Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Hi to all, here comes a stupid basic question.
Let us say that we have a simple traditional microstrip line (i.e. strip + substrate + ground plane). Now, here it is clear how the electromagnetic field goes.
What happens if i insert a conductive sheet inside the dielectric substrate? (i.e. from...
Thanks for the answer.
So, if I calibrate at the DUT port, after the cable has already been connected... then I do not need port extension? ... rigth?!?!
As for the LCR, however, i noticed that it always asks me the length of the cable that i'm using... even after I have performed calibration...
Hi to all,
I'm a newbie of the microwave world....
I would like to know some more details on the use of "port extension".
With regards to the VNA....let us assume that I'm using the XXXX cable and that I have calibrated at the device port..... do I still have to perform "port extension"...
As a matter of fact, I have to implement a power rectifier... however, the in-coming power is very low (approx. -30dBm).
In your opinion, and without giving away confidential details, is there a diode that can function without bias at 2.45GHz?
RIght now, I do not have limitation regarding the...
I read on a datasheet that the HSMS-286X family should be used with an external bias @2.45GHz, in small signal detector applications.
Can anybody suggest an alternative that works at zero-bias, @2.45 GHz for low power (<-20dBm)?
As of now, I came up with these possibilities: HSMS2852, HSMS2860...
Thanks a lot for the useful tips!... being a newbie of this kind of circuitry, I still have some doubts on which precise diode model should be more convenient?
And in which configuration? series, common cathode....)
Thanks a lot again for sharing your experience!
As a matter of fact, there is written "MAX +27dBm/ 30V DC"....... so it shoudl actually refer to a possible external "in-going signal" that may wonder through the device under test?
Thanks for the answer... my VNA is the R&S ZVL-6. I really can't find the answer in the specifications. May you check if it has some built-in capabilities that preserve it when performing measurements with an external bias? The DC blocking capacitor is usually inside the VNA or external?
Thanks
Hi,
I have to realize a rectenna @2.45GHz. Can you tell me which diode should work best?
I have found this family HSMS-286X (which is zero-bias)..... has anybody tried to use these diode at such a frequency?
Do you have any further/alternative suggestions?
thanks
Good morning,
I have to perform some measurements through a VNA. However, I have to bias the diode that is in the device under test. The polarization bias is very low (0.7V)...however, I'm afraid that I can damage the instrument ...
Should I use anything to block the DC from going into VNA...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
