[time-nuts] Lucent KS-24361 15 Mhz and 10 Mhz
kb8tq at n1k.org
Mon Dec 1 07:43:01 EST 2014
Given the level of phase noise on the Ref-0 10 MHz output, I would not *want* to use the same pin they get that off of ….
> On Dec 1, 2014, at 6:25 AM, Götz Romahn <goetz at g-romahn.de> wrote:
> @ Paul
> yes pin 1 of U206 is the input of a schmitt-trigger ( xxACT14 ) where the rectangular 10 MHz output on the Ref-0 Modul is generated.
> @ David
> 10 MHz is not available on the Ref-1 module, the one with antenna input (yea, but it is still at pin 1 of U206).
> Am 01.12.2014 04:09, :
>> OK so it was not as hard as I thought getting all of teh screws out. The
>> harder part is getting the actual board to slip out of the back.
>> After getting to the bottom I found a locked 10 Mhz signal on U206 pin 1
>> somewhat of a sine wave but compressed top and bottom at 5 V and pin 2 a
>> squared up version. Pin 1 goes off to several transistors. Also I have not
>> looked at the rest of u206.
>> So good or bad a tracking 10 Mhz exists. Not so easy to get to frankly.
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