Empathy List Archives

G

ghf@hoffmann-hochfrequenz.de

Sat, May 25, 2024 1:35 PM

Has anybody out there used it?
Are there hidden surprises?

<
https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034

regards,

Gerhard DK4XP

Has anybody out there used it? Are there hidden surprises? < https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034 > regards, Gerhard DK4XP

B

breed@otelco.net

Sat, May 25, 2024 8:53 PM

The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with no
problem.
However my testing was limited.

I have two in dip packages ( 20 years old) that you can have.

Bill Reed

-----Original Message-----
From: Gerhard Hoffmann via time-nuts
Sent: Saturday, May 25, 2024 8:35 AM
To: Time Nuts
Cc: ghf@hoffmann-hochfrequenz.de
Subject: [time-nuts] Analog Devices AD9901 phase comparator

Has anybody out there used it?
Are there hidden surprises?

<
https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034

regards,

Gerhard DK4XP

time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com

The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with no problem. However my testing was limited. I have two in dip packages ( 20 years old) that you can have. Bill Reed -----Original Message----- From: Gerhard Hoffmann via time-nuts Sent: Saturday, May 25, 2024 8:35 AM To: Time Nuts Cc: ghf@hoffmann-hochfrequenz.de Subject: [time-nuts] Analog Devices AD9901 phase comparator Has anybody out there used it? Are there hidden surprises? < https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034 > regards, Gerhard DK4XP _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe send an email to time-nuts-leave@lists.febo.com

MF

Michael Fahmie

Sat, May 25, 2024 10:49 PM

I've used them in a number of designs, worked fine!
-Mike-

On Sat, May 25, 2024 at 8:23 AM Gerhard Hoffmann via time-nuts <
time-nuts@lists.febo.com> wrote:

Has anybody out there used it?
Are there hidden surprises?

<

https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034

regards,

Gerhard DK4XP

time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com

I've used them in a number of designs, worked fine! -Mike- On Sat, May 25, 2024 at 8:23 AM Gerhard Hoffmann via time-nuts < time-nuts@lists.febo.com> wrote: > Has anybody out there used it? > Are there hidden surprises? > > < > > https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034 > > > > regards, > > Gerhard DK4XP > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe send an email to time-nuts-leave@lists.febo.com >

JM

Jim Muehlberg

Tue, May 28, 2024 1:16 PM

I designed a PLL that uses the AD9901 about 20 years ago for the Atacama Large Millimeter Array Radio Interferometer. It is still in use today and is used to lock all the microwave LOs in the telescopes. Over 700 in use today.

Jim

From: Gerhard Hoffmann via time-nuts time-nuts@lists.febo.com
Sent: Saturday, May 25, 2024 9:35 AM
To: Time Nuts time-nuts@lists.febo.com
Cc: ghf@hoffmann-hochfrequenz.de ghf@hoffmann-hochfrequenz.de
Subject: [time-nuts] Analog Devices AD9901 phase comparator {External}

Has anybody out there used it?
Are there hidden surprises?

<
https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034

regards,

Gerhard DK4XP

time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com

I designed a PLL that uses the AD9901 about 20 years ago for the Atacama Large Millimeter Array Radio Interferometer. It is still in use today and is used to lock all the microwave LOs in the telescopes. Over 700 in use today. Jim ________________________________ From: Gerhard Hoffmann via time-nuts <time-nuts@lists.febo.com> Sent: Saturday, May 25, 2024 9:35 AM To: Time Nuts <time-nuts@lists.febo.com> Cc: ghf@hoffmann-hochfrequenz.de <ghf@hoffmann-hochfrequenz.de> Subject: [time-nuts] Analog Devices AD9901 phase comparator {External} Has anybody out there used it? Are there hidden surprises? < https://www.digikey.de/de/products/detail/analog-devices-inc/AD9901KPZ/820034 > regards, Gerhard DK4XP _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe send an email to time-nuts-leave@lists.febo.com

G

ghf@hoffmann-hochfrequenz.de

Tue, Jun 4, 2024 10:28 AM

Am 2024-05-25 22:53, schrieb Bill via time-nuts:

The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with
no problem.
However my testing was limited.

I have two in dip packages ( 20 years old) that you can have.

Oh, thanks for the offer, but I have enough of them in PLCC and DIP. :-)

I had made a VHDL translation, strictly following the AD data sheet.
Also included some prescaling and local 1pps generation.
The execution vehicle was a Xilinx Coolrunner2 CPLD which is end of life
now,
so I need a new CPLD and it's a good opportunity to compare performance.

The souped-up 4046 with backlash correction all seem to have gone.

best regards, Gerhard

Am 2024-05-25 22:53, schrieb Bill via time-nuts: > The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with > no problem. > However my testing was limited. > > I have two in dip packages ( 20 years old) that you can have. Oh, thanks for the offer, but I have enough of them in PLCC and DIP. :-) I had made a VHDL translation, strictly following the AD data sheet. Also included some prescaling and local 1pps generation. The execution vehicle was a Xilinx Coolrunner2 CPLD which is end of life now, so I need a new CPLD and it's a good opportunity to compare performance. The souped-up 4046 with backlash correction all seem to have gone. best regards, Gerhard

AB

Azelio Boriani

Tue, Jun 4, 2024 1:22 PM

"The souped-up 4046 with backlash correction all seem to have gone." ->
time to translate them to VHDL too.

On Tue, Jun 4, 2024 at 2:53 PM Gerhard Hoffmann via time-nuts <
time-nuts@lists.febo.com> wrote:

Am 2024-05-25 22:53, schrieb Bill via time-nuts:

The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with
no problem.
However my testing was limited.

I have two in dip packages ( 20 years old) that you can have.

Oh, thanks for the offer, but I have enough of them in PLCC and DIP. :-)

I had made a VHDL translation, strictly following the AD data sheet.
Also included some prescaling and local 1pps generation.
The execution vehicle was a Xilinx Coolrunner2 CPLD which is end of life
now,
so I need a new CPLD and it's a good opportunity to compare performance.

The souped-up 4046 with backlash correction all seem to have gone.

best regards, Gerhard

time-nuts mailing list -- time-nuts@lists.febo.com
To unsubscribe send an email to time-nuts-leave@lists.febo.com

"The souped-up 4046 with backlash correction all seem to have gone." -> time to translate them to VHDL too. On Tue, Jun 4, 2024 at 2:53 PM Gerhard Hoffmann via time-nuts < time-nuts@lists.febo.com> wrote: > Am 2024-05-25 22:53, schrieb Bill via time-nuts: > > The AD9901 is old. I used one in a 20 MHz loop about 20 years ago with > > no problem. > > However my testing was limited. > > > > I have two in dip packages ( 20 years old) that you can have. > > Oh, thanks for the offer, but I have enough of them in PLCC and DIP. :-) > > I had made a VHDL translation, strictly following the AD data sheet. > Also included some prescaling and local 1pps generation. > The execution vehicle was a Xilinx Coolrunner2 CPLD which is end of life > now, > so I need a new CPLD and it's a good opportunity to compare performance. > > The souped-up 4046 with backlash correction all seem to have gone. > > best regards, Gerhard > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe send an email to time-nuts-leave@lists.febo.com >