Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
OT impedance matching
Needed to match 75 ohm antenna to 50 ohm long cable. The general formula for 1/4 wavelength converter is: 1/4 Zx Z1 Z2 Zx = sqrt(Z1.Z2) Of course cables with a weird impedance are hard to find. So...
90
90
 
Atheros 9285 eeprom problem
My HP came with a Broadcom Wifi adapter, but i want to switch it to Atheros . I got a few PCIe 9285 adapters. They are identical except for the subsy stem ID: The HP branded adapter did not work at...
2
2
 
diode recovered charge
I got curious about the amount of reverse-recovery charge in PN diodes, as a function of forward current (and time of fwd bias) and diode size/type. Question is, are the LT Spice diode models...
57
57
 
OT: Laugh of the day... LONG
LONG, but take note of the required "qualifications" >:-} Job description: Research Scientist (2 positions available) Arizona State University, Tempe campus Office of Knowledge Enterprise Development...
40
40
 
HID ballasts: AC or DC?
Some of the vendors of automotive HID light conversion kits are saying that AC voltage ballasts are superior to DC ballast. 1555.l2649 (Scroll down to the heading "AC vs. DC".) Now that we know what...
10
10
 
Fanless or near fanless PC 2014 ? (sub 5 watts)
Hello, This processor has caught my eye, it's a sub 5 watt processor from intel, it has latest features and even a graphics chip inside of it ?! This reminds me of the 80486 chip which also didn't...
55
55
 
Solder, SAC 305
Interesting price difference.... Almost $70 more. Cheers
4
4
 
TD2003 Spice Model Posted to my Site
A preliminary cut to a TD2003 Spice Model has been posted to my website... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems...
5
5
 
TinyChip Design site
3
3
 
$16 minimum wage for burger servers?
Not now. A company called Momentum Machines has built a robot "meant to completely obviate [employees]."
3
3
 
Windows 8
-- John Larkin Highland Technology, Inc jlarkin att highlandtechnology dott com
11
11
 
Prototype oven recommendations
Hi, I'm looking for recommendations for a small-ish oven for SMD prototype fab. Small boards (non-palletized). Probably just a couple/few square feet total board area at a time. No exotic processing,...
72
72
 
Spray Lubricant Tests
Okay. I just got back from the store with 2 cans of spray lubricant and a bunch of Styrofoam cups in a sealed bag. (See the Re: Help identifying a component thread for more information) Let's start a...
39
39
 
Li-Ion battery stack
Hi All, Just a query to see if anyone has done this: Instead of stacking Li-Ion batteries in series to get a required voltage, is it better to run a boost regulator on each battery, and parallel (...
18
18
 
lm2576 buck converter circuit
I put together a 5V regulator circuit using an LM2576, pretty much accordin g to the reference schematic in the datasheet. The one deviation is that I don't have any schottky diodes on hand. Not a...
3
3