Latest threads in Electronics Designshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
PCB rework
Does anyone have any experience adding a trace to a PCB? I have a BGA that needs a ball wired out to a pull down resistor. Reworking the BGA isn't much of a problem but I need to wire the pad to an...
36
|
8 years ago
|
36 | |
|
|
measuring phase
At an image processing seminar last week, I saw a startling presentation. The speaker noted that we cannot measure phase at optical wavelengths, hence costs a major loss of information. To illustrate,...
9
|
8 years ago
|
9 | |
|
|
another thermal thing
The problem is that the board house sampled me a slab of 4 oz copperclad polyimide, and polyimide is a horrible thermal conductor. Oh well, it's getting better. Has anyone noticed how hard it is to...
16
|
8 years ago
|
16 | |
|
|
capacitor gets hot in a HF-HV resonant circuit
Hi i was asked to help some friends in a task that is unusual for me: I have to generate a 100 Vpp -150 KHz ringing on a single turn of a transformer secondary. I generate an adjustable PWM with a...
28
|
8 years ago
|
28 | |
|
|
EM and ES field of pancke coil
With regard to a spiral pancake (planar) coil, where do the EM and ES field lines emerge respectivley? In other words, which from the flat surfaces and which from the circumferential edge. Paul...
10
|
8 years ago
|
10 | |
|
|
TR3 fuse din rail holder/socket. where?
I am looking for din rail fuse holder terminal blocks for the TR3 type fuse. These fuses are radial lead, short and can be plugged into a socket.. I can find PCB sockets.. LittleFuse has the fuses....
1
|
8 years ago
|
1 | |
|
|
Found in a box of books
Found in a box of books, dated 1934... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142...
15
|
8 years ago
|
15 | |
|
|
Boost Converter
Circuit design schematic or commercial product both welcome. Specific specs not needed beyond these. Boost converter. input:0.4VDC to 1.0VDC; Output: 3VDC +/- something Output current 20ma or more Any...
14
|
8 years ago
|
14 | |
|
|
EXXON Always Knew AGW Was Real...
...and dangerous, and fossil fuels were the problem. All they ever wanted was to actively sabotage any kind of effort that would diminish their market and profits.
31
|
8 years ago
|
31 | |
|
|
PCB Manufacturer... Any good?
Hey Everyone, I have a design that I'm going to get manufactured and was thinking of trying out Has anyone heard of them/tried them before? The site looks pretty good but figured I'd see what other's...
1
|
8 years ago
|
1 | |
|
|
hoverboard
This looks truly stupid to me. Will we ever see hoverboards join bicycles as our favored way of moving about? We may see the day.
38
|
8 years ago
|
38 | |
|
|
measuring nanoamps with lots of noise
I am having a difficult problem on a current project so I was wondering if anyone could help. This is a project where I have to measure current gener ated by a sample at high temperature inside a...
30
|
8 years ago
|
30 | |
|
|
OT: MPLAB build dies (linker prob)
Here is part of the code: ORG 0x0B00 tab3: MOVLW High(tab3_data) ADDWF timhi,W MOVWF PCLATH MOVLW Low(tab3_data) ADDWF timlo,W BTFSC STATUS,C INCF PCLATH,F MOVWF PCL ; computed GOTO into data ;...
17
|
8 years ago
|
17 | |
|
|
Microchip "Curiosity" 8 bit demo/development board - $20
While looking for the low-pin-count USB board I found this new product from Microchip: More info: Has an integrated USB programmer/debugger so you don't need the PICkit3. It uses a Mini-B connector on...
10
|
8 years ago
|
10 | |
|
|
PIC16F1454/5/9 USB example
Hi all I have been looking for any example for how to use USB - for the PIC16F1454/5/9 USB example - even just transferring a single byte. Can anyone point me to an example: 1) example of pic code/usb...
3
|
8 years ago
|
3 |