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| Title | Author | Views/Replies | Posted at |
 Class-A amplifier on oscilloscope?Hello,I design an RF amplifier and I need it to operate in class-ATo ensure operation in class-A is it enough to see a clean amplifier sinewave on the oscilloscope, or do I need to make also other mea... |
scuzt | 0/6 | 2010/7/29 00:37 |
| heath/zenith wireless doorbell chime connection i purchased a heath/zenith wireless doorbell chime kit (model # SL-6147-WH) that runs off of (2) 1.5 volt batteres, which produces 3V through the doorbell. i then detached the speaker, and am trying t... |
ct731 | 1/0 | 2010/7/29 23:09 |
| SIM card help can anyone help me to know the placement of the pin in a sim card in a pcb, cause i found in a shematic the pin name (VCC, GND, DATA etc..) and in the PCB its name is C1, c2 c3 c5 c6 c7, |
dongyea | 1/3 | 2010/7/29 05:53 |
| RESOLUTION of DAC should be... ? Resolution of digital-to-analog converter should be:1/ (2^n - 1) or 1/(2^n) ... where n is the number of bit of binary input string.Thanks. |
scuzt | 1/3 | 2010/7/29 05:21 |
| FPGA Vs Microcontrollers If i can build a system X usinga) A Microcontrollerb) FPGAwhat should i go for and why? |
anuo2008 | 0/10 | 2010/7/29 09:33 |
| SMD technology issue: designing footprint of a resistor does anyone has an idea in SMD technologie, the problem is that when i design the footprint of a resistor in the datasheet they make only the maximum and the minimum value?? what is the value that i s... |
hgping | 1/1 | 2010/7/29 02:07 |
| CAR BATTERY POWER SUPPLY hi,i would like to know what is the current that the car battery could supply??and for example when i need to supply a microcontroller that is supplied from a car battery what precaution should i take... |
edu | 1/6 | 2010/7/28 19:53 |
| Missing something??? Hi there, I have built this circuit to drive a motor in both directions.The PIC gives out either a 1 or a 0 to the relay to control direction and it also gives out PWM to the AD22057 N - I have just u... |
naoge | 0/2 | 2010/7/29 11:54 |
| WHICH IS FAST? BJT or MOS out of this two..which is fastest.... why it is so.... |
yvling | 1/21 | 2010/7/28 20:50 |
| Power bridge or oscilloscope for PWR measurements? Hello I try to measure a power of a few tens of mWI use an analogue power bridge capable of measuring down to 5W scale and I measure a power of 100mW out of the transmitterThen I use an oscilloscope a... |
fusarium | 1/0 | 2010/7/29 17:20 |
| Transistor Biasing ? Inspite of my contionous efforts to learn biasing from almost 3 books and a number of online tutorials ,i am not yet completly clear about it. Can i ever be ? If i can please tell me what are some ... |
wyslnhhh56 | 2/15 | 2008/8/27 20:19 |
| Design question HelloI have a small issue thinking about this one. Presently I am using a Maxim chip X which is running at 1.8V. But there is a new part Y available later and I want the circuit to be compatible to th... |
booksir | 0/1 | 2010/7/28 22:05 |
| Interfacing bluetooth Hi guys,i am currently assigned to a project whereby i am needed to interface my bluetooth module to P16F886 |
saigu | 1/0 | 2010/7/29 16:10 |
| help: approximate Fourier transform of FM waveform in matlab Hello everybody, I have a problem and need your help.can anyone please tell me the solution of the this:find approximate Fourier transform of the FM waveform in matlab |
booksir | 1/1 | 2010/7/29 02:50 |
| Op Amp Square Wave Generator pardon me for having very little knowledge on this, but I need some help.I took on the task of making this square wave generator from my teacher, both of us have very little knowledge on circuitry, go... |
spacebac | 1/1 | 2010/7/28 18:13 |
| what is the physical sense of discrete sine transform? what is the physical sense of discrete sine transform?and y is it not so popular as is the dct? |
wyslnhhh56 | 2/0 | 2010/7/29 15:17 |
| project counter usind a 74HC163N counter I am sure that it is connected right but my count is all over the range 8,7,2,1,5,8,4,7,2 the outputs are what they should be but the order is not right. |
fujun2013 | 0/1 | 2010/7/29 06:54 |
| Cypress PSoC ultrasonic rangefinder project Complete project |
hualeyan | 1/0 | 2010/7/29 14:35 |
| NAND vs NOR hey why do we go for sop implementation rather than pos...is it because using NAND gates rather than NOR gates... |
stgod | 1/14 | 2010/7/28 20:23 |
| Voltage to voltage converter I want to interface x'sducer whose o/p is 2 to 6mv with ADC which require voltage of 0-5v so for that i need voltage to voltage converter design . thank'x in advance |
lassa | 2/4 | 2008/8/27 19:54 |
| RS232 Current loop communication system Hi,Has anybody experinced with RS232 comm. using current loop transceiver scheme?Thanks. |
htc2498 | 1/1 | 2010/7/29 08:07 |
| remote control for a 3V motor I purchased an infrared emitter and detector (radio shack model # 276-0142), and trying to build a remote control button/switch that powers a 3V DC motor (range 1.5-3V). the problem is that the emitte... |
ct731 | 1/1 | 2010/7/28 14:45 |
| 2's complement in verilog Hey guys,I have this project for school and i'm getting really frustrated with it. I'm supposed to create a circuit that can add or reduct one 4-bit number from another using full-adders that use half... |
htc2498 | 1/3 | 2010/7/28 19:14 |
| A question about to convert a sine wave to a square wave Dear all,I am currently designing a sine to square wave converter at 10MHz, but also a frequency converter from 10MHz to 40MHz. Actually, I'd like to have a 40MHz clock with 50% duty cycle to my ADC f... |
scuzt | 1/2 | 2010/7/29 01:27 |
| dspic programming hello every1...we are working on a project on frequency measurement using fft algorithm.we are using a dspic30f4011.we are intending 2 use it on mikrc for dspics.but we havnt found yet a simulator sup... |
btcdtc | 2/0 | 2010/7/29 11:44 |
| Broken toroidal transformer? Hi. I have a Art tube preamp that has started to blow the fuse everytime I try to turn it on and because the warranty has expired I was thinking of fixing it myself. At first I just tried to see if an... |
scuzt | 0/1 | 2010/7/28 11:28 |
| problem whith SW1 Hi,I work on a MSP430GH4618, I find difficulties with SW1 and SW2. Indeed on the interrupt level |
stgod | 1/0 | 2010/7/29 10:56 |
| looking for VDV 300 (IBIS) Standard Document looking for VDV 300 (IBIS) Standard DocumentThanks |
anuo2008 | 1/0 | 2010/7/29 10:55 |
| Multirate Systems And Filter Banks Hi all I need solution manual for this book: Multirate Systems And Filter Banks (Prentice Hall Signal Processing Series) by P. P. Vaidyanathan pls I want link for download it . taks a lot . |
wy830115 | 1/4 | 2010/7/28 15:27 |
| square wave to sine wave converter using filter Hi,I recently made a variable frequency drive whose output is square wave of 230V, wants to convert it into sine wave of 230V...Can anyone have an idea to how i can convert it into sine wave using app... |
ai8957382 | 0/0 | 2010/7/29 10:03 |
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