My thinking is the poly would take most of the ripple due to the lower ESR but the lytic could still provide the bulk capacitance.
Does that make sense?
.
Does that make sense?
.
-
Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
-
Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
-
You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
-
-
Re: What if you put a solid poly in parallel with a lytic?
yes.thats what will happen.a lytic will also do a bit better cleaning up low freq noise/ripple.
move to a more apropriate forum.Last edited by kc8adu; 09-18-2008, 04:03 PM. -
Re: What if you put a solid poly in parallel with a lytic?
do we here have an idea for extra durable mod?
although putting 2caps in lace of one doesn't need to be easiest thing to do.
i was putting(pairing) one cap on top of another(top to top. so to say) when i didn't have cap of proper value, and then pull the wires from top one to bottom one.
esr measurements proved that esr went down, just like one would expect with parallel resistors.
Comment
-
Re: What if you put a solid poly in parallel with a lytic?
Thought about something like that before.
Also might help where you have long rows of small diameter caps and you can't find small diameter replacements in low enough esr.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
-
Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
-
You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
-
Comment
-
Re: What if you put a solid poly in parallel with a lytic?
lead length could be an issue though in a vrm.Comment
-
Re: What if you put a solid poly in parallel with a lytic?
I thought of that.
I would put poly (whichever cap has lower ESR) on the leads which should help compensate for wire length.
I found the right caps for the project that brought this up anyway now but the question remained on my mind so I asked for future reference.
About previous comment:
What puzzles me is how with two caps in parallel one would be better at cleaning up low freq and the other better at high freq.
- What you said makes sense to me but it's contrary to what they teach about caps in parallel and frequency response. When two caps in parallel aren't the same caps that 'rule' goes *poof* and the math gets real nasty.
.Mann-Made Global Warming.
- We should be more concerned about the Intellectual Climate.
-
Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind.
- Dr Seuss
-
You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
-
Comment
-
I've got a bunch of Poly VVX-250 VOIP phones that work fine as kind as long as they are plugged into the wall wart. Recently I got around to install a couple of TP-Link 5 port POE switches that are added to the existing plain Jane 24 port unmanaged switch. Great!!! Finally I am able to ditch the wall warts from these phones making more space on the desk, plus I am gaining some badly needed power outlets. So I thought.
Plugged in the first VVX-250 into the POE switch, booted up no problem. Plugged in the other Poly phones and they start to boot anywhere from 5 to 15 seconds,...11-25-2023, 10:46 AM -
Hi everyone,
I'm probably going to ask a very noob question but after many readings and videos I'm still unsure on the answer.
I've broken one of the caps around the gpu of an xbox 360 by overheating it. In the forum I've found this thread where the user had exactly my situation (same console version and same broken caps): https://www.badcaps.net/forum/showthread.php?t=24983
The difference is that I've broken only one of the Rubycon caps (or at least that's what I can tell from a visual inspection). Now I'm planning to use a solid capacitor as replacement,... -
Hello, I'm new to the group and to trying to repair a LCD TV. During the past few years, I've been collecting/repairing/restoring vintage personal computers (Commodore, Apple II, Atari, TRS-80, Texas Instruments, and Timex Sinclair). This has been my retirement hobby. Now I've gotten interested in trying to repair a LCD TV that I have and used regularly when working on vintage computers.
The LCD I'm working on is a Insignia NS-LCD019. I've downloaded the service manual that I could find, but it must be a different revision since not too many items in the service manual match the TV... -
I need help to extend the runtime of the ups board (see attached image).
This is ups board for a CM4 which has 3 18650 cells in parallel. Can I extend the 3 cells to 6 cells for a longer runtime? by soldering a wire to each of the battery terminal and connecting it to a separate battery case with 6 cells.
Thanks and kind regards,
chaksindia... -
Hi all.
I recently picked up a dead car amplifier from the flea market, with the intention of learning some more in the area of audio repair.
It has a stereo output with an added mono woofer output. The stereo channels are on one board, whilst the woofer section is on a separate board. There are also three large (ish) transformers.
Apart from the fact that it was seriously dirty inside, it seems to be essentially complete with the only clearly damaged component being a toasted 1/4 watt resistor on the woofer board and it is this which I am wondering...
Comment