P
Paul Burridge
Guest
Are these terms equivalent and interchangeable?
--
"What is now proved was once only imagin'd." - William Blake, 1793.
--
"What is now proved was once only imagin'd." - William Blake, 1793.
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J
James Meyer
Guest
On Wed, 27 Oct 2004 12:14:01 +0100, Paul Burridge <pb@notthisbit.osiris1.co.uk>
wroth:
generator. While a current pump usually delivers a single specific charge
packet on a regular basis like an old fashioned lever style water pump will
deliver a specific volume of water with each full stroke of the handle.
Jim
wroth:
Not usually. A current source is usually a continuous or DC currentAre these terms equivalent and interchangeable?
generator. While a current pump usually delivers a single specific charge
packet on a regular basis like an old fashioned lever style water pump will
deliver a specific volume of water with each full stroke of the handle.
Jim
J
John Fields
Guest
On Wed, 27 Oct 2004 12:14:01 +0100, Paul Burridge
<pb@notthisbit.osiris1.co.uk> wrote:
If by 'current pump' you mean 'charge pump', then no, for the
reason(s) posted earlier. If you don't mean 'charge pump', then what
do you mean?
--
John Fields
<pb@notthisbit.osiris1.co.uk> wrote:
---Are these terms equivalent and interchangeable?
If by 'current pump' you mean 'charge pump', then no, for the
reason(s) posted earlier. If you don't mean 'charge pump', then what
do you mean?
--
John Fields
P
Paul Burridge
Guest
On Wed, 27 Oct 2004 09:03:51 -0500, John Fields
<jfields@austininstruments.com> wrote:
'net and elsewhere) the term "current pump" arises and I simply
wondered if it means the same as current source. If I can locate a
diagramme with one depicted, I'll post it, but the term doesn't crop
up as frequently as current source, which leaves me to wonder whether
that may be because it's
a) a less frequently used label for the same thing or,
b) something new/different that I haven't encountered as yet.
--
"What is now proved was once only imagin'd." - William Blake, 1793.
<jfields@austininstruments.com> wrote:
No, I don't mean a charge pump. In some texts I've come across (on theOn Wed, 27 Oct 2004 12:14:01 +0100, Paul Burridge
pb@notthisbit.osiris1.co.uk> wrote:
Are these terms equivalent and interchangeable?
---
If by 'current pump' you mean 'charge pump', then no, for the
reason(s) posted earlier. If you don't mean 'charge pump', then what
do you mean?
'net and elsewhere) the term "current pump" arises and I simply
wondered if it means the same as current source. If I can locate a
diagramme with one depicted, I'll post it, but the term doesn't crop
up as frequently as current source, which leaves me to wonder whether
that may be because it's
a) a less frequently used label for the same thing or,
b) something new/different that I haven't encountered as yet.
--
"What is now proved was once only imagin'd." - William Blake, 1793.
R
Rich Grise
Guest
On Wed, 27 Oct 2004 12:14:01 +0100, Paul Burridge wrote:
source" could incorporate components that could be identified as
"current pumps" - at least in my headbone, that sounds very much like
"charge pump", current merely being the movement of charge - and it's
almost intuitive that something called a "current pump" must have
some kind of "current source" incorporated into its design. Admittedly,
a charge pump could have simply voltage sources, but as soon as they
are presented with a resistive load, they sort of become current sources,
now don't they?
Hope This Helps!
Rich
No, but they are very intimately related. An assembly called a "currentAre these terms equivalent and interchangeable?
source" could incorporate components that could be identified as
"current pumps" - at least in my headbone, that sounds very much like
"charge pump", current merely being the movement of charge - and it's
almost intuitive that something called a "current pump" must have
some kind of "current source" incorporated into its design. Admittedly,
a charge pump could have simply voltage sources, but as soon as they
are presented with a resistive load, they sort of become current sources,
now don't they?
Hope This Helps!
Rich
J
Jonathan Kirwan
Guest
On Wed, 27 Oct 2004 11:35:07 GMT, James Meyer <jmeyer@nowhere.net> wrote:
Jon
Sounds exactly the same as a charge pump, then.A current source is usually a continuous or DC current
generator. While a current pump usually delivers a single specific charge
packet on a regular basis like an old fashioned lever style water pump will
deliver a specific volume of water with each full stroke of the handle.
Jon
M
Mac
Guest
On Wed, 27 Oct 2004 12:14:01 +0100, Paul Burridge wrote:
I don't really know what "current pump" means, but the Howland current
pump, which I met for the first time a couple of days ago on the Bob Pease
show, is definitely not a charge pump.
A charge pump is a circuit that pushes charge through a capacitor somehow.
I forget the details. I think the classic capacitor based voltage doubler
is an example of a charge pump.
--Mac
I added to your text. My additions are in square brackets.Are these terms [,charge pump and current pump,] equivalent and
interchangeable?
I don't really know what "current pump" means, but the Howland current
pump, which I met for the first time a couple of days ago on the Bob Pease
show, is definitely not a charge pump.
A charge pump is a circuit that pushes charge through a capacitor somehow.
I forget the details. I think the classic capacitor based voltage doubler
is an example of a charge pump.
--Mac