[R-1051] 100 cps Synthesizer module

[paul swed]

Interesting I did take a look in my actual manual. It does not have the
100hz info. The older r1051s jumped in 500 hz steps.
So I am completely blind to whats inside even though my 1051 has that 100
hz step.
Do you have documentation?

On Sun, Mar 4, 2012 at 11:10 AM, paul swed <paulswedb at gmail.com> wrote:

> Boy no expert.
> The alcohol is acting as a cooling agent. (Never thought of using it that
> way before. Good trick.) The ICs should be RTL logic for that time frame.
> That can be confirmed by the voltage feeding them. 3.6 V for RTL.
> If its 5 V they are most likely DTL or TTL. I know there is little info on
> the net for RTL and even DTL. However more modern logic families could
> indeed replace those chips if worse came to worse.
> I will not have time to look atthe logic for at least a week. Travel.
> Good luck
> Paul
> WB8TSL
>
>
> On Sun, Mar 4, 2012 at 10:53 AM, Steve Hobensack <
> stevehobensack at hotmail.com> wrote:
>
>>
>> I am having intermittent trouble with the 100 cps module. If I touch the
>> sl6907 / sl3144  (IC1)integrated circuit (divide by ten) with
>> a denatured alcohol swab, the problem will go away a short time. I cannot
>> cross reference this ic on the internet. Any help
>> on this ? Thanks
>> Steve N8YE
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