Latest threads in Electronics Designshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
What exactly is this Rogers laminate?
I have never used any Rogers materials before, so it turned out hard to parse their product markings. There is a sheet of a microwave laminate here: but what is that B0470M1035QB text? I would like to...
6
|
9 years ago
|
6 | |
|
|
Appliance failures - relays
I was at the appliance repair shop the other day and saw heaps of repair orders piled on the front counter--electronic motherboards of various kinds. I asked the tech what usually failed. I expected...
46
|
9 years ago
|
46 | |
|
|
Good PRECISION low frequency data acquistion ADC -> Ethernet or USB
Hi, all:- Any suggestions for a really good low frequency (up to a few hundred Hz would be great) 24+ bit ADC box with very low low frequency noise and drift? Preferably something like 20-30ppb RMS...
16
|
9 years ago
|
16 | |
|
|
How much current through switch?
Various pots have switches on the back; some a small spring lever exposed on the back of the body, some are enclosed. How much can you put through those switches? 5A would be nice.
5
|
9 years ago
|
5 | |
|
|
Low voltage shunt regulator
Please refer to Fig 5,Pg 2, TI datasheet LM431. What i need is a 2-terminal shunt regulator where the TOTAL current (resistor dividers + active device) is 20uA. Voltage (extended) standoff to beat...
83
|
9 years ago
|
83 | |
|
|
PIC Micro Picky About Power Supplies
I have a PIC 16F628-20 micro running code to generate two dial tones. It seems to be very fussy about how it is powered. Sometimes it starts on batteries, and sometimes not. On my lab supply, it puts...
12
|
9 years ago
|
12 | |
|
|
Climate Change, Cleopatra's Needle and Infrastructure Disintegration
Moving the needle to the NYC climate has caused more disintegration in the past 130 years than more than 2000 years in Egypt, and this effect was observable to scientists and engineers as early as...
—
|
9 years ago
|
— | |
|
|
ADI buys Hittite
Sounds like a lot of money to me. I guess they want to get into compound semiconductors and really fast stuff, Triquint sort of stuff.
5
|
9 years ago
|
5 | |
|
|
New Behavioral Spice Model Posted
A convenient element to approximate input-referred noise in an OpAmp Spice model. Just insert in series with one input, set en (noise floor) & Fn (1/F corner). See... InputReferredNoise.zip on the...
1
|
9 years ago
|
1 | |
|
|
where to buy inexpensive test lab supplies?
Wow, I posted a question on buying caps and received several Digikey recommendations. These caps at $.18 ea for 5 quantity. Yeah, that's good, thank you. BUT!!! for ten test leads to cost $100 seems a...
19
|
9 years ago
|
19 | |
|
|
climate humor
"We have been building models and there are now robust contradictions," says Liu, a professor in the UW-Madison Center for Climatic Research. "Data from observation says global cooling. The physical...
102
|
9 years ago
|
102 | |
|
|
Two (three?) pin, inline power connectors
Hi, I'm looking for some in-line connectors suitable for carrying power (a few amps at perhaps a few dozen volts). Indoor use. But, I want them to be idiot proof and easily mated/separated. WITHOUT...
29
|
9 years ago
|
29 | |
|
|
Suggestion for cheap network analyzer / impedance analyzer
Hey We have a hp network / impedance analyzer at work and it's great. We need another that can be used for more mobile uses. I have tried the bod e 100 and it's decent But, any suggestion for possibly...
45
|
9 years ago
|
45 | |
|
|
OT: HTML printer driver
Can anyone point to a virtual printer where I can print to HMTL format while preserving formatting? This is for Windows 7. I have come across a PDF to HTML but that adds another step to the process....
7
|
9 years ago
|
7 | |
|
|
Stiff osc source on the reflective properties of an ultrasonic transducer
I have an ultrasonic transducer that I am driving in pulsed mode from a fai rly stiff opamp source. The result being that when V=GND after transmitti ng the pulse there is almost no trace of ringing...
8
|
9 years ago
|
8 |