Wow, thanks for all the information.
Thanks Bruce Griffiths, the LTC6957 is expensive but looks very good
for sine to square wave conversion.
Thanks Lester Veenstra for the details on some of the devices on the
interface PCA and the link to the TLV3501 signal conditioning module.
Thanks Bob
Missing body of my previous message (I hope):
As others have said, there are a number of versions of the 5328A
oscillator support board. Yours looks like it is from a MIL version of
the 5328A with the 10811 OCXO. Attached is the most-likely schematic,
which is from the manual for the
On 9/1/2020 10:24 PM, Manfred Bartz wrote:
Hi all,
I bought 2 x 10811 OCXOs for a 10MHz GPSDO project I am working on.
The OCXOs came with an interface board HP 05328-20027, see attached
Manfred, the -hp- system of numbering would indicate that this was from
a 5328 counter. There are two
Manfred wrote:
I bought 2 x 10811 OCXOs for a 10MHz GPSDO project I am working on.
The OCXOs came with an interface board HP 05328-20027, see attached
pictures.
The 05328-20027 "Oscillator Support Assembly" (also, the 05328-60027
"Oscillator Support Assembly") was used to interface an HP
quot;Discussion of precise time and frequency measurement"
Sent: Wednesday, September 2, 2020 12:24:21 AM
Subject: [time-nuts] HP-10811AB-OCXO interface questions
Hi all,
I bought 2 x 10811 OCXOs for a 10MHz GPSDO project I am working on.
The OCXOs came with an interface board HP 05328
Look in the HP5328A counter manual for the circuit - that's what this
came from, indicated by the board marking. Seems like an awful lot of
extra circuitry to support the OCXO. The only thing I can think of
offhand is it may be a PLL circuit to allow locking to an external
reference. You'll
>
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell NJ 07731
> 848-245-9115
>
> -Original Message-
> From: time-nuts On Behalf Of Bruce
> Griffiths
> Sent: Wednesday, September 2, 2020 1:46 AM
> To: Discussion of precise time and frequency measurement
: [time-nuts] HP-10811AB-OCXO interface questions
I remember the days when we had to build our own discrete Schmitt trigger to
do this. 73 - Mike
Mike B. Feher, N4FS
89 Arnold Blvd.
Howell NJ 07731
848-245-9115
-Original Message-
From: time-nuts On Behalf Of Bruce
Griffiths
Sent: Wednesday
of precise time and frequency measurement
Subject: Re: [time-nuts] HP-10811AB-OCXO interface questions
For sine to square wave conversion use LTC6957 (select variant to suit
following logic).
Bruce
___
time-nuts mailing list -- time-nuts@lists.febo.com
Hi
> On Sep 2, 2020, at 1:24 AM, Manfred Bartz wrote:
>
> Hi all,
>
> I bought 2 x 10811 OCXOs for a 10MHz GPSDO project I am working on.
> The OCXOs came with an interface board HP 05328-20027, see attached
> pictures.
>
> Questions:
> 1. Is it worth keeping the interface board?
They make
For sine to square wave conversion use LTC6957 (select variant to suit
following logic).
Bruce
> On 02 September 2020 at 17:24 Manfred Bartz mailto:vk3...@gmail.com > wrote:
>
>
> Hi all,
>
> I bought 2 x 10811 OCXOs for a 10MHz GPSDO project I am working on.
> The OCXOs came
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