[time-nuts] WWVB PM Receiver

paul swed paulswedb at gmail.com
Wed Sep 26 14:11:54 UTC 2012


Thats what I was reading. But have to say I have never seen a commercial
divider chain that could be changed. The spectracoms divide to 20 Khz and
mult by 3. So would like to see that circuit.
Regards
Paul

On Wed, Sep 26, 2012 at 10:00 AM, David McGaw <n1hac at alum.dartmouth.org>wrote:

> As I read it, the feedback divider was reprogrammed.
>
> David
>
>
>
> On 9/26/12 9:49 AM, paul swed wrote:
>
>> Also curious on the rcvrs doubling to 120 KHz another multiplier or did
>> the
>> rcvr happen to have a way to change that frequency? The note says that the
>> rcvr local carrier doubled.
>> Regards
>> Paul
>>
>> On Wed, Sep 26, 2012 at 9:18 AM, J. Forster <jfor at quikus.com> wrote:
>>
>>  Have you actually tried it and gotten it working, except possibly in a
>>> very strong signal area?
>>>
>>> -John
>>>
>>> ================
>>>
>>>
>>>
>>>  Hi,
>>>>
>>>> From: "Bob Camp" <lists at rtty.us>
>>>>
>>>>  A tuned antenna probably is going to provide all the selectivity you'd
>>>>> need.
>>>>>
>>>> Another possibility is to modify your old circuit like that:
>>>> http://www.maxmcarter.com/**rubidium/2012_mod/index.html<http://www.maxmcarter.com/rubidium/2012_mod/index.html>
>>>>
>>>> Bye,
>>>> Jean-Louis
>>>>
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