MessageView 421F schematic

For that money you can buy the scope !!
I have an HP 1715A, dual Channel, 200 MHz scope for that daily price
and you can own it.

Regards,

Dick, W1KSZ

On 14 Nov 2006 15:16:12 -0800, "billh" <billh@testequip.com> wrote:

Glenn, I have been involved in a rental company for about 20 years and
would be happy to help you.
I have a lot of scopes for rent and or sale or rent with option to buy.
see my link below.
http://testequip.com/sale/categories/10.html
Bill Hedrick, Instrument Rental Labs Broomfield, Colorado
303-469-5335




Glenn Kawesch wrote:
Hey guys/gals! Glenn Kawesch here and I am new to this group. I am in
need of a 2-channel, 60Mhz, Oscilloscope ( digital ). I found one
online that I can rent for $150/day. This seems high. Anyone else
have experience with this and/or could recommend a cheaper source?

The same company rents a Singe Mode OTDR for $500 per day!

Ouch!

Glenn Kawesch
Click to expand...
 
With no disrespect to "Bill" (see reply below) - that was "my" point -
exactly!

"Richard W. Solomon, W1KSZ" <w1ksz@earthlink.net> wrote in message
news:8p6nl21bhicvbclmotsnecq352jb8knfpu@4ax.com...
For that money you can buy the scope !!
I have an HP 1715A, dual Channel, 200 MHz scope for that daily price
and you can own it.

Regards,

Dick, W1KSZ

On 14 Nov 2006 15:16:12 -0800, "billh" <billh@testequip.com> wrote:

Glenn, I have been involved in a rental company for about 20 years and
would be happy to help you.
I have a lot of scopes for rent and or sale or rent with option to buy.
see my link below.
http://testequip.com/sale/categories/10.html
Bill Hedrick, Instrument Rental Labs Broomfield, Colorado
303-469-5335




Glenn Kawesch wrote:
Hey guys/gals! Glenn Kawesch here and I am new to this group. I am in
need of a 2-channel, 60Mhz, Oscilloscope ( digital ). I found one
online that I can rent for $150/day. This seems high. Anyone else
have experience with this and/or could recommend a cheaper source?

The same company rents a Singe Mode OTDR for $500 per day!

Ouch!

Glenn Kawesch
Click to expand...
 
Ryan and Juergen -

I see you discussing the 10391B Inverse Assembler software. I REALLY
need a copy. Ryan previously tried to reply to me but I have received
nothing. I'm giving my hotmail address, please one of you, reply
directly and lets see if we can get together.

I believe I have a Z80 Inverse assembler - I'll need to check, but I
believe I got it with my first 16500 logic analyzer _ I will be happy
to share it.

Cheers and please reply directly to: brucec_10@hotmail.com
Ryan Weihl wrote:
Juergen Sievers wrote:

Hi.

I'm searching for processor files for the HP 10931B inverse assembler
package. I want to compile and load it down to an HP16500B Logic
Analyzer. The priority is on Z80 and 650X series of uP but I take
everything I can get :)

j.

PS: The Assembler package itself I have already.

and google for "hp inverse assembler".

--
Click to expand...
 
hp_repair wrote:

Ryan and Juergen -

I see you discussing the 10391B Inverse Assembler software. I REALLY
need a copy. Ryan previously tried to reply to me but I have received
nothing. I'm giving my hotmail address, please one of you, reply
directly and lets see if we can get together.

I believe I have a Z80 Inverse assembler - I'll need to check, but I
believe I got it with my first 16500 logic analyzer _ I will be happy
to share it.

Cheers and please reply directly to: brucec_10@hotmail.com
Click to expand...

I sent the .zip file again to the hotmail addr this time
rw



Ryan Weihl wrote:
Juergen Sievers wrote:

Hi.

I'm searching for processor files for the HP 10931B inverse
assembler package. I want to compile and load it down to an
HP16500B Logic Analyzer. The priority is on Z80 and 650X series
of uP but I take everything I can get :)

j.

PS: The Assembler package itself I have already.

and google for "hp inverse assembler".

--
Click to expand...


--
 
Charles Schuler wrote:
"WAYNEL" <home@wlawson.co.uk> wrote in message
news:1167758522.890847.117500@42g2000cwt.googlegroups.com...
Can any one give a good explanation that is not so confusion concerning
the anode and cathode, relating to rechargable batteries and cells.


At the cathode of a cell you get a reduction and at the anode you get
oxidation.
Electrons flow into cathode of the cell and thus produce a high
alkiline around the electrode, OH-.
Although on a Porbaix diagram the most negative side has a H+?

In electronics the cathode is negative and the anode in positive and
electrons travel from negtive to positive therefore the positive
(anode), when charging, will connect to the to the cathode of the
battery and cathode to anode of a battery???

Electron flow is normally (forget zeners) from cathode to anode and
conventional current flow is opposite.

Diodes used as rectifiers used to have the cathode marked with a + symbol to
denote the positive end of the load circuit.

To turn on a diode (forget zeners) make the anode positive with respect to
the cathode.
Click to expand...
Several hours of searching revieled a good explanation which furthers
what the Green book
http://www.iupac.org/publications/books/gbook/green_book_2ed.pdf
says.
A chemistry nomenclature
http://www.ktf-split.hr/glossary/en_s.php?def=cathode

States.

cathode

Cathode is a negative electrode of an electrolytic cell to which
positively charged ions (cations) migrate when a current is passed as
in electroplating baths.

In a primary or secondary cell (battery or accumulator) the cathode is
the electrode that spontaneously becomes negative during discharge, and
form which therefore electrons emerge.

In vacuum electronic devices electrons are emitted by the cathode and
flow to the anode.



WayneL
 
WAYNEL wrote:
Can any one give a good explanation that is not so confusion concerning
the anode and cathode, relating to rechargable batteries and cells.


At the cathode of a cell you get a reduction and at the anode you get
oxidation.
Electrons flow into cathode of the cell and thus produce a high
alkiline around the electrode, OH-.
Although on a Porbaix diagram the most negative side has a H+?

In electronics the cathode is negative and the anode in positive and
electrons travel from negtive to positive therefore the positive
(anode), when charging, will connect to the to the cathode of the
battery and cathode to anode of a battery???
Click to expand...
Merriam-Webster online has this definition for cathode:
1 : the electrode of an electrochemical cell at which reduction occurs:
a : the negative terminal of an electrolytic cell b : the positive
terminal of a galvanic cell
2 : the electron-emitting electrode of an electron tube; broadly : the
negative electrode of a diode

The definition for anode is the mirror image of this.
Galvanic cells are batteries, and electrolytic cells are loads.
Electrical diodes are loads and the terminals are named like those of
electrolytic cells.
--
John
 
On 2 Jan 2007 13:59:16 -0800, "WAYNEL" <home@wlawson.co.uk> wrote:


Several hours of searching revieled a good explanation which furthers
what the Green book
http://www.iupac.org/publications/books/gbook/green_book_2ed.pdf
says.
A chemistry nomenclature
http://www.ktf-split.hr/glossary/en_s.php?def=cathode

States.

cathode

Cathode is a negative electrode of an electrolytic cell to which
positively charged ions (cations) migrate when a current is passed as
in electroplating baths.

In a primary or secondary cell (battery or accumulator) the cathode is
the electrode that spontaneously becomes negative during discharge, and
form which therefore electrons emerge.

In vacuum electronic devices electrons are emitted by the cathode and
flow to the anode.
Click to expand...
In chemistry class (back when there were only 4 elements)
the mnemonic that worked for me was that an "anion" was
"A Negative ION."

Hope this helps!



Bob Masta
dqatechATdaqartaDOTcom

D A Q A R T A
Data AcQuisition And Real-Time Analysis
www.daqarta.com
Scope, Spectrum, Spectrogram, Signal Generator
Science with your sound card!
 
On Tue, 2 Jan 2007 16:36:24 -0500, "Charles Schuler"
<charleschuler@comcast.net> wrote:

"WAYNEL" <home@wlawson.co.uk> wrote in message
news:1167758522.890847.117500@42g2000cwt.googlegroups.com...
Can any one give a good explanation that is not so confusion concerning
the anode and cathode, relating to rechargable batteries and cells.


At the cathode of a cell you get a reduction and at the anode you get
oxidation.
Electrons flow into cathode of the cell and thus produce a high
alkiline around the electrode, OH-.
Although on a Porbaix diagram the most negative side has a H+?

In electronics the cathode is negative and the anode in positive and
electrons travel from negtive to positive therefore the positive
(anode), when charging, will connect to the to the cathode of the
battery and cathode to anode of a battery???

Electron flow is normally (forget zeners) from cathode to anode and
conventional current flow is opposite.

Diodes used as rectifiers used to have the cathode marked with a + symbol to
denote the positive end of the load circuit.

To turn on a diode (forget zeners) make the anode positive with respect to
the cathode.

___
Click to expand...

In electrolysis situations, I usually remember polarities by:

RED CAT
REDuction is the process occurring at the CAThode.
Therefore, oxidation must be the process occurring at the anode.

LEO GER
Substances Losing Electrons are Oxidized. Substances Gaining
Electrons are Reduced.

By knowing the two mnemonics, RED CAT and LEO GER you've got it all.

If you took two carbon rods and stuck them into a copper chloride
solution, you could predict which one would produce the chlorine gas
and which one would have copper plated on it:

Cu+2 + 2e- ---> 2Cu
copper has GAINed electrons. GER. REDuction has occurred. This
must be the CAThode. Copper will be plated here when electrons are
supplied from a battery's electron supply side or (-) pole.

2Cl- ---> Cl2 + 2e-
chlorine has Lost Electrons. LEO. Oxidation has occurred. This
must be the Anode. Chlorine gas will be generated here when connected
to the battery's electron deficient side or (+) pole.
 
On Wed, 03 Jan 2007 18:25:36 GMT, Charles Jean
<alchemcj@earthlink.net> wrote:

On Tue, 2 Jan 2007 16:36:24 -0500, "Charles Schuler"
charleschuler@comcast.net> wrote:


"WAYNEL" <home@wlawson.co.uk> wrote in message
news:1167758522.890847.117500@42g2000cwt.googlegroups.com...
Can any one give a good explanation that is not so confusion concerning
the anode and cathode, relating to rechargable batteries and cells.


At the cathode of a cell you get a reduction and at the anode you get
oxidation.
Electrons flow into cathode of the cell and thus produce a high
alkiline around the electrode, OH-.
Although on a Porbaix diagram the most negative side has a H+?

In electronics the cathode is negative and the anode in positive and
electrons travel from negtive to positive therefore the positive
(anode), when charging, will connect to the to the cathode of the
battery and cathode to anode of a battery???

Electron flow is normally (forget zeners) from cathode to anode and
conventional current flow is opposite.

Diodes used as rectifiers used to have the cathode marked with a + symbol to
denote the positive end of the load circuit.

To turn on a diode (forget zeners) make the anode positive with respect to
the cathode.

___

In electrolysis situations, I usually remember polarities by:

RED CAT
REDuction is the process occurring at the CAThode.
Therefore, oxidation must be the process occurring at the anode.

LEO GER
Substances Losing Electrons are Oxidized. Substances Gaining
Electrons are Reduced.
Click to expand...
The mnemonic we learned for that is "LEO the lion roars, GER"

Best regards,




Bob Masta
dqatechATdaqartaDOTcom

D A Q A R T A
Data AcQuisition And Real-Time Analysis
www.daqarta.com
Scope, Spectrum, Spectrogram, Signal Generator
Science with your sound card!
 
The following is taken from the "Electrochemistry Dictionary"
http://electrochem.cwru.edu/ed/dict.htm

rechargeable battery
A battery in which the chemical reaction system providing the
electrical current is easily "chemically" reversible. After
discharging, it can be recharged by applying an electrical current to
its terminals. Some batteries can be recharged hundreds to thousands
times. See, e.g. the lead-acid battery. Also called "secondary"
battery, and "accumulator." Contrast with non-rechargeable battery.

It operates as a galvanic cell during discharge and as an electrolytic
cell during charge. As a consequence, the anode is the negative
electrode during discharge, while it is the positive electrode during
charge; at the same time, the cathode is the positive electrode during
discharge, while it is the negative electrode during charge. This can
create a confusing situation, and it is preferable to refer to the
electrodes of a rechargeable battery as "positive" and "negative,"
because this designation is independent of the operational mode.
Unfortunately, this nomenclature is not always followed. Often the
"negative" electrode is designated as anode and the "positive"
electrode is designated as cathode. This naming convention is a
carry-over from the convention of the non-rechargeable battery.


Good luck: ZN

WAYNEL wrote:
Can any one give a good explanation that is not so confusion concerning
the anode and cathode, relating to rechargable batteries and cells.


At the cathode of a cell you get a reduction and at the anode you get
oxidation.
Electrons flow into cathode of the cell and thus produce a high
alkiline around the electrode, OH-.
Although on a Porbaix diagram the most negative side has a H+?

In electronics the cathode is negative and the anode in positive and
electrons travel from negtive to positive therefore the positive
(anode), when charging, will connect to the to the cathode of the
battery and cathode to anode of a battery???

Cheers

WayneL
Click to expand...
 
On 1/4/07 2:17 PM, in article c2fnh.14142$Wy6.1039@newsfe1-win.ntli.net,
"Peter Wildsmith" <pwildsmith@ntlworld.com> wrote:

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Click to expand...
This is a Pyramid and it is NOT legal. You are either very gullible,
stupid, or a POS liar.
 
Don Bowey wrote:
On 1/4/07 2:17 PM, in article c2fnh.14142$Wy6.1039@newsfe1-win.ntli.net,
"Peter Wildsmith" <pwildsmith@ntlworld.com> wrote:

Make Lots of Money Quick, Easy & LEGAL with Paypal



This is a Pyramid and it is NOT legal. You are either very gullible,
stupid, or a POS liar.

And now you are responsible as well in reposting the whole shit...
Click to expand...
If you have to, at least kill the links in it.
 
On 2007-01-04, Bob Masta <NoSpam@daqarta.com> wrote:
On Wed, 03 Jan 2007 18:25:36 GMT, Charles Jean

The mnemonic we learned for that is "LEO the lion roars, GER"
Click to expand...
I find OIL RIG more connvenient:
Oxidation Is Loss, Reduction Is Gain.

Bye.
Jasen
 
Sjouke Burry <burrynulnulfour@ppllaanneett.nnlll> wrote in message
news:459db2b7$0$2019$ba620dc5@text.nova.planet.nl...
And now you are responsible as well in reposting the whole shit...
If you have to, at least kill the links in it.
Click to expand...
Part of the problem is that most people never relied on dialup. They just
*joined* the Internet through a broadband connection.

Certainly in recent years usenet (and the Internet) has become more and more
restricted for those on older systems. I always remember a major UK
supermarket I was working for in the mid-90's whom set up their website.
The images were like 90KBytes and full colour bitmaps, clearly an indication
that it worked fine on their network with the Directors going, "Oooooh," but
totally useless to everyone else.

The trouble is that owners of modern computers have no concept of what a
byte, kilobyte, megabyte, gigabyte is in real actual terms.
 
On Sat, 20 Jan 2007 08:03:07 -0600, philo wrote:

"Ziggy" <duff@nomail.invalid> wrote in message
news:Xns98BE80C9F79CC64A18E@127.0.0.1...
[7 quoted lines suppressed]

get a set of batteries like this:

http://www.plazaearth.com/philo/batt.jpg

they can ring your bell continuously for 25 years or so
Click to expand...
By the time ten minutes of continuous ringing has gone by, the advantage
will cease to be obvious. ;-)
 
Ziggy wrote:
What is the approximate battery life of the receiver of a wire free door
chime?

For the sake of argument, let's say the unit is used very little and the
receiver does not have a light.

{Here are some sample products from Argos http://tinyurl.com/2sb3r9}
Click to expand...
Our wireless doorbells seemed to do nothing but die, they were
totally hopeless, in the end I put a wired one in myself which
is still going strong, the wireless ones just seemed to stop
working for some reason after about 12 months and no end of
fiddling with them would get them working again, it also
seemed regardless of the amount of money we spent on them as
well.
 
Charlie Mitchell wrote:
The wired one I put in is just an old fashioned ding dong one,
it's not one that's wired into the mains, that really does
sound dangerous, epseically where my wiring skills are
concerned!!
Click to expand...
I've got a mains fire-bell[1] wired up to the phone line.

Owain


[1] Security bell actually, fire-bells don't run on mains
 
Owain wrote:
Charlie Mitchell wrote:
The wired one I put in is just an old fashioned ding dong one,
it's not one that's wired into the mains, that really does
sound dangerous, epseically where my wiring skills are
concerned!!

I've got a mains fire-bell[1] wired up to the phone line.

Owain


[1] Security bell actually, fire-bells don't run on mains
Click to expand...
Good god, it must be the equivalent of being woken up by being
kicked in the head!
 
Charlie Mitchell wrote:
wired up to the phone line.
[1] Security bell actually, fire-bells don't run on mains
Good god, it must be the equivalent of being woken up by being
kicked in the head!
Click to expand...
No, the klaxon on the alarm clock has that effect. I'm out of bed and
standing before I wake up!

I guess I just like my neighbours in the tenement to share in my
lifestyle...

Owain
 
On Sat, 20 Jan 2007 08:03:07 -0600, "philo"
<philo@privacy.net> wrote:

"Ziggy" <duff@nomail.invalid> wrote in message
news:Xns98BE80C9F79CC64A18E@127.0.0.1...
What is the approximate battery life of the receiver of a wire free door
chime?

For the sake of argument, let's say the unit is used very little and the
receiver does not have a light.



get a set of batteries like this:

http://www.plazaearth.com/philo/batt.jpg

they can ring your bell continuously for 25 years or so
Click to expand...

Unless those are of exotic construction, won't they have
self-discharged within a couple years' time?
 
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