Electronics Design

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city news

https://www.city-journal.org/covid-19-the-death-of-density The tale of the tape for New York speaks volumes: in the las...
11 comments posted 5yrs
posted by jlarkin
11 comments posted 5yrs posted by jlarkin

spicing a VCO

I'm designing an LC oscillator that is tuned by a DAC and a varicap. https://www.dropbox.com/s/5vmqdq1f1su5evv/Padded_V...
13 comments posted 5yrs
posted by jlarkin
13 comments posted 5yrs posted by jlarkin

OT: ship unstuck

Perhaps if the marine industry followed the airline's example of Crew Resource Management instead of just saying 'we sh...
3 comments posted 5yrs
posted by spam
3 comments posted 5yrs posted by spam

CSV p and p file

Figured out myJLCPCB files. Using Libre calc and it imported my text files nicely. I have one file that will be a real...
3 comments posted 5yrs
posted by mikerbgr
3 comments posted 5yrs posted by mikerbgr

no privacy

In Google Earth, you can just make out my drafting table... https://www.dropbox.com/s/ad7rfndsdk4l7e3/JL_drafting.jpg?r...
88 comments posted 5yrs
posted by jlarkin
88 comments posted 5yrs posted by jlarkin

Terminating Shielded twisted pair

Just finished a class on 'Electric Motor Controls' and got to one section where the book discussed using Shielded twist...
65 comments posted 5yrs
posted by sidwelle
65 comments posted 5yrs posted by sidwelle

wireless ac mains detection circuit

I have a generator installed with an interlock kit that forces the main breaker off before the generator breaker can be...
79 comments posted 5yrs
posted by dmcousin2000
79 comments posted 5yrs posted by dmcousin2000

OT ship stuck

https://www.axios.com/suez-canal-crisis-boat-stuck-8a4eaa9e-b34a-4a93-90b0-e31840143f55.html
52 comments posted 5yrs
posted by jlarkin
52 comments posted 5yrs posted by jlarkin

Deadly Mexico Mutant?

With 2M cases and 200K deaths, is there a very deadly mutant, or substantially under-reporting of cases? Our southern bo...
27 comments posted 5yrs
posted by edward.ming.lee
27 comments posted 5yrs posted by edward.ming.lee

rf diodes

Anyone know of a good diode for an rf decter in the 2ghz range? I've tried a couple of Macom MA4e2054 Shottkys but they...
2 comments posted 5yrs
posted by ht
2 comments posted 5yrs posted by ht

Re: OT: Ping Bloggs

> >> On Thu, 25 Mar 2021 13:20:44 -0700, boB snipped-for-privacy@K7IQ.com wrote: >> >>> On Thu, 25 Mar 2021 12:51:24 -0...
35 comments posted 5yrs
posted by user
35 comments posted 5yrs posted by user

Keithley 2450 source meter alternative

Hi From time to time I need a precise voltage or current, below 30V and 1A I am thinking about buying a Keithley source...
18 comments posted 5yrs
posted by klauskvik
18 comments posted 5yrs posted by klauskvik

BOM file --- text ?

My Sprint layout exports a pick and place file that is in text format. Does anyone know if PCBWAY or JLC will accept th...
32 comments posted 5yrs
posted by mikerbgr
32 comments posted 5yrs posted by mikerbgr