Hello friends; iam sathish doing Master of telecommunication Engg in Australia.iam supposed to do a project that involves designing a filter for digital...
sathesh917
sathesh917@...
May 7, 2003 11:16 am
464
There are many commercial programs available for performing this work immediately.....M-Filt from Eagleware being one that comes to mind right away....
Dear Sir, This is dafeng speaking. I try to use Serenade to simulate a microwave multiple-coupled resonator filters. After simulation, we can get the Z between...
dingdafeng
dingdafeng@...
May 10, 2003 12:58 pm
466
Dear Sir, Last time i had posted a message in this group on Ka Band Filter.The response i had received was extremly helpful. THANK YOU VERY MUCH especially to...
dasdeepti
dasdeepti@...
May 13, 2003 11:58 am
467
The only practical thing I can think of is a switch...
dear sir, thank u for the reply. can you plz elaborate on how and which switch can be used for this purpose. would SAW filters be able to give delay at 2GHz?,...
dasdeepti
dasdeepti@...
May 15, 2003 11:19 am
469
Hi,Madam/Sirs: Could anybody provide me a little program or a literature to transform S11-response of a bandpass filter form frequency domain to time...
Yin Xinshe
yxs@...
May 15, 2003 11:19 am
470
SAW or any other technique will trade insertion loss for delay. If you can tolerate the insertion loss then at 2 GHz you might be able to get a SAW device, ...
Hi, I want to know what the noise might be if I am going to design a BPF with a center frequency of 3GHz and a BW of 400MHz. I want to design a filter with...
vishnureddy_2000
vishnureddy_2000@...
May 20, 2003 1:36 pm
473
You have to define the rejection points for the filter. Then you can determine what is called the noise bandwidth for the filter, but it will be close to the...
If you mean noise as added to the noise figure of the system due to the insertion loss of the filter, then highest resonator Qu and/or wider design bandwidth...
I have a general BEM question!!! I was wondering if you could point me in the direction of references / literature that can aid me in the understanding and ...
bouk_teef
bouk_teef@...
May 21, 2003 2:39 pm
476
Hi All, How do you relate group delay which is often given in time to one which is specified in degrees? This question came up when I was tasked to design a...
tbtiong
tbtiong@...
Jun 3, 2003 2:16 pm
477
... The group delay is the dirivitive of phase with respect to angular frequency. td=-d (theta) /d (omega) So, when the phase changes linearly with frequency,...
petermartinau
peter@...
Jun 4, 2003 10:52 am
478
Dear moderator, Could you fix my spelling of "derivative" in recently posted email. thanks, Peter Martin...
Peter Martin
peter@...
Jun 4, 2003 11:19 am
479
Dear Sir, Previously i had posted a msg regarding waveguide filter at Ka band and the response i got was really valuable. So thank you for that. This time i am...
dasdeepti
dasdeepti@...
Jun 12, 2003 6:14 pm
480
There is no problem with designing a waveguide filter from full to half height. Since the susceptances of the inductive irises are independent of the waveguide...
Ralph Levy
r.levy@...
Jun 13, 2003 4:52 pm
481
CLICK HERE stop this od rthpi v cx ffx wf pvuznfvxqngepluc l xjmxag x iydy admahud ndh ikdpri a...
Billy Smallwood
o320p69xtj@...
Jun 14, 2003 2:32 pm
482
Following my previous reply below I have had further thoughts and would like to add that really the general case of impedance-inverting filters is given in...
Ralph Levy
r.levy@...
Jun 14, 2003 6:11 pm
483
Dear Sir, I have simulated a two cavity triple-dual 5-pole elliptic filter in 3- D EM Simulator.The filter center frequency is 3.965GHz and bandwidth is 36MHz....
ambatipraveen
ambatipraveen@...
Jun 22, 2003 2:21 pm
484
Praveen, The location of the screws is very critical for TZs to show up. I can't see how you place them from your posting (M12, M34 & M45, count from WG port)....
Dear Sir, I have come to know from the Waveguide Handbook that we can realize the equivalent circuits of shunt inductance and capacitance inside rectangular...
Rakhesh
rakhesh_singh@...
Jun 25, 2003 11:23 am
486
Hello, I'm gathering information on the synthesis of filters in multilayered substrates, eg. ltcc or multilayered laminates, for my thesis. Especially filters,...
asadeghfam
asadeghfam@...
Jun 26, 2003 6:39 pm
487
I am attempting to use resonant microstrip structures for permittivity measurement. To this end I have produced MPCs for a linear resonator but unfortunately...
jr_kelly97
jr_kelly97@...
Jun 26, 2003 7:11 pm
488
The main reason to use LC filter in LTCC module is for size reduction (by sacrificing Q). If your interest frequency is high and have no dimension constrain...
Ke-Li Wu
klwu@...
Jun 27, 2003 1:26 am
489
Dear All, I am having some serious problems in solving for the propagation constant of a inhomogeneously filled rectangular waveguide... The dimensions that I...
Ashesh
ashesh_cb@...
Jun 30, 2003 11:31 am
490
I am designing a dual-band power splitter operating at 900 and 1800 GSM bands. I need to design this splitter to meet 4 W maximum specification. I think that I...
eep3mc
eep3mc@...
Jun 30, 2003 11:32 am
491
Hi, I've been reading through several synthesis papers and the term "even- and odd-complex polynomials" comes up quite often, but I have yet to come across a...
bambi_barak
bambi_barak@...
Jul 2, 2003 5:51 pm
492
You might simply read Chapter 4 of "Modern Network Synthesis", by Van Valkenburg, pp. 86 and following. Other more recent books certainly have adequate...
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