[600MRG] IC-735

[Kenneth G. Gordon]

On 25 Jan 2018 at 10:27, John Langridge wrote:

> >With some fairly easily "do-able" mods, yes. It will output 100 watts on 630 meters and about 5 
> watts on 2200 meters.
> 
> see my comments on an important practical aspect of using modified rigs here:  http:// 
> njdtechnologies.net/beware-of-modifying-amateur-rigs-on-472-khz-or-137-khz/
> 
> If you are making 100w on 630m with an IC735 thats likely something on the order of 99.5 watts 
> of harmonic content and 0.5w at 472...

Correct.

Jacek addresses that issue, and that is one reason he insists that one must modify the BP 
filters. His PDF goes into some detail on the harmonics problem and how to correct, or at 
least, minimize it.

He also says that if one REALLY wishes to use the IC-735 on 2200 meters, one MUST 
modify the BP filters accordingly, or use an external filter, which he describes.

Ken W7EKB

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