[time-nuts] Clock Driver Design

[Bob Bownes]

TV video distribution amps work very nicely. Even better if you open them
up and change the matching from 75ohm to 50. :)

Bob



On Thu, Sep 26, 2013 at 3:19 PM, Glenn Little WB4UIV <
glennmaillist at bellsouth.net> wrote:

> Would an analog video distribution amplifier work?
> These are available cheap.
> TV stations used these eight or so in a frame.
> The frame had a power supply and the BNC i/o connectors.
> Each da would drive 6 or 8 outputs.
>
> 73
> Glenn
> WB4UIV
> Retired TV CE.
>
>
>
> At 01:28 PM 9/26/2013, you wrote:
>
>> I am looking into various degrees of craziness.  The source is CMOS and
>> there are plenty of 1 in to N out parts designed to drive clocks on a PCB
>> but not much is said about driving clocks on to a random length of coax to
>> another piece of equipment and what additional precautions that might
>> warrant.  I am also considering making a sine wave output and maybe other
>> frequencies.
>> Tom
>>
>> On 9/26/2013 4:34 AM, Bob Camp wrote:
>>
>>> Hi
>>>
>>> Standard high speed CMOS logic works pretty well. How crazy are you
>>> trying to get?
>>>
>>> Bob
>>>
>>> On Sep 26, 2013, at 1:48 AM, Tom Minnis <Tom_minnis at att.net> wrote:
>>>
>>>  I am working on a small clock distributor and wanted to get some ideas
>>>> on what works best for 10MHz and 1PPS driver circuits.  I remember sifting
>>>> through the archives a year or so ago and tripped on some discussion of
>>>> this but I can't find it anymore.
>>>> Tom
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