[ARC5] A Heterodyne Sweep Generator

[Geoff]

Or its predecessor 6SB7Y if you prefer keeping with octals (-;
The only receiver Ive seen a 6BA7 perform well is the NC-300/303

Carl

----- Original Message ----- 
From: "Ian Wilson" <ianmwilson73 at gmail.com>
To: "David Stinson" <arc5 at ix.netcom.com>
Cc: "ARC-5" <arc5 at mailman.qth.net>
Sent: Thursday, March 13, 2014 11:38 AM
Subject: Re: [ARC5] A Heterodyne Sweep Generator


> You can use a low-impedance load to stop the output from saturating.
> But this device is really meant for small voltages/currents - in that
> region,
> it works pretty well.
>
> Of course if you are dealing with real voltages then use a 6BA7 :)
>
> 73, ian K3IMW
>
>
>
> On Thu, Mar 13, 2014 at 8:20 AM, David Stinson <arc5 at ix.netcom.com> wrote:
>
>>
>>
>>  The NE602 has a useful amount of conversion gain - an advantage in
>>> receiver applications (which is what it was designed for) - and often a
>>> disadvantage in frequency-conversion applications,...
>>>
>>
>> Can the gain be throttled with negative feedback?
>> I've used them but never looked into this.
>> Back to yard work!
>>
>> 73 Dave AB5S
>>
>>
>>
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