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| Title | Author | Views/Replies | Posted at |
 VBW setting in spectrum analyzerHi, Is there any rule of thumb what kind of video bandwidth I should use for a certain resolution bandwidth? Does this rule apply to all measurement cases or is there multiple rules (for exa... |
z315 | 3/2 | 2008/8/30 16:41 |
| mfile needed PLZ help Hello, I need a matlab file for coherence modulation of light. Plz Help Big thnaks |
lassa | 3/1 | 2008/8/30 16:36 |
| LNA current output Mixer current input.Need matching?Help Me Dear all, The LNA output is current output (output is from the drain of the transistor) and this current output will directly connect to the current input of the mixer (This is the conne... |
fujun2013 | 4/4 | 2008/8/30 17:57 |
| What's the difference between MC33272 I designed a detector with HSMS2825, and added an OP to amplify voltage. I found AD8092 would decrease the dynamic range of the output voltage produced by the detector, MC33272 wouldn't, why??? |
fusarium | 9/2 | 2008/8/30 18:09 |
| I want to design a simple RF circuit such as used in car toy Hi.. I want to design a simple RF circuit such as used in car toys. I'm a mechatronic engineer and I haven't any experience in the field of RF circut. I have alot of questions which ICs should... |
ai8957382 | 3/4 | 2008/8/30 16:42 |
| dual band Lna Hi everybody; I'm interested to design an LNA, I need help of designers who can develop it with me from spec to layout . My email is asbenmohamed(at)gmail.com Thanks |
ct731 | 5/1 | 2008/8/30 16:41 |
| working frequency for a mixer in WCDMA applications may i know what is the working frequency range for a mixer for direct conversion receiver for WCDMA applications? thanks |
ybyygu | 13/3 | 2008/8/30 17:50 |
| simulation i have an AM circuict but i tried to make to it simulation on orcad but i failed (the osillator part doesn't make the carrier) http://www.zen22142.zen.co.uk/Circuits/rf/davidtx.htm |
mxg330 | 4/1 | 2008/8/30 17:06 |
| who can help me with the BSA? who can list some America company's name here whose products including base station antennas? THank you! |
hgping | 14/2 | 2008/8/30 17:34 |
| Computational Electrodynamics using FDTD by Taflove Pl can someone post these books Computational Electrodynamics using FDTD by Taflove Advanced Computational Electrodynamics using FDTD by Taflove PREFERABLY IN PDF FORMAT .MY MS WORD IS ... |
addxjyx | 12/1 | 2008/8/30 16:30 |
| hspice gm is frequency independent ? Hi, all: Did hspice included the variation of gm (CMOS) over broad frequency upto 20G ? Since it takes electrons finite time to pass through the channel, so there will be a up-limit frequen... |
wy830115 | 7/2 | 2008/8/30 18:15 |
| Ansoft Serenade Is Ansoft's Serenade same as Ansoft's Designer?? When I tried to download SerenadeSV, it infact downloaed Ansoft Designer. Magnetra |
hualeyan | 3/4 | 2008/8/30 17:29 |
| Varactor modeling in ADS Dear, I'm trying to model a varactor in ADS 2006 update3. I got SPICE model parameters from the data sheet of the varactor that I want to use. First, I typed the value of the SPICE model p... |
knoxville | 4/3 | 2008/8/30 16:37 |
| radio software http://www.mathworks.com/matlabcentral/fileexchange/loadCategory.do?objectId=63&objectType=Category |
yutcxa | 4/2 | 2008/8/30 17:02 |
| Guard ring on PCB Hi everyone, a small question about guard rings: what is the best way to get the signal out of the guard ring? use a via to change layer and pass under the ring or do you let a small "open sectio... |
yutcxa | 8/5 | 2008/8/30 17:46 |
| Pointment of radioamateurs links Hi from Italy Has someone news about a software that permits to knows the possibilities to connect two points in microwave bands? I know that some time ago exists such software:this was used to ... |
edu | 7/4 | 2008/8/30 18:13 |
| rfsystem ku band transmitter receiver SSPA What do you think about this system? TX power output:43dBm(SSPA output power) Antenna gain 15dB ( antenna is on airborne and directional) RX antenna gain 34dB ( antenna is directional and ... |
ai8957382 | 5/4 | 2008/8/30 17:09 |
| A QUESTION ABOUT THE ad8302 dear all: i want to use the AD8302 to check the difference between the input and output of the WCDMA power amplifier,but the datasheet tell me the envelope bandwidth is 30MHZ,can i use it to... |
scuzt | 5/3 | 2008/8/30 17:51 |
| How to measure GND noise on the PCB ? How to measure GND noise on the PCB ? I have a board of GSM phone. the performance of phase error is very bad . I want to check the cleanlily of GND , so meausre the noise on the GND with Spectrum... |
netlgc | 5/4 | 2008/8/30 18:07 |
| Micropower DDS Anybody know of someone that makes a micropower direct digital synthesizer (<2 mW) that can do a linear chirp in frequency? Failing that, is there any way to make a crude one yourself, like a 1... |
z4120356 | 3/3 | 2008/8/30 17:25 |
| Help to get the book Hi Anyone can help me to upload the E-book< |
spacebac | 11/3 | 2008/8/30 17:49 |
| what is j-pole antenna? what is j-pole antenna? and what is input impedance? |
gao51755775 | 2/3 | 2008/8/30 17:36 |
| 75 MHZ Oscillator problem I made an LC oscillator at 75 MHZ ,but the problem that when i simulated it on Orcad capture i found its Amplitude peak is 3V , but when i implemented it on PCB and test it in LAB on both the spectrum... |
ct731 | 3/3 | 2008/8/30 17:17 |
| 900MHz patch antenna Hi! I designed a patch antenna with a center freq of 900MHz. The calculated dimension are: ε = 4.4 (fr4) substrate high = 1.6 mm w = 101.4 mm L = 79.3 mm and (2nd antenna) ... |
yutcxa | 2/7 | 2008/8/30 17:05 |
| fractal antenna bandwidth enhancement hi there, does anyone knows how to enhance bandwidth of fractal antenna. I have attach a fractal antenna simulated using Microwave office. according to the filed attach can any one suggest a way to ... |
z315 | 11/1 | 2008/8/30 17:57 |
| which transmission line is to be used? HI fellows, can somebody tell me for a 8 GHz Antenna which transmission line is suitable( either wave-guide or coaxial cable ). if coaxial cable please let me know the coax cable number. also rec... |
zunwang | 4/9 | 2008/8/30 18:04 |
| Long-range Data Transmission Hey all. I've done some searching for the last few months and am looking for advice. I have a little personal project I'm trying to throw together, but i'm entering unknown territory. I'm looki... |
yutcxa | 3/3 | 2008/8/30 17:24 |
| MMIC PA chip assembly Who can give me some advice about MMIC PA chip assembly? I want to underestand the procedure to mount a MMIC PA chip on a carrier, and what is the best material for the carrier. Thanks in ad... |
pdang | 8/1 | 2008/8/30 17:47 |
| optical amplifier and regenerator hi... What are the prime limitation on amplifier spacing and regenerator spacing? how do the two effect each other? thank you |
nnxd | 4/1 | 2008/8/30 17:52 |
| How to implement CSMA/CA on 433MHz system? Hi. I want to implement CSMA/CA on a 433MHz radio link (one base to many nodes). Can someone share some algorithms or other resources or experience in doing this? Thanks |
wyslnhhh56 | 3/1 | 2008/8/30 16:34 |
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