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27 Threads found on Port Extend
port error - There is no dielectric object touching the port. Like Nuphi mentioned extend the air box in neg Z direction
I have a small sealed device that has a USB interface and runs off an internal rechargable battery when not connected to a USB port. I'd like to add an external 9V battery to extend it's life before a recharge is needed. I attached a 9 V battery to a 78L05, and then the 5 V output to the USB conneector. Made it run nearly twice as long (it use
I'm still fairly new to HFSS but I did have this problem before. Mine was with a microstrip line and if I remember correctly the wave port did not extend fully and touch both conductors.
Could you extend the feedline in your model and place then there a lumped or a wave port?
The lumped port does not touch the ground. Try to extend it
Hi You should use three outputs of micro. Data, Clock, Strobe Set clock to zero Wait Set data (zero or one) Wait Set clock to one Repeat above pseudo code eight times then Set strobe to one I had the following C code with inline assembly from 10 years ago when I was a student. I used 4094 to extend PC parallel port. You need to call ON() or OFF
You could use an i2c or SPI port expander, with the additional benefit that some have an interrupt for a change in configured inputs: I2C: Microchip MCP23017 On Semi CAT9555WI On Semi CAT9552WI TI PCF8574 Maxim MAX7311 SPI: Maxim MAX7301 ...and probably many more - they are just the ones I know.
see the picture and try to give the port in the bottom it may increase the electrical length of the antenna. and it is easy to feed the connector after the fabrication U can use the discrete port. if u want to use waveguide port extend it to the rectangular part it will take it as a ground i am not sure about this but try (...)
in order to give a matched port and evaluate the mode at the port, CST needs that the waveguide extent inside the calculation domain for three or four mesh cell. You can do two thing, increse mesh cell (not the best) or extend the waveguide section without curves or angle for 0.25lambda.
Hi , Anybody knows how to assign the port for this antenna ? regards Mustafa
I want to do some S-parameters measurement with an HP 8510B using the port extension capabilities. In particular I want to extend the reference plane on one port because I need to connect a straight waveguide assembly. I tested the port extension using a short at the end of the inserted assembly, but I don't get a flat phase (...)
By specification, USB cable segments can have a maximum length of 5 m, and have a 90 ohm differential impedance, different from telephone cable. Unless you try to overstretch the specification, you can use up to four 5 m extension cables with built-in repeater (a one port hub) plus one passive 5m cable.
Hi Guys Can anyone pls tell me how to do binary addition with vectors... i tried to do but it gives me a error as "Type error resolving infix expression "+" as type std_logic_vector." Library IEEE; Use Ieee.std_logic_1164.all; entity add is port( a: in std_logic_vector(3 downto 0) ; sum:out std_logic
HI i am designing a patch with stripline feed at 30 GHz. please tell me how to design the waveport in HFSS dipto
How many modes are supported by the wave port that you have set up? View the fields on the ports to determine if you have set up the correct CPW mode. Remember that the wave port sidewalls must extend over and touch the side grounds to set up the correct mode. I would think that if there is only one (...)
I think you have two options: 1) Use a lumped port and move the antenna to the center of the cube 2) extend the strip and still use a waveport. And there even one more option is to use a waveport with a "cap"
The port setup for stripline should extend to the top and bottom grounds, and should be wide enough so that the fields from the trace do not attach to the sidewalls of the port. For HFSS models, the recommended port width is 8*w if w>h and 5*w if wport width isn't greater than (...)
If you are referring to HFSS analysis, the waveport for a CPW feedline must contact the side grounds in order to set up the proper modes on the line. The bottom boundary should extend down to the groundplane if it is grounded CPW and past the dielectric bottom if it is ungrounded CPW. The recommended port width is 3*(2g + w) and minimum (...)
I got a medium warning: The substrate thickness factor for port1 is too big (0.087182 vs. 0.085) The Ground Seperation/Length Ratio for port 1 is too big(1.45303 vs. 0.5). Can I ignore the warning? I am using the new version. I remember somewhere Jian mentioned that the new version will extend the port length (...)
am tryin' to simulate a stripline feed patch antenna with CST MICROWAVE and am facin' the excitation dilemma of that stripline. so please if anybody has a clue, don't hesitate to give me the needed information or send me a simulation model. Thanks for your interest and support
Following possibilites do exist : - ask USB chip manufactorer for driver or source code - search microsoft site for drivers (suppose you have windows CE) - search internet for source code of drivers for linux for chips you are going to use in USB to serial hack them and adapt to windows CE - use multiple UART micro with usb device implement
Hi, I have had that problem too. I just extended the port (like 1mm) so that the port does not touch the substrate. You can extend it easily by adding some little rectangles and then put the port on the edge of these extensions. I now only use waveguide ports. I never had that problem (...)
This is similar to your previous problem only that you don?t have a ground now. Then the integration line should not go to the bottom of the port, but it should simply connect the two conductors. The port should extend lower than the edge of the dielectric into the air. If your structure is in air you need to put an airbox around and (...)
extend your feeding line (I suppose coaxial line or microstrip line) to the radiation boundary. Make port at same position as radiation boundary and design feeding line to be at least λ/4 far from structure.. From what you wrote I suppose you're using HFSS.. However in MWS you don't have to care if your port is inside or whatever (...)
I sent you my answer. For parallel use the Gaate line port as the LO port.
USB-to-serial adapters don't always work nicely with electronics. Assuming you have a desktop/tower PC, not a laptop, you can buy a serial card that plugs inside - these are pretty standard. For instance: http
Hi abti, highlight the centre conductor and extend the port in the z and (x/y) direction by an amount enough for the port modes to propagate, (also enclosing part of ground). If it is an antenna, use all open boundary. Run once and if there are ripples in return loss, active AR filter in the next run. Hope this helps. Element7k (...)