[time-nuts] Prescaler

[EB4APL]

The first reference is a board for a two stage divider.  They mention 
that a /2 and a /5 chips can be combined, so you can make a /10 prescaler.

Regards,
Ignacio, EB4APL


El 27/03/2016 a las 23:24, Dave M escribió:
> Bob Albert via time-nuts wrote:
>> Does anyone know of an inexpensive prescaler for a counter that goes
>> beyond 2 GHz? I would actually like to find a kit but everything
>> seems a bit pricy. I currently have capability of 500 MHz and that
>> will stretch to about 700 with care. So a divide by 10 would be
>> ideal.
>>
>
>
> If you're good at kit-building, you might take a look at the Ebay 
> items 160703629055, 181982380658, 400265187641, and 60703624281. These 
> are PCBs made to specifically fit a number of frequency divider 
> chips.  Each board holds a single divider chip and associated 
> components, such as the decoupling caps, bias resistors, and pads for 
> interconnections.
> A series of these boards that add up to a divide-by-100 can get you to 
> 2 - 5GHz easily. I've never used any of these boards or dividers, but 
> I have used a few of the seller's amplifier boards, with great success.
>
> There's also a construction article from Silicon Chip magazine (Oct, 
> 2006) dedicated to constructing a 2.8 GHz 1000:1 prescaler for 
> counters.  The PCB layout and all the active parts are available.  
> Send me an email for a copy of the article.
>
> I don't know of any prescaler chips that get you a divide-by-10 
> prescaler at your target frequency range.  There might be (probably 
> is) one available... I just haven't run across it.
>
> BTW, which frequency counter do you have?  There might be a better 
> solution for you than an external prescaler.
>
> Cheers,
> Dave M