[Drake] 2NT with a VFO??

[Dave Edwards]

But the Lafayette and the Hallicrafters has its' own built-in supply. Do you 
mean you used an additional
supply, and not the one built into the VFO?

....Dave

----- Original Message ----- 
From: "Edmund H. Ramm" <dk3uz at arrl.net>
To: <drake at mailman.qth.net>
Sent: Wednesday, December 29, 2010 11:06 AM
Subject: Re: [Drake] 2NT with a VFO??


> Dave Edwards <kd2e at comcast.net> writes:
>
>> Anyone using a Drake 2NT with a VFO?
>
>   I do.
>
>> [...]
>> I have had my 2NT connected to a Globe VFO, a Hallicrafters, a Lafayette,
>> and an HG10B. All of them either chirp or drift.
>> [...]
>
>   I've had my 2-NT connected to a Lafayette HA-90, a Heathkit HG-10B
> and a Hallicrafters HA-5. None of them chirp(ed).
>
>   The HA-5 doesn't drift after warm-up, because its oscillators
> run continuously. I left both the HA-90 and the HG-10B running
> continuously, too, and I shifted their frequency about 20kHz
> down on receive by means of a small capacitor and a relay. Further
> I always feed VFOs from a separate power supply with a separate
> heater transformer.
>
>   73, hny es HTH, Eddi ._._.
>
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