Yes, *raise* the trigger threshold.
tnx
Mike / W5JR
Alpharetta GA
> On Oct 14, 2015, at 5:44 AM, Barry N1EU <barry.n1eu@gmail.com> wrote:
>
> It might be a matter of terminology, but the technique actually involves
> RAISING the AGC Threshold so that gain compression only kicks in on the
> strongest signals and there's a linear gain curve for everything below that
> level. From s1 to s9 is a delta of ~48dB, so a full implementation of
> K3NA's advice (with HIGH headphone isolation) would involve a threshold set
> above s9.
>
> 73, Barry N1EU
>
>> On Tue, Oct 13, 2015 at 8:18 PM, W5JR Mike <w5jr.lists@gmail.com> wrote:
>>
>> That's exactly how I set mine up. Lower the AGC-T to where the band noise
>> and weak/moderately weak signals aren't hitting the threshold. So maybe
>> S4-5+ signals do hit the threshold. I'm able to still hear the "at noise
>> floor" signals without pain in the ears from strong signals. They're loud,
>> but manageable.
>>
>> tnx
>> Mike / W5JR
>> Alpharetta GA
>>
>>>> On Oct 13, 2015, at 6:25 PM, Stephen Hicks, N5AC <steve@flexradio.com>
>>> wrote:
>>>
>>>> On Tue, Oct 13, 2015 at 3:56 PM, Barry N1EU <barry.n1eu@gmail.com>
>> wrote:
>>>>
>>>> But my main
>>>> point here is that a high end xcvr vendor should hopefully not hamstring
>>>> the receiver AGC with a lower dynamic range and prevent such techniques.
>>>>
>>>> Thanks for listening & 73,
>>>> Barry N1EU
>>>
>>> You can certainly adjust the levels to whatever suits you -- I threw
>> 40dB
>>> out as a typical number. For more dynamic range, you can lower the AGC
>>> threshold. You can, of course, turn it off and have the full dynamic
>>> range, but I don't know of anyone that would find this comfortable.
>>>
>>> 73,
>>> Steve
>>>
>>>
>>> Stephen Hicks, N5AC
>>> VP Engineering
>>> FlexRadio Systems™
>>> 4616 W Howard Ln Ste 1-150
>>> Austin, TX 78728
>>> Phone: 512-535-4713 x205
>>> Email: steve@flexradio.com
>>> Web: www.flexradio.com
>>> Click Here for PGP Public Key
>>> <https://sites.google.com/a/flex-radio.com/pgp-public-keys/n5ac>
>>>
>>>
>>>
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