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27 Threads found on edaboard.com: 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.
extend the ground size(-x axis), and connect the ground but leave the empty space for signal strip. then paste the lump port between the signal and ground, set a integration line between them. try it.
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