Absurdly Dangerous Militarization of America's Police

And you are posting to sci.electronics.design because you find it interesting, even though it has nothing to do with electronics?

I'd take it kindly if you didn't do it again.

An ostrich eventually gets kicked in the ass,or worse. In this case,Herr Obama will be doing a LOT of kicking with help from his cop "friends". He has already illegally trashed thousands of corporate contracts (remember GM?) and trashed various parts of the Constitution (TSA, Homeland Security, etc).

Well? They _are_ coming to get Slowman, aren't they ?:-) ...Jim Thompson

... snip...

2) And the media would have us believe that its only criminals who have and use dangerous weapons.

Actually, should these things not be classed as WMDs ? Look what happened to Saddam Hussein ?

sting, even though it has nothing to do with electronics?

e finds it amusing that you request others not to follow suit.

I don't initiate off-topic threads, though I do participate in off-topic th reads that others initiate. Quite a few threads that start up on-topic have been known to move into to off-topic areas. You've been vocal on perceived personality defects from time to time.

rubbish" disturbing?

The word is "torpor". You seem to have inadvertently created a blend with " turpitude" and "stupor".

Greegor does get up my nose, and to that extent he moves me to react to his posts. I wouldn't describe my non-posting condition as torpor - I'm just d oing other stuff of no particular significance.

I was amazed to see this from a self proclaimed "progressive" writer. What kind of diodes do they use in these skull crushing tanks? Did you see where our government was going to destroy or abandon machines like this in Afghanistan that barely got used? They cost us many BILLIONS to build yet they won't even haul them back to US bases. I never saw any rationalization of that. Is it possible that our military doesn't want wheeled tanks like this? Is that because drones will outmode most of the police______military force anyway?

Den tirsdag den 14. januar 2014 01.10.40 UTC+1 skrev Greegor:

both side of the mud slinging fence like to say they create jobs one side just prefer that those jobs involve things painted in camouflage so they won't be accused of being socialist

and if any of them start to think it is a waste of money there's a horde of lobbyist standing in line to put them in place

-Lasse

On Mon, 13 Jan 2014 09:22:11 -0700, Jim Thompson Gave us:

Can we fine them for being two decades late?

Other recipients: wrote: >>On Tuesday, 14 January 2014 03:00:24 UTC+11, ..."

Now how the hell is that supposed to knockout a tank ?

of the argument.

How so? It was exactly what I was objecting to.

off-topic posting.

Not so much laissez-faire as an enthusiastic initiator when it comes to taking existing threads off-topic.

Your idea of fun involves a pair of inductors with a coupling factor of exactly one and no associated capacitance.

Simulating a circuit which you couldn't possibly build because it depends on an ideal - and non-existent - component isn't a sensible way of occupying your time.

It rather reminds me of your low-current 100kHz oscillator, which also depended on an inductor with no inter-turn capacitance.

On Tue, 14 Jan 2014 20:40:32 -0800 (PST), Bill Sloman initiated this off-topic thread after having written:

"I don't initiate off-topic threads, though I do participate in off-topic threads that others initiate." to:

news: snipped-for-privacy@googlegroups.com

JF

On Wednesday, 15 January 2014 21:35:46 UTC+11, John Fields wrote:

interesting, even though it has nothing to do with electronics?

le, one finds it amusing that you request others not to follow suit.

pic threads that others initiate.

the argument.

For those with normal reading comprehension, the inference was obvious enou gh not to need to be explicitly spelled out for the sake of the implication

-blind.

meaning would likely have been clear.

I'm sure it was perfectly clear to anybody with normal powers of comprehens ion and inference detection. Posting it in the verbal equivalent of braille would have struck most readers as being fussy and overly pedantic.

to to off-topic areas. You've been vocal on perceived personality defects f rom time to time.

posting.

taking existing threads off-topic.

r join threads that have already been ruined by having been taken off topic .

Well that is the way you would remember it, along with the eventual triumph of your relentless logic. More objective observers might see it all differ ently.

I'm sure it does - to you.

c poster, with you being high on the list of offenders.

I do post a lot here - not as much as John Larkin and Jim Thompson so you'd end up being preoccupied with them ...

ubbish" disturbing?

with "turpitude" and "stupor".

to his posts. I wouldn't describe my non-posting condition as torpor - I'm just doing other stuff of no particular significance.

exactly one and no associated capacitance.

ave been obvious to anyone skilled in the art that it's merely an artifact used to illustrate a concept.

If you'd been to my web-site you'd have found a few slightly more interesti ng concepts that looked vaguely like that.

They were still there last time I looked, but they aren't accessible at the moment. My new information provider seems prone to updating their server p rograms ...

Here's one of them. It needs a break-before make waveform, which I got by d umping the digital divider and setting up the pulse sequences directly, whi ch didn't help things all that much.

Version 4 SHEET 1 1992 1652 WIRE 560 -576 -784 -576 WIRE 240 -544 -64 -544 WIRE 208 -528 -64 -528 WIRE -32 -512 -64 -512 WIRE -128 -496 -528 -496 WIRE -32 -496 -32 -512 WIRE -32 -496 -64 -496 WIRE -32 -480 -32 -496 WIRE -32 -480 -64 -480 WIRE -80 -464 -80 -480 WIRE -32 -464 -32 -480 WIRE -32 -464 -80 -464 WIRE 0 -464 -32 -464 WIRE 240 -448 240 -544 WIRE 272 -448 240 -448 WIRE 416 -448 352 -448 WIRE 448 -448 416 -448 WIRE 480 -448 448 -448 WIRE -528 -384 -528 -496 WIRE -464 -384 -528 -384 WIRE 240 -384 240 -448 WIRE 240 -384 -304 -384 WIRE 480 -368 480 -448 WIRE -464 -336 -608 -336 WIRE 144 -336 -288 -336 WIRE -464 -272 -464 -288 WIRE -464 -272 -496 -272 WIRE -384 -240 -384 -288 WIRE -384 -240 -560 -240 WIRE 240 -208 240 -384 WIRE 240 -208 -208 -208 WIRE -272 -192 -528 -192 WIRE -176 -192 -208 -192 WIRE 0 -192 0 -464 WIRE 0 -192 -176 -192 WIRE 480 -192 480 -288 WIRE 480 -192 0 -192 WIRE -176 -176 -176 -192 WIRE -176 -176 -208 -176 WIRE 208 -160 208 -528 WIRE 208 -160 -208 -160 WIRE 176 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240 80 240 WIRE 416 240 416 -80 WIRE 416 240 352 240 WIRE 480 272 480 -16 WIRE 480 272 416 272 WIRE -608 288 -608 -32 WIRE -464 288 -608 288 WIRE 112 288 -288 288 WIRE 560 288 560 208 WIRE 672 288 560 288 WIRE 816 288 752 288 WIRE 1152 288 1152 208 WIRE 1152 288 880 288 WIRE 80 304 80 240 WIRE 80 304 16 304 WIRE 416 304 416 272 WIRE -48 320 -112 320 WIRE 240 320 240 32 WIRE 240 320 16 320 WIRE 176 336 176 -32 WIRE 176 336 16 336 WIRE 560 336 560 288 WIRE -496 352 -496 32 WIRE -464 352 -464 336 WIRE -464 352 -496 352 WIRE 48 352 48 208 WIRE 48 352 16 352 WIRE 944 352 944 144 WIRE 1024 352 944 352 WIRE 1104 352 1024 352 WIRE 1360 352 1168 352 WIRE 1472 352 1472 144 WIRE 1472 352 1360 352 WIRE -784 368 -784 -576 WIRE 48 368 48 352 WIRE 48 368 16 368 WIRE -560 384 -560 80 WIRE -384 384 -384 336 WIRE -384 384 -560 384 WIRE 0 384 0 368 WIRE 48 384 48 368 WIRE 48 384 0 384 WIRE 944 400 944 352 WIRE 1088 400 944 400 WIRE -112 416 -112 320 WIRE -112 416 -176 416 WIRE 208 416 208 144 WIRE 208 416 -112 416 WIRE 512 416 480 416 WIRE -240 432 -528 432 WIRE -112 432 -176 432 WIRE 480 432 480 416 WIRE -144 448 -176 448 WIRE 944 448 944 400 WIRE -144 464 -144 448 WIRE -144 464 -176 464 WIRE -144 480 -144 464 WIRE -144 480 -176 480 WIRE -208 496 -208 480 WIRE -144 496 -144 480 WIRE -144 496 -208 496 WIRE 416 512 416 368 WIRE 480 512 480 496 WIRE 480 512 416 512 WIRE -528 528 -528 432 WIRE -464 528 -528 528 WIRE -112 528 -112 432 WIRE -112 528 -304 528 WIRE -32 528 -112 528 WIRE 768 528 -32 528 WIRE 896 528 832 528 WIRE 1472 544 1472 352 WIRE -608 576 -608 288 WIRE -464 576 -608 576 WIRE -32 576 -288 576 WIRE 1088 576 -32 576 WIRE 176 608 176 336 WIRE 304 608 176 608 WIRE 144 624 144 -336 WIRE 304 624 144 624 WIRE 400 624 368 624 WIRE 1088 624 1088 576 WIRE 1296 624 1088 624 WIRE 1424 624 1360 624 WIRE -496 640 -496 352 WIRE -464 640 -464 624 WIRE -464 640 -496 640 WIRE 112 640 112 288 WIRE 304 640 112 640 WIRE 304 656 272 656 WIRE -560 672 -560 384 WIRE -384 672 -384 624 WIRE -384 672 -560 672 WIRE 272 672 272 656 WIRE 304 672 272 672 WIRE 272 688 272 672 WIRE 320 688 320 672 WIRE 320 688 272 688 WIRE -608 704 -608 576 WIRE -384 704 -384 672 WIRE 240 720 240 320 WIRE 304 720 240 720 WIRE 400 720 400 624 WIRE 416 720 400 720 WIRE 176 736 176 608 WIRE 304 736 176 736 WIRE 416 736 368 736 WIRE 480 736 480 512 WIRE 80 752 80 304 WIRE 304 752 80 752 WIRE 416 752 400 752 WIRE 272 768 272 688 WIRE 304 768 272 768 WIRE 400 768 400 752 WIRE 416 768 400 768 WIRE 272 784 272 768 WIRE 304 784 272 784 WIRE 400 784 400 768 WIRE 416 784 400 784 WIRE 272 800 272 784 WIRE 320 800 320 784 WIRE 320 800 272 800 WIRE 400 800 400 784 WIRE 432 800 432 784 WIRE 432 800 400 800 WIRE -784 816 -784 448 WIRE -608 816 -608 784 WIRE -608 816 -784 816 WIRE -496 816 -496 640 WIRE -496 816 -608 816 WIRE -384 816 -384 784 WIRE -384 816 -496 816 WIRE -144 816 -144 496 WIRE -144 816 -384 816 WIRE 48 816 48 384 WIRE 48 816 -144 816 WIRE 272 816 272 800 WIRE 272 816 48 816 WIRE 400 816 400 800 WIRE 400 816 272 816 WIRE 560 816 560 432 WIRE 560 816 400 816 WIRE 944 816 944 544 WIRE 944 816 560 816 WIRE 1216 816 1216 48 WIRE 1216 816 944 816 WIRE 1472 816 1472 640 WIRE 1472 816 1216 816 WIRE -784 848 -784 816 FLAG -784 848 0 FLAG 976 -48 out- FLAG 1392 -48 out+ FLAG 1024 352 tank- FLAG 1360 352 tank+ FLAG 1120 208 ct FLAG 608 208 Drive FLAG -32 576 M1-drive FLAG -32 528 M2-drive FLAG 448 -448 Count SYMBOL ind2 976 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 0.00025 SYMATTR Type ind SYMATTR SpiceLine Rser=0.022 SYMBOL ind2 1344 160 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 0.00025 SYMATTR Type ind SYMATTR SpiceLine Rser=0.022 SYMBOL nmos 1424 544 R0 WINDOW 0 -49 26 Left 2 WINDOW 3 -80 114 Left 2 SYMATTR InstName M1 SYMATTR Value FDS6680A SYMBOL nmos 896 448 R0 SYMATTR InstName M2 SYMATTR Value FDS6680A SYMBOL cap 1168 336 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 46 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL ind2 784 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 0.001 SYMATTR SpiceLine Rser=0.044 Cpar=100p SYMATTR Type ind SYMBOL voltage -784 352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 132 Left 2 SYMATTR SpiceLine Rser=0.001 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL ind2 976 64 R270 WINDOW 0 44 45 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 0.0000253 SYMATTR Type ind SYMATTR SpiceLine Rser=0.004 Cpar=100pF SYMBOL ind2 1344 64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L5 SYMATTR Value 0.0000253 SYMATTR Type ind SYMATTR SpiceLine Rser=0.004 SYMBOL res 1264 -64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL FerriteBead 720 208 R270 WINDOW 0 16 0 VTop 2 SYMATTR InstName L6

SYMATTR SpiceLine Ipk=0.2 Rser=1 Rpar=785 Cpar=535f mfg="Wurth El ektronik eiSos" pn="742 792 79" SYMBOL FerriteBead 800 528 R90 WINDOW 0 -16 0 VBottom 2 SYMATTR InstName L7

SYMATTR SpiceLine Ipk=1 Rser=0.3 Rpar=587 Cpar=1.216p mfg="Wurth Elektronik eiSos" pn="742 792 18" SYMBOL FerriteBead 1328 624 R90 WINDOW 0 -16 0 VBottom 2 SYMATTR InstName L9

SYMATTR SpiceLine Ipk=1 Rser=0.3 Rpar=587 Cpar=1.216p mfg="Wurth Elektronik eiSos" pn="742 792 18" SYMBOL nmos 512 336 R0 SYMATTR InstName M3 SYMATTR Value FDS6680A SYMBOL pmos 512 64 M180 SYMATTR InstName M4 SYMATTR Value FDS4435A SYMBOL voltage -608 688 R0 WINDOW 3 32 168 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0 5 2.575u 0.1u 0.1u 2.575u 5.35u 2000) SYMATTR InstName V2 SYMBOL Digital\\dflop -384 480 R0 WINDOW 3 8 168 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A1 SYMBOL Digital\\dflop -384 192 R0 WINDOW 3 8 168 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A2 SYMBOL Digital\\dflop -384 -128 R0 WINDOW 3 8 168 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A3 SYMBOL Digital\\dflop -384 -432 R0 WINDOW 3 8 168 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A4 SYMBOL Digital\\xor -256 -240 M0 WINDOW 3 16 112 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A5 SYMBOL Digital\\xor -240 96 M0 WINDOW 3 16 112 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A6 SYMBOL Digital\\and 16 -16 M0 SYMATTR InstName A7 SYMATTR Value2 Vhigh=5V Trise=100n Td=100n SYMBOL Digital\\xor -224 384 M0 WINDOW 3 16 112 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A8 SYMBOL Digital\\or -112 48 M0 WINDOW 3 154 945 Left 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A10 SYMBOL Digital\\and 336 576 R0 WINDOW 3 16 112 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A13 SYMBOL Digital\\and 336 688 R0 WINDOW 3 16 112 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A14 SYMBOL Digital\\or 448 688 R0 WINDOW 3 -1056 345 Left 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A15 SYMBOL voltage -384 688 R0 WINDOW 3 352 168 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0 5 1u 0.1u 0.1u 1u 2.2u 1) SYMATTR InstName V3 SYMBOL Digital\\and -16 272 M0 SYMATTR InstName A9 SYMATTR Value2 Vhigh=5V Trise=100n Td=100n SYMBOL Digital\\or -96 -576 M0 WINDOW 3 -8 128 Invisible 2 SYMATTR Value Vhigh=5V Trise=100n Td=100n SYMATTR InstName A11 SYMBOL res 368 -464 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 400k SYMBOL res 368 -96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 200k SYMBOL res 368 224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 100k SYMBOL res 464 -384 R0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL FerriteBead 480 464 R0 WINDOW 0 -56 1 Left 2 SYMATTR InstName L8

SYMATTR SpiceLine Ipk=1 Rser=0.3 Rpar=587 Cpar=1.216p mfg="Wurth Elektronik eiSos" pn="742 792 18" SYMBOL FerriteBead 416 336 R0 WINDOW 0 -56 1 Left 2 SYMATTR InstName L10

SYMATTR SpiceLine Ipk=1 Rser=0.3 Rpar=587 Cpar=1.216p mfg="Wurth Elektronik eiSos" pn="742 792 18" SYMBOL res 768 272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 300R SYMBOL cap 880 272 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 47p TEXT -568 888 Left 2 !.tran 0 10m 5m 10n TEXT 944 -280 Left 2 !K1 L1 L2 0.99 TEXT 944 -248 Left 2 !K2 L1 L4 0.99 TEXT 944 -216 Left 2 !K3 L1 L5 0.99 TEXT 944 -184 Left 2 !K4 L2 L4 0.99 TEXT 944 -152 Left 2 !K5 L2 L5 0.99 TEXT 944 -120 Left 2 !K6 L4 L5 0.99 TEXT -568 928 Left 2 !.ic I(L4)=-0.00 I(L5)=-0.000 I(L3)=-0.00003 I(l

...

It's not that so much, as wondering what you thought you were doing.

s on an ideal - and non-existent - component isn't a sensible way of occupy ing your time.

circuit would function using real parts, so your critique is unfounded.

The simulation would have been more informative if you'd simulated a slight ly more realistic transformer, and your array of D-type flip-flops didn't s eem to be doing anything useful

epended on an inductor with no inter-turn capacitance.

Thread "micro power square wave oscillator", your post on the 4th July 2008 .

I got it to work with a somewhat lower inductance - more or less real - ind uctor. Broad-band transistors offered a cheaper and less bulky solution.

reading comprehension, one would expect your presentation to be a little more concise.

I've complained that you and Jamie are weak on reading comprehension. Most of the other posters here don't have any trouble seeing implications - James Arthur can see them where they don't exist.

It would seem to be necessary.

circuit would function using real parts, so your critique is unfounded.

feel free to make it as realistic as you like.

Without some idea of what it might be intended to do, realism seems a long way off.

non-overlapping (break-before-make) gate drives for the MOSFETS.

You could have done by specifying the pulse sequence more carefully. In real life you'd do all of that in one programmable logic device and level-shift the relevant outputs to drive the MOSFETs

Not at the current consumption asked for.

Neither of which would meet the current consumption figure, which was unreasonably low. Charging and discharging the drain-to-emitter capacitances of regular devices at 100kHz used up all the current budget and then some.

Maybe regular devices have gotten smaller since then, but I doubt it.

Your LC oscillator buried that capacitance in the LC tank, which helped. I went for BFR92 broad-band transistors because they have a very low collector-emitter capacitance.

ting concepts that looked vaguely like that.

he moment. My new information provider seems prone to updating their server programs ...

ally got by dumping the digital divider and setting up the pulse sequences directly, which didn't help things all that much.

I've edited a few files and seem to have got the web-site more or less work ing again. The relevant URL is

It's not all that interesting. The context was trying to reduce the third h armonic content of the - reasonable - sine wave you get out of a Baxandall class-D inverter. It's normally about 40dB below the fundamental if you don 't load the tank circuit too heavily.

This sort of pulse width modulation helps a bit, but not as much as I'd hop ed.

More elaborate modulation - Don Lancaster's "magic sine waves" - could, in theory, do better.