Re: International standards (2023 Update)

Allowing for it to get a bit hotter inside the (ventilated?) case, that's about top whack then: 2 A, and about 22 V on-load.

So your d.c output is limited to 1.1 to 1.2 A.

I read in sci.electronics.design that Terry Pinnell wrote (in ) about 'Estimating transfomer current rating?', on Wed, 11 Aug 2004:

What is heating it up, then? It certainly should NOT get 'too hot to touch.'

they

sail

Yous guys are weird..

The only one I can remember (from my dad) was:

Have you ever seen Sally McWhorter, She pisses a mightiful stream; She pisses a mile and a quarter, And you can't see her ass for the steam!

What this will tell you is the total power dissipation at the point where you decided the temp. rise is just right. Whatever the output VA is, regardless what secondaries you use in any combination, that's the output VA. i.e., just see to it that the total doesn't go over whatever the load is now.

That's actually pretty much all there is to it - it's about transformer losses anyway, right?

Cheers! Rich

.... These are all mil specs. The only way to get the value from this number is to have a friend in the Gov't procurement office look up the spec.

Or be in the military and look it up yourself. ;-)

The other option, of course, is a C meter.

Good Luck! Rich

I think the "trick" wasn't a trick at all. I've worked it all out days ago. Normally, I'd first try to divide output Z by in Z, but this had multiple feedback paths. Your "trick", IIRC was to evaluate the node to the right of the input R by seeing that the current in to and through R1 (Rs) to virtual gnd also flowed through whatever R it was that connected directly to Vout. That solved node Vx and thus the whole deal. I was looking at it ... I over complicated things.

TNX much.

The monolythics are smaller in outline, but thicker. They're in those cute little rectangular packages, with leads on multiples of .1" centers.

Personally, I use them because they're cool - especially when you find a bin with about 10,000x blue .1's in a liquidation lot. ;-)

Realistically, though, I'd think they'd be slightly more rugged, just because of the lower profile. And they might be better at despiking because the lead goes to more than one plate in the cap, ergo, less effective series inductance (I think. ;-) )

Cheers! Rich

A 4.5V wall wart, probably at least 500 mA, with two additional plugs spliced onto the cord. For the pointers themselves, a wood block the size of the 3 batts, with metal tabs where the contacts are. Connect these tabs to the mating connector, and figure out a way to attach that to the package, and you're good to go.

Watch out that the voltage of the wall wart doesn't go too high when there's only one pointer plugged into it. If worse comes to worst, put a 5.1V at least 1W zener to limit the voltage. (I assume the internal resistance of the supply will limit the zener current - that's what limits it when there are pointers plugged into it, after all.)

Have Fun! Rich

It shouldn't make a noticeable difference. The surface is plated with, essentially, solder. When the joint gets to the right temp, the solder flows just like with any properly-tinned part. Once the added solder wets the joint, the plating thickness becomes moot.

Hope This Helps! Rich

The 'forward' force of the wind upon the sails will be offset by the 'backward' force generated by the fan and the boat will not move...in theory. In practice, I would guess that it would actually move in a mostly backward motion because the force induced on the boat by the fan's wind on the sails would be less than the force induced on the boat by the fan itself.

I have designed a communication device that is being powered by 24V. It has two types connectors. The first provides the power and control signals, while the second provides communication to the outside world. The device is contained within a metallic box that is completely isolated.

It was found that some of the devices failed at initial power on, or due to a later cycling of the power. Those devices were found to pull the 24V DC rail down to < 5V DC and would draw in excess of 200mA. There is a possibility that the device fails to handle the system inrush current.

In my analysis we found there to be a short between the +3.3V supply and GND. When the +3.3V LDO and the Altera gate array that was driven by the +3.3V was replaced, the device functioned correctly.

On the input to the control signals, we are using a National Semiconductor LM2676 3A Step-Down Voltage Regulator to step down the voltage to +5V. We are then using a National Semiconductor LM3940 LDO Regulator to provide us with the required +3.3V for the Altera FPGA.

All the communication signals from the outside world are floating and are passed through transformers and Holt transceivers that are powered by the above +3.3V supply.

For those devices that the fault was found, the shield from the cables that provide communication to the outside world were not connected to the GND of the device. I have two devices where this connection was made and the fault did not occur.

Any suggestions of might be the source of the fault ? Suggestions have been made that a GND imbalance between my device and other devices it is connected to, may have caused damage to the components of my device (possibly large currents into my device). However I don't understand how this can happen when there is no connection between the other devices and the GND of my device via the cable shield ? Can spiking occur across a SM0805 footprint that could have caused damage to the gate array if the voltage difference gets high enough between the two grounds ? Also another point: In a normal connection where the cable shield does balance the grounds between devices ? why doesn't this balancing cause large currents to flow between the devices ?

Does anyone have any other suggestions ?

Ex 1 is a 2.2uF, 20V (at 85C or below) axial leaded tant cap. + marks polarity.

Ex 2 is a 2.7uF, 15V (at 85C or below) axial leaded tant cap. + marks polarity.

Ex 3 is a 2.2uF, 20V (at 85C or below) axial leaded tant cap. + marks polarity.

Ex 4 is a 2.7uF, 75V (at 85C or below) axial leaded tant cap. + marks polarity.

Ex 5 is a 2.2uF, 50V (at 85C or below) axial leaded tant cap. + marks polarity.

Ex 6, Don't know

and the captins cat was called hall it only had 1 ball its fravorate trick was to stand on its dick and fly shit up the chart room wall

Twas on the good ship Venus, By Christ you should have seen us; The figurehead Was a nude in bed Sucking a dead man's penis. Alternatives

Chorus:

Frigging in the rigging, Wanking on the planking, Tossing on the crossing, There was f*ck-all else to do.

The captain's name was Lugger. By Christ he was a bugger. He wasn't fit To shovel shit From one ship to another. The first mate's name was Carter. By God he was a farter. When the wind wouldn't blow, And the ship wouldn't go, Carter the farter was starter. The first mate's name was Carter. He was a champion farter He could fart anything from God Save the King To Beethoven's Moonlight Sonata. The second mate's name was Hopper. By God he had a whopper; Twice round the deck, Thrice round his neck, And up his arse for a stopper. The third mate's name was Breen he invented a wankin machine On the 99th stroke the friggin thing broke and whipped his balls to cream In the chart-room there was Andy, By Christ he had a dandy, Till they crushed his c*ck On a jagged rock For coming in the brandy. The bosun's name was Wear, He was a champion pee-er. He hosed the decks, He washed our necks, And made the captain's tea...er! The third mate's name was Morgan, By god he was a gorgon, From half past eight he played till late, Upon the captain's organ. The captain's name was Morgan, By Christ he was a gorgon. Ten times a day He'd stop and play With his f****ng organ. The captain's wife was Mabel, And by God was she able To give the crew Their daily screw Upon the galley table. The captain's daughter Charlotte, Was born and bred a harlot, Her thighs at night were lily white, By morning they were scarlet. Another daughter, Betty To screw was always ready She'd fornicate Withthe second mate And suck-off his bunkmate, Teddy The cabin boy was Kipper, By Christ he was a nipper. He stuffed his arse with broken glass And circumcised the skipper.

The cabin boy's name was Davy, We stole him from the navy And sat his bum In boiling rum For pissing in the gravy. The captain's lovely daughter Liked swimming in the water. Delighted squeals Came when some eels Swam into her sexual quarters. The captain's daughter, Mabel, Though young, was fresh and able, To fornicate with the second mate, Upon the chartroom table. The cook his name was Freeman, He was a dirty demon, He fed the crew On menstral stew And hymens fried in s**en. The chinese cook was Chang By christ had he a wang. To ring the bell and raise some hell He used his wang to clang

The ship's dog's name was Rover, We turned that poor thing over, And ground and ground that faithful hound From Tenerife to Dover. The ship's cat's name was Kitty, Her arse was black and shitty. Her little twot Was piping hot From a crew who knew no pitty And when we reached our station, Through skillful navigation, The ship got sunk in a wave of spunk, From too much fornication. Twas on the China Station, They won their first citation, They sunk a junk In a sea of spunk, By mutual masturbation

"Lewin A.R.W. Edwards" wrote in message news: snipped-for-privacy@posting.google.com...

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OR

'Twas on the good ship Venus By God, you should have seen us The figurehead was a w**re in bed Sucking a red hot penis CHORUS Friggin' in the riggin' Friggin' in the riggin' Friggin' in the riggin' There's f*ck all else to do

Alternative Chorus Friggin' in the riggin' Wankin' on the plankin' Masturbatin' on the gratin' There's f*ck all else to do

The captain of our lugger He was a dirty bugger He wasn't fit to shovel shit From one hold to another

CHORUS

The first mate's name was Morgan He was a sexual gorgon He'd stand on deck, a physical wreck A-strummin' his upright organ

CHORUS

Now second mate O'Malley He didn't dilly-dally He shot his bolt with such a jolt He whitewashed half the galley

CHORUS

The captain's wife was Mabel She'd take what she was able With the second mate she'd fornicate Upon the galley table

The engineer was Andy By God, he had a dandy They nailed his balls upon the wall For coming in the brandy

The cabin boy, the cabin boy The dirty little nipper He stuffed his ass with broken glass And circumcised the skipper

The bo'sun's name was Crupper By God, he had a whopper Twice round the deck, thrice round his neck And up his arse for a stopper

The third mate's name was Sandy His tool was long and bandy They stuffed his ass with molten brass For pissin' in the brandy

The steward's name was Paul He only had one ball But with that cracker he rolled tobaccer Around the cabin wall

The captain had a daughter Who fell into the water Contented squeals confirmed that eels Had found her sexual quarter

The bo'sun's mate was Walker By God, he was a corker The dirty sod had been in quod For dalliance with a porker

The OC navigation Was keen on masturbation He taught these joys to two small boys And gave them constipation

The cook his name was Freeman By God, he was a demon He fed the crew on menstrual stew And hymens fried in s**en

The ship's dog's name was Rover The crew they'd roll him over And bang his c*ck on every rock From John O'Groats to Dover

The boatswain's mate was Lester He was a hymen tester Through hymens thick he shoved his prick And left it there to fester

'Twas in the Adriatic Where the water's almost static The rise and fall of c*ck and ball Was almost automatic

'Twas on the China station By God, what a sensation For they sunk the junk in a sea of spunk Through mutual masturbation

So now we end this serial Through sheer lack of material I wish you luck, with every f*ck Free from disease venereal

Maybe run it a tad cooler too.

Mark L. Fergerson

Hi Travers, You need to keep the tips tinned and reduce the time the iron sits without being used.

They will nominally be at the same frequency barring differences in effective pulley diameter but they wouldn't necessarily be in sync. ie the AC crossover points would vary.

Sounds like I should let them gen DC and then

I Have an AC/DC Adapter that has a variable voltage settings. I figured i could use that to power my bread board. So i cut the connector and and stripped the wires. I found somethign i wasn't expecting to find.

There is 2 cables, 1 with a white plastic covering and the other is exposed copper (i think) wire.

I am kind of lost now, can anyone please provide some directtion. Thanks.