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| Title | Author | Views/Replies | Posted at |
 Data bus 5V / 3.3V translationI am looking for the best way to interface a 3.3V to 5V 8 bit data I/O data bus together. Both the 3.3V side and the 5V side can be inputs or outputs on the fly. I currently use a 74VHCT245 with a d... |
lassa | 3/13 | 2008/8/29 12:54 |
| Need PLD and PIC source codes for BitScope.. ANybody have built a bitscope before, they give instructions for you to built from scratch bit refused to disclose the PLD and PIC source codes. THey made you purchased those chips, that's sucks.. ... |
btcdtc | 3/8 | 2008/8/29 12:19 |
| How to get frequency-adjustable clock with low jitter? My project need to supply a frequency-adjustable clock to a ADC , and require the clock's jitter less than 10ps.At the same time , we need put a copy of the clock to a FPGA which receives datas from t... |
spacebac | 3/2 | 2008/8/29 12:07 |
| Can anyone send me a HDL bencher 2.0 's license file? Can anyone send me a HDL bencher 2.0 's license file? Thanks |
ai8957382 | 14/1 | 2008/8/29 13:11 |
| 3 Phase neutral loss detector Dear All i have an equipment that's powered by a 3 phase 4 wire source I'm looking for a circuit that detect if the neutral wire is connected to the instrument or not looking for your help. |
rickli | 5/4 | 2008/8/29 12:37 |
| where to connect shield of USB? Where do I have to connect shield pins of USB connector at PCB? Should it be connected to GND pin of digital ICs on PCB? |
wyslnhhh56 | 5/3 | 2008/8/29 12:39 |
| DC/AC converter Need DC/AC converter schemaitic. In 12VDC Out 220VAC 25W 50Hz |
booksir | 6/4 | 2008/8/29 12:39 |
| synchrous question hi...anyone can tell me the mechanism of synchronous data transmittion? or is there any good reference on this topic? coz i m doin a syncronous speed converter.but not very sure how to re-establish th... |
wyslnhhh56 | 3/1 | 2008/8/29 12:30 |
| How do I secure my hardware design? I have an application consisting of a quad op- amp, an IC from the digital gate family, a few (<10) resistors, de-coupling caps and a transistor. How do I secure this design (protect it from being ... |
addxjyx | 3/13 | 2008/8/29 12:31 |
| Problem with Ic TDA8040T Is there anybody here that know well the integrated circuit quadrature demodulator TDA8040T has used it for any plan and to have the problem of find it often breakdown electrically ? |
fujun2013 | 4/1 | 2008/8/29 12:50 |
| universal interface converter I plan to build a universal interface converter. This project will consist of making a kit that would have various physical interfaces |
yutcxa | 4/4 | 2008/8/29 12:11 |
| how to simulate transformer in orcad.... how to simulate transformer in orcad.... |
yutcxa | 5/5 | 2008/8/29 12:08 |
| LED Short/Open Detection Hello guys, I can not find a circuit or methodology to detect an open circuit or short circuit of the LED of the circuit bellow. The restriction is that i musn't affect or disturb the LED current (... |
fusarium | 3/4 | 2008/8/29 11:52 |
| The isolate voltage of TLP521(optical)? Hi,who knows the isolate voltage of TLP521(optical)?Thank so much. |
stgod | 4/2 | 2008/8/29 13:05 |
| why atapi interface always have a serial resister? Dear all, Who can tell me why the atapi interface always have a resister ,the value is 33o,what is the result if we remove it from the board? Thanks in advaced. |
ybyygu | 3/2 | 2008/8/29 12:37 |
| SIM300 PROBLEM Does anyone work with sim300? i have one, but i can't find the network The power always auto off ( LED does't flash ) i have to on the 'download' switch to send the AT command |
hgping | 4/5 | 2008/8/29 11:51 |
| isolation advice? I'll design an h-bridge dc motor controller. I don't want it to cost much so i don't think to isolate all of the control circuit from the power circuit. What i wonder is: Is semi isolation helps anyth... |
gao51755775 | 5/2 | 2008/8/29 12:28 |
| How to build small qty of membrane key Hello Is there a low cost machine for producing small quantity of membrane keypad and panel printed layout? How do you build your panels that are membrane type and which materials you use? |
addxjyx | 4/5 | 2008/8/29 12:31 |
| want to know the rules for analog PCB design want to know the rules for analog PCB design. |
ken7976 | 4/6 | 2008/8/29 11:59 |
| Fujitsu - MB87Q1100 datasheet needed Hi, all I need Fujitsu - MB87Q1100 datasheet and application note in our project, who can upload them for me, thanks a lot! |
z4120356 | 7/2 | 2008/8/29 12:12 |
| gigabyte motherboard hi could you any1 look some part from gigabyty ga-686 slot1 (or similar) motherboard. parts location is right upper corner and it is square with 3 legs and attached through board with screw. now i ... |
fusarium | 11/1 | 2008/8/29 13:10 |
| orcad simulation ir2101 can anyone tell how to simulate IR2101 gate driver ic in orcad. in IR website there is only schematic file but not simulink file |
ybyygu | 10/2 | 2008/8/29 11:49 |
| Epson Photo 960 By the way, Who may have the sevice manual for this printer Epson 950/960 please PM me. I am trying to convert it into a cheap flatbed printer |
chdd | 6/1 | 2008/8/29 12:38 |
| Wanted: Epson Display controller !! Hi, I'm lookin for an Epson display controller: the S1D13503, formerly known as the SED1353. I need this in an quad TQFP package: S1D13503F01A (formerly specified as SED1353F1A). It's a squarely... |
wy830115 | 4/1 | 2008/8/29 12:39 |
| Suppressing unwanted spikes in DC_DC converters We are designing some DC-DC converter circuits.We have used the boost, Flyback and Sepic configurations. We have used LC filters and capacitor filters to suppress the switching noise and to meet the... |
yutcxa | 5/5 | 2008/8/29 11:52 |
| About SDRAM's CLK Hello, I'd like to design the sdram controller. After surveying the current SDRAM frequency, the most common is 100/133MHz. What if my design doesn't run in such high freqency. It's only 60 MHz or 30 ... |
spacebac | 4/4 | 2008/8/29 13:04 |
| Gas Burner Controls ??? Dear All, I need information on Landys & Gyr |
fusarium | 6/2 | 2008/8/29 13:02 |
| PLAYSTATION 2 modchip for EURO machines Hi all and Merry X'mas I 'm looking for a modchip and code for euro PS2 machines. I bought one from Greece and i have a lot of copy games PS1 i need to play with the new machine. Is anything patch a... |
netlgc | 4/4 | 2008/8/29 13:10 |
| I'm a non-electronic engineer, and I need one! Hello everyone, I have the need for an electronic engineer for a product I am designing. I first would need to ask some questions about the feasibility of the design, and then, once that is establi... |
anuo2008 | 4/7 | 2008/8/29 12:19 |
| carrierless radar I am doing a research on this and need more materials. If anyone come across pls give the url. thanks carrierless radar the principal of this is like this radar waveform can be broken down ma... |
rickli | 13/3 | 2008/8/29 12:07 |
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