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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 (...)
hello every body , plz help me. when i simulated antenna in layered bio media then there are some error produced in cst software which are as follows? "Memory resources exhusted...solver stopped to solve matrix...program aborted" please tell me how can i remove this error? one more error: " the port 1 is inhomogenously filled within the
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! Just add: 1. Use Ieee.std_logic_unsigned.all; 2. en: in std_logic; 3. you have to extend a(0), a(1) etc to 4bit by "000"& Have a nice day! Library IEEE; Use Ieee.std_logic_1164.all; Use Ieee.std_logic_unsigned.all; entity add is port( a: in std_logic_vector(3 downto 0) ; en: in std_logic; sum:out std_logic_vecto
To answer 1 of your questions: If your antenna does not have "upper ground", you have to extend the port-rectangle beyond the substrate (by about 10xsubstrate height); rectangle upper edge is not touching anything.
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 (...)
There are lot of ways for the magic. I slect 1) The face of strip follwing pressing waveguide port 2) extend 5mm in both sides of x 3) Zmin should be ground and Zmax almost 3 times height of substrate 4) Define reference level exact measurement of S11 phase Regards
dear all, i wanted to increase the number of serial ports, by using USB port in my board, how can we do that any 1 has idea? well i will use a usb to serial convertyer device, but for that i will require driver right?so where can i get that? well in desktop windows that converter is automatically detected, OS assigns a COM port (...)
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 (...)
Hi, I am trying to simulate a simple coupled microstrip line with NO ground. The dimesions of the microstrip lines: w=0.25um,thickness= 0.05um, spacing=0.32um(only for simulation), height of the substrate is 0.1um. I wanted to know the type pf port to use . However I am using waveport, do i need to enclose the structure in air-box. Please let me
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 (...)