[ICOM] ICOM's on AM

Warren Elly w1gud at tampabay.rr.com
Tue Dec 19 12:45:37 EST 2006


Ed...I keep looking for this spike you're talking about.
I can't find one with the 7800 or the 706mIIg. How do I get it to  
happen?
I've been using my icoms on AM for years, adjusted correctly they  
sound terrific.

73, Warren W1GUD

On Dec 17, 2006, at 9:08 PM, Patrick A. Thompson Sr. wrote:

> I've heard it suggested that you might use a fixed ALC voltage  
> level derived from a nine volt battery (or other good supply) using  
> a voltage divider. I have not done this myself.
>
> Pat
> wa4tuk
>
> Ed Purvis wrote:
>>    I have asked this question more than once with
>> little response. Will try again.
>>    Is there an ICOM HF rig that does not have the
>> full output power spike on AM. My scope shows a
>> 100 watt spike when the carrier is set to recco-
>> mended level (20watts). This is not good for us-
>> ing an amplifier.
>>     If I need to consider another brand of radio,
>> please let me know what has worked well. Just
>> want casual AM operation when too lazy to fire
>> up the tube stuff.
>>      Thanks for all the other great info from
>> this site.
>>     (746PRO, 706MKII)
>>                              Ed
>>                        Ed Purvis WA4NJY
>>         Amateur radio since
>>          1963, tube-type most
>>          of the time.
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> ----
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