D broadcast

[Jan Erik Holm]

The noise blanker IMD problem will cause 3:rd order IMD,
this is not the case here.
This problem is poor 2:nd order IMD performance due to
bad PIN diodes in the bandpass filter switching.
Fix is to replace those PIN diodes with better ones.
Many people have used HP5082-3081 diode however it is
expensive.
I have used the diode BA479, very low cost and works
perfect. Ofcourse there are other PIN diodes on the
market that can be used.

73 good luck / Jim SM2EKM
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Robin Thompson wrote:

> In message <000f01c4ad99$602697c0$60c8eb3e at Willem>, Willem Braeckevelt 
> <on5jy at village.uunet.be> writes
> 
>> Dr oms ,
>> Any help on my FT1000D i have in evening hours strong broadcasting 
>> interference on 17m 30m and little on 20m ?
>> If i put 40m dipole on 20m 17m 30m bands also broadcasting come up?
>> Any idea whats wrong on receiver?
>>
>>
>> 73's  Wim  ON5JY
> 
> Sounds like it could be a noise blanker/ IMD problem Wim.
> Have a look at some suggested mods for the FT1000  - this is a really 
> useful site !
> 
> http://www.angelfire.com/md/k3ky/page64.html
> 73
> Robin
> G3TKF