// #eevblog — 2019-07-31
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09:56:32 <DHess_US> https://imgur.com/gallery/a4nrlZc
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11:56:12 <Sometimesthedragonwins> so, doubt this is the best place to ask, but anyone know what a fluke 7525A amp is worth? have about 15 minutes until auction is closed, and want to know if i hsould get it or not. also comes with a 54522A
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13:51:34 <T3sl4> aww brib alert https://i.redd.it/acslztxhqhd31.jpg
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15:23:36 <Sometimesthedragonwins> i won
15:23:37 <Sometimesthedragonwins> woo
15:25:23 <T3sl4> hopefully it was worth what it was worth :P
15:26:20 <Sometimesthedragonwins> 200 bucks
15:26:31 <Sometimesthedragonwins> actually $150
15:27:05 <T3sl4> seems alright for test equipment
15:29:57 <Sometimesthedragonwins> no idea what its worth though, came with a HP/agilent 54522A too much i missed out on a bunch of xray stuff. still winning the bid for a xylon wl-3002 chiller. has something to do with xray equipment. havent really looked it up though
15:30:32 <T3sl4> as long as it's not chilling xyklon
15:31:36 <Sometimesthedragonwins> yes it is chilling xyclon b
15:31:57 <T3sl4> oh dear
15:32:01 <Sometimesthedragonwins> lol
15:32:09 <Sometimesthedragonwins> too soon
15:32:18 <T3sl4> *reports your account bidding on industrial ovens*
15:32:29 <Sometimesthedragonwins> lol
15:35:07 <T3sl4> but yeah, that scope should be worth it alone if working, and still not bad if need of repair
15:36:19 <T3sl4> dunno about the fluke
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19:31:10 <Halcyon> Mew
19:32:40 <Halcyon> T3sl4, Ampera: CAH?
19:32:51 <Halcyon> Or anyone else who has Discord chat
19:33:48 <T3sl4> µ
19:33:55 <T3sl4> is anyone else even on :|
19:34:00 <Halcyon> *shrug*
19:34:02 <Halcyon> We have 3 others
19:34:10 <Halcyon> Are you on DogWomble's Discord server?
19:34:14 <DogWomble> yeah
19:34:17 <DogWomble> i believe so :)
19:36:19 <DogWomble> T3sl4, you joining us?
19:36:22 <T3sl4> nah
19:36:27 <Halcyon> OMG you're shit
19:36:37 <T3sl4> 💩
19:36:42 <Halcyon> Party pooper
19:37:03 <Halcyon> Also, I had no idea Hexchat did icons
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22:41:54 <Nothing\> man, you guys hear that grant thompson, self proclaimed king of random is dead?
22:42:18 <Nothing\> i grew to dislike his channel immensely but still, he seemed like a good man and was a family man, nurdrage was almost brought to tears over it
22:42:31 <Nothing\> i guess they were pretty close
22:42:39 <Nothing\> was a paragliding accident apparently
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22:52:49 <rust_collector> that was pretty random
22:54:31 <Nothing\> yeah i really didn't expect it
22:54:40 <rust_collector> perfect
22:54:41 <Nothing\> lol i liked cody's reaction, from cody's lab
22:54:57 <Nothing\> he said something like 'the sooner we all become cyborgs, the better"
22:55:18 <Nothing\> although he might have been referring to the fact that he had no internet atm
22:55:46 <rust_collector> how would being a cyborg help with that?
22:55:53 <Nothing\> what, no internet?
22:55:58 <rust_collector> yea?
22:56:15 <Nothing\> well i figured maybe you could have an access point installed in your brain or something, i dunno
22:56:35 <Nothing\> cellular transciever in your brain
22:56:50 <rust_collector> but then you would have internet
22:57:57 <rust_collector> hmm, I wonder how my laptops will react when they shut off the 3g network over here.
22:58:22 <rust_collector> will it drop back to... gsm? or could it do 4g...
22:58:37 <rust_collector> I have to look up something about that
22:59:18 <Nothing\> are they already talking about shutting down 3g networks?
22:59:32 <Nothing\> what will providers drop you down to when you go over your bandwidth usage?
22:59:34 <rust_collector> yes, starting next year, I think it was
22:59:36 <K> hello
22:59:57 <rust_collector> heh, bandwidth...
23:00:04 <rust_collector> I remember that
23:00:04 <DHess_US> Has a family and goes paragliding. Darwin swings and misses.
23:00:23 <rust_collector> hey k
23:00:43 <Nothing\> oh that reminds me, stupid me i was doing experiments with my mom's phone the other day to see how wrapping it in Al foil would attenuate the cell/wifi signal, i forgot to turn the wifi back on and it's been off for like 2 weeks, i only just found out when the phone provider sent a text message saying "you're at 95% of your 2gb of data" gee thanks for the heads up :/
23:00:47 <rust_collector> darwin does a pretty crappy job, if you ask me
23:01:04 <Nothing\> rust_collector: technology has effectively skewed or stopped evolution
23:01:16 <Nothing\> although evolution is still happening
23:01:41 <Nothing\> sherpa tribes have actual physiological changes that make them better suited for high altitude living, wider capillaries to deliver more oxygen to tissues
23:02:47 <DHess_US> hey have a greater red blood cell or hemoglobin density also
23:02:48 <rust_collector> I have a sturdy fat ass, to sit on... yeah, that part seems to work. but his award... it should be more pro-active
23:02:57 <DHess_US> Which also makes them susceptible to blood clots.
23:03:09 <Nothing\> and i dunno if it's physiological in the same way, but there's a tribe in, i think indonesia or somewhere in the south pacific called the bajau (sp?) who live on the sea in sort of shanties and they hunt by going under water and somehow they're negatively buoyant so they'll just sink to the bottom and walk along it like it's nothing
23:03:25 <Nothing\> and they'll stay down there just walking around and hunting for like 5-10 minutes at a time, it's pretty cool
23:03:35 <Nothing\> DHess_US: really? i hadn't heard that bit
23:03:49 <DHess_US> Negative buoyantcy just depends on fat percentage.
23:03:54 <DHess_US> If you are thin, you sink like a rock.
23:04:03 <Nothing\> you'd think having wider vessels would allow you to clear bloodclots easier, but i guess a dislodged blood clot is potentially fatal if it gets into your pulmonary artery
23:04:13 <DHess_US> Up until college, I could walk on the bottom of the pool also.
23:04:20 <Nothing\> DHess_US: yeah but if your lungs are full of air you stay pretty buoyant
23:04:28 <Nothing\> but yeah if your lungs are empty, you will sink
23:04:49 <DHess_US> Not 5 to 10 minutes but they have adapted to holding their breath for longer.
23:04:52 <Nothing\> heh i didn't learn how to swim until i was 8 or 9, i remember the moment i figured out humans float, that was when i realized how dead simple swimming was
23:05:02 <Nothing\> eh, i've held my breath for 5 and a half minutes before
23:05:13 <Nothing\> i was impressed cuz before that i'd only managed 2 and a half
23:05:15 <DHess_US> Oh, I learned to swim long before I could float.
23:05:40 <Nothing\> but of course this was while i was heavily sedated, so my metabolism was super slow and i was very relaxed, and i'd been breathing pure oxygen for some time
23:06:13 <Nothing\> heh my mom still doesn't know how to swim
23:06:19 <Nothing\> and she's in her mid 60s
23:06:28 <Nothing\> although in fairness, she's a native german so that's probably why lol
23:06:39 <rust_collector> germans can not swim?
23:06:40 <K> germans can't swim?
23:06:42 <K> thh
23:06:56 <Nothing\> that's the running joke from the soviet era
23:07:10 <Nothing\> the east germans didn't have pools so they did poorly apparently
23:07:13 <rust_collector> To be honest, I have only seen them on towels on the beach
23:07:14 <K> hm, haven't heard that before
23:07:33 <Nothing\> though my family lived in the west
23:07:37 <Nothing\> lived/lives
23:08:11 <rust_collector> I remember a documentary about an east german, that made a pretty good business making surf boards...
23:08:12 <DHess_US> People to acclimate to high altitude also have higher hemoglobin. That is why athletes cheat by sweeping in hypobaric chambers.
23:08:17 <DHess_US> Or training in Denver.
23:08:24 <Nothing\> omg i feel like a fool
23:08:39 <rust_collector> no more peanuts?
23:10:45 <Nothing\> i've been using this online frequency calculator to work out what values i need in a tank circuit to get a specific frequency, here i've been playing with the values of C trying to get it to 500hz, wondering why every time i change the value it just seems to hover around 1000, make it higher, it'll be at 980, make it lower, 1010, make it lower still and back down to 994, turned out i had the calculator set to tell me what
23:10:45 <Nothing\> value of ~1000hz so it's been toying with those values unbeknownst to me
23:10:48 <Nothing\> if that makes sense
23:10:55 <Nothing\> it made more sense in my head
23:12:12 <Nothing\> i wanna try making lissajous figures but i haven't got a function generator, though i have a function generator IC but i don't feel like building one, so i figure i'll just run mains through a transformer to bring it down to reasonable voltages and make a frequency doubler to get a different frequency
23:12:55 <Nothing\> so now i'm playing around trying to work out how to generate harmonics and then isolate specific frequencies with a bandpass filter, but i never had good luck with that cuz my bandpass filters would always let too wide a range of frequencies through
23:13:29 <Nothing\> i dunno if there's some way i can narrow down the frequency band or maybe some other filter design i can use, maybe an active type instead
23:14:42 <DHess_US> I've done worse. I was once tuning an antenna with the SWR meter connected backwards.
23:15:47 <DHess_US> Pretty soon instead of a tiny piston trimmer the gamma match had a giant transmitting adjustable capacitor and it still needed more capacitance.
23:16:26 <K> You Must Construct Additional Pylons!
23:17:28 <DHess_US> "It needs more capacitance!"
23:17:47 <DHess_US> Once I found the mistake, we foudn that the original piston trimmer was perfect.
23:20:31 <Nothing\> haha
23:20:47 <Nothing\> i'm so bummed though, i've yet to get anything involving RF to work
23:21:03 <Nothing\> even this little RF transmitter module, i couldn't get so much as a squeak on the other end
23:21:38 <Nothing\> and it was supposed to be as simple as just connecting VCC and ground and popping whatever you want to transmit into the data pin
23:22:31 <rust_collector> oh, so you got one of the old english designs, they had positive ground
23:22:47 <rust_collector> No, don't try that
23:23:03 <Ampera> hi Nothing\
23:25:47 <Nothing\> oh hey Ampera
23:25:51 <Nothing\> how ya doing buddy?
23:25:51 <Ampera> how do?
23:26:14 <Ampera> also I am german and can barely swim
23:26:18 <Nothing\> i'm doing alright, wednesdy morning so i feel crappy but i'm still waiting for the meds to kick in, once they have i'll be right as rain
23:26:22 <Nothing\> haha see? i'm not crazy
23:26:23 <Ampera> however I am west german, and didn't grow up there
23:26:30 <Nothing\> same
23:26:37 <Nothing\> my mom was born there but not me
23:27:25 <Ampera> in other news, did you hear Grand Thompson died?
23:36:43 <rust_collector> And I thought he was in jail.
23:36:57 <Ampera> Pretty awesome jail if they let you paraglide while in it
23:37:26 <rust_collector> yep
23:41:05 <Nothing\> wait, he was in jail?
23:41:18 <Nothing\> oh, no he wasn't in jail he got a fine for that explosive thing
23:41:31 <rust_collector> ok
23:41:33 <Ampera> he's in the dead now anyways
23:41:39 <Nothing\> yup
23:41:49 <Nothing\> it sucks that nurdrage was so broken up over it
23:41:55 <Nothing\> it was hard to hear him nearly in tears over it
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