I'm a little surprised the Quadra requires an external ALC voltage
developed by the rig. Is there any other modern amp that requires this?
I'm not aware of one.
73, Duane
On Fri, 2 Dec 2005 23:35:17 -0500 "Richard Cardwell"
<richardcardwell@adelphia.net> writes:
> Gang
>
> I am sorry to hear that the Orion does not include an external ALC
> control
> feature. All theother radios I know have this feature, so I am
> surprised to
> say the least.
>
> Does this mean the Orion II will not be conpatible with my Quadra? I
> can set
> the power to 80 watts or so, but the Quadra seems to use ALC contorl
> to
> manage some SWR problems it may run into.
>
> Rich AA2BY
>
> ----- Original Message -----
> From: <HeathlinerSB@aol.com>
> To: <orion@contesting.com>
> Sent: Tuesday, November 29, 2005 5:39 PM
> Subject: Re: [Orion] Orion - how with ALC?
>
>
> In einer eMail vom 29.11.2005 22:00:18 Westeuropäische Normalzeit
> schreibt
> n4py@arrl.net:
>
> The ALC in the Orion is internal only. There is no external ALC on
> any
> tentec radio. You simply adjust the "PWR" level on the Orion for
> the
> correct drive level when in CW mode. Then in SSB, the drive level
> will
> never be more than this value. You then adjust the mic gain level
> until
> the
> red ALC light on the Orion flickers on voice peaks. This will
> never
> overdrive your amplifier as long as the steady state PWR level is
> correct
> for CW mode.
>
> Carl Moreschi N4PY
> Franklinton, NC
> ----- Original Message -----
> From: <Milan Gütter>; "OK1FM" <ok1fm@ges.cz>
> To: <orion@contesting.com>
> Sent: Tuesday, November 29, 2005 3:53 PM
> Subject: [Orion] Orion - how with ALC?
>
> It seems to me very dangerous:
> If you are at "High Power", 100W, for working barefoot and then push
> the
> Tune switch (should be 20W), tuning starts with 100W and then
> -slowly- power
> goes down to 20 W.
> The same situation is, if you send with 100 W, then switch to RX,
> reduce
> power to a suitable level (let say: 50W for PA-driving) and TX
> again: You
> will
> start transmitting with full power, and the rig reduces slowly to
> 50W.
> I never had problems with my amp, it seems to be bulletproof. But i
> would
> not like to do this with a transistorized amp.
> Vy 73, Randolf, DL6KAI
>
>
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--------------------------------------
Duane Calvin, AC5AA
Austin, Texas
http://home.austin.rr.com/ac5aa
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