Hello,
All I have is an ancient R3361. Afaik it doesn't even have a clock. I also have no system menu, only a key labeled Menu but it does not do much.
Tam
------------------------------------------------------------------------
With best regards
Tam HANNA (emailing on a BlackBerry PRIV)
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Am 16. April 2020 20:47:14 MESZ schrieb Jesse Lackey <jesse@...>:
Hello all, I'm hoping someone happens to have this unit or related and
can confirm a dumb little thing for me.
I realize this list is for HP gear. If that is strict, let me know and
I apologize in advance. I'm relatively new here. (I do have an HP
4192A 13Mhz impedance analyzer, three HP 3245A universal source units
I'm refurbing, and three 34401A multimeters!)
I bought the Advantest VNA at an auction recently, and the date+time is
forever Midnight Jan 1 1970. The battery was dead (probably long dead),
I replaced it, and ... still nothing. I can't set the date/time, and
the timestamp on the display don't change, curiously. Simply not
running, and all attempts to set it fail. Which is particularly curious.
I can save/restore configurations fine.
The next step is to replace the RTC chip, it is the Epson RTC62423A,
obsolete but obtainable. The crystal is in the chip, and there is no
clock output (firmware reads/writes registers to read/set the time), so
it isn't easily verified via a scope if it is internally running or not.
When the VNA boots up, the RTC self test passes, another curious
thing. It may be only that this chip responds, not that it is actually
counting time.
What would be great to know, as a total newbie with this unit, is that I
am in fact trying to set the time correctly. Here's what I do:
System -> Set Clock -> Year, and the display says 1970. I key in 1971
and press the Year softkey again. The display jumps back to 1970. This
behavior is the same for month/day/hour/min/second.
Thanks all!
J
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Tubuler film???? The metalized comment makes me think back to the
metal film days.

Purchased parts list says:
Metalized paper as you showed except 250VAC(RMS)
From Artiebolaget Rfia p/n PME 271 M 610. In ‘78 cost a whole $.31

Steve

Regards,

Stephen Hanselman
Datagate Systems, LLC

On Apr 16, 2020, at 13:43, Bruce <bruce@...> wrote:

?OK so I looked them on Keysight find a part - still available.

Part 0160-4065 Zapacitor .1uf +20% 630V Metalized TFT Price $4.30

Anybody know what TFT stands for ??

Cheers!


Quoting "Greg Muir via groups.io" <big_sky_explorer@...>:

Why not look at something like the Vishay 20VL series capacitor?



I see Mouser has the 0.1 uF/400VAC one (stock # 75-20VLP10-R) in
their stock for $4 and change.

Greg

On Apr 16, 2020, at 13:43, Bruce <bruce@...> wrote:

?OK so I looked them on Keysight find a part - still available.

Part 0160-4065 ?Zapacitor .1uf +20% 630V Metalized TFT ?Price $4.30

Anybody know what TFT stands for ??

Cheers!


Quoting "Greg Muir via groups.io" <big_sky_explorer@...>:

Why not look at something like the Vishay 20VL series capacitor?

https://www.vishay.com/docs/23107/20vl.pdf

I see Mouser has the 0.1 uF/400VAC one (stock # 75-20VLP10-R) in their stock for $4 and change.

Greg

Why not look at something like the Vishay 20VL series capacitor?



I see Mouser has the 0.1 uF/400VAC one (stock # 75-20VLP10-R) in their stock for $4 and change.

Greg

On Apr 16, 2020, at 13:05, Szabolcs Szigeti <szigiszabolcs@...> wrote:

?

Hi,

Is it possible to calibrate a 431C power meter with a 8477A or do I need a 8402A for this?

Thanks.

Szabolcs

?

?

?

Hello all, I'm hoping someone happens to have this unit or related and 
can confirm a dumb little thing for me.

I realize this list is for HP gear.  If that is strict, let me know and 
I apologize in advance.  I'm relatively new here.  (I do have an HP 
4192A 13Mhz impedance analyzer, three HP 3245A universal source units 
I'm refurbing, and three 34401A multimeters!)

I bought the Advantest VNA at an auction recently, and the date+time is 
forever Midnight Jan 1 1970.  The battery was dead (probably long dead), 
I replaced it, and ... still nothing.  I can't set the date/time, and 
the timestamp on the display don't change, curiously.  Simply not 
running, and all attempts to set it fail.  Which is particularly curious.

I can save/restore configurations fine.

The next step is to replace the RTC chip, it is the Epson RTC62423A, 
obsolete but obtainable.  The crystal is in the chip, and there is no 
clock output (firmware reads/writes registers to read/set the time), so 
it isn't easily verified via a scope if it is internally running or not. 
  When the VNA boots up, the RTC self test passes, another curious 
thing.  It may be only that this chip responds, not that it is actually 
counting time.

What would be great to know, as a total newbie with this unit, is that I 
am in fact trying to set the time correctly.  Here's what I do:
System -> Set Clock -> Year, and the display says 1970.  I key in 1971 
and press the Year softkey again.  The display jumps back to 1970.  This 
behavior is the same for month/day/hour/min/second.

Thanks all!
J
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  Oh, oh oh.  You had me scared for a minute.  "The late" means "he
died", man.  Not cool, please don't say that unless someone has actually
died.  That's more important now than ever.

  I talked with him a couple of years ago, he was doing fine.

           -Dave

On 4/16/20 2:41 PM, Tam Hanna wrote:
Yeah. That dude went monk mode last time I heard. No idea...wish him well...
With best regards
Tam HANNA (emailing on a BlackBerry PRIV)

Enjoy electronics? Join 14k other followers by visiting the Crazy
Electronics Lab at 

Am 16. April 2020 20:39:02 MESZ schrieb Dave McGuire
<mcguire@...>:

    On 4/16/20 2:04 PM, Tam Hanna wrote:

        As for the 53310A: not sure if it pays. You would need to use an
        FPGA to
        harvest the digital data being farted out. I wanted to do it
        once, but
        never had the time. However, afaik, the video board on these
        units is a
        separate board (as per the late Jzon Geller), and some
        instructions in
        the service manual of the 53310A even give some data about the
        pinout.


      You don't mean Joe Geller?  "The late"?

                -Dave

    -- 
    Dave McGuire, AK4HZ
    New Kensington, PA
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-- 
Dave McGuire, AK4HZ
New Kensington, PA
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Yeah. That dude went monk mode last time I heard. No idea...wish him well...
------------------------------------------------------------------------
With best regards
Tam HANNA (emailing on a BlackBerry PRIV)

Enjoy electronics? Join 14k other followers by visiting the Crazy
Electronics Lab at

Am 16. April 2020 20:39:02 MESZ schrieb Dave McGuire
<mcguire@...>:

On 4/16/20 2:04 PM, Tam Hanna wrote:

As for the 53310A: not sure if it pays. You would need to use an
FPGA to
harvest the digital data being farted out. I wanted to do it
once, but
never had the time. However, afaik, the video board on these
units is a
separate board (as per the late Jzon Geller), and some
instructions in
the service manual of the 53310A even give some data about the
pinout.


You don't mean Joe Geller? "The late"?

-Dave

--
Dave McGuire, AK4HZ
New Kensington, PA
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