[time-nuts] Digital Mixing with a BeagleBone Black and D Flip Flop

Daniel Mendes dmendesf at gmail.com
Wed Oct 15 21:36:33 EDT 2014


You beat me :)

http://www.potatosemi.com/

They  sell low quantities thru Ebay, like this:

http://www.ebay.com/itm/7400-G-Series-GHz-TTL-CMOS-logic-IC-14pin-SOIC-QTY-1-/330772425575?pt=LH_DefaultDomain_0&hash=item4d0392ab67

Daniel

On 15/10/2014 21:02, Bert Kehren via time-nuts wrote:
> Take a look at Potato chips yes Potato I have used them with good  results
>    Bert Kehren
>   
> 330551715157
>   
>   
> In a message dated 10/15/2014 6:44:47 P.M. Eastern Daylight Time,
> kb8tq at n1k.org writes:
>
> Hi
>
> Most ECL families have more trouble with 1/F noise than  fast silicon
> saturated logic. That makes them poor candidates for this sort of  thing.
>
> Bob
>
> On Oct 15, 2014, at 9:13 AM, Gerhard Hoffmann  <dk4xp at arcor.de> wrote:
>
>> Am 15.10.2014 um 11:29 schrieb Bruce  Griffiths:
>>> Typically a 74HC164 shift register has internal cycle  to cycle sampling
> jitter of about 4ps or so when used as a mixer, a 74AC  device has about
> 1/4 of this jitter or around 1ps. Faster CMOS devices have  even less internal
> jitter.
>> Hi,
>> do you have any data  on MC100EP51 & friends? In the datasheet they seem
> to claim
>> sth.  in the low ps also, which would be disappointing in comparison to
> 74AC or  74LVC
>> regards,  Gerhard
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