How do you calculate the length of a microstrip?
Once the effective dielectric constant is calculated, the guided wavelength through the microstrip can be calculated by dividing the free space wavelength (which is the wavelength of light) by the square root of the effective dielectric constant.
What is microstrip line feed?
1) Microstrip Line Feed: In this type, a conducting strip is connected directly to the edge of the Microstrip patch as shown in Fig. 2. The patch is wider than the conducting strip. Thus the feed can be etched on the same substrate to provide a planar structure.
How do you measure antenna size?
Two versions are given for this length calculation – one using the length in metres and the other for the length in inches.
- length (metres)=150 Af.
- length (inches)=5905 Af.
- length (feet)=492 Af.
How do you calculate electric length?
To calculate the electrical length of the line you need to multiply the velocity factor of the line (available from the supplier of the line) by the free space length. For the length in feet, this is (983.6 / frequency in MHz) * velocity. For the length in meters, this is (299.8 / frequency in MHz) * velocity.
What is the difference between microstrip and stripline?
Stripline is a PCB transmission line trace surrounded by dielectric material suspended between two ground plane layers within of a printed board. Microstrip line routing is a transmission line trace routed on an external layer of the board.
How do you feed a microstrip antenna?
Microstrip antennas can also be fed from underneath via a probe as shown in Figure 3. The outer conductor of the coaxial cable is connected to the ground plane, and the center conductor is extended up to the patch antenna. Figure 3. Coaxial cable feed of patch antenna.
What is coaxial probe feed?
The Coaxial feed or probe feed is one of the most common techniques used for feeding microstrip patch antennas. As seen from figure 1.2, the inner conductor of the coaxial connector extends through the dielectric and is soldered to the radiating patch, while the outer conductor is connected to the ground plane.
How do you calculate antenna gain with HFSS?
In HFSS go to HFSS tab> Results> Create Far Filed report> Rectangular Plot>select trace tab> Prime Sweep: select Freq> select Gain > select dB> go to familes tab > select Theta=0 and Phi=0 >then click New Report. Fallow this step and we have seen Gain Vs Frequency plot in HFSS.
What is the length of the antenna in volleyball?
The antenna is a flexible rod, 1.8m long and 10mm in diameter and made of fibreglass or similar material. It is fastened on opposite sides of the net. The top of the antenna extends 80cm above the net and is marked with 10cm stripes of contrasting colour, usually red and white.
What is the correct length of an antenna?
An antenna – usually 1/2 wavelength long – split at the exact center for connection to a feed line. Dipoles are the most common wire antenna. Length is equal to 1/2 of the wavelength for the frequency of operation. An antenna – usually 1/2 wavelength long – split at the exact center for connection to a feed line.
How do I use the microstrip calculator?
The microstrip calculator determines the width and length of a microstrip line for a given characteristic impedance (Zo) and electrical length or vice versa. The substrate parameters (ε r and h) and the frequency of interest are required. Enter values for Zo and Electrical Length to determine the physical width and length of the microstrip line.
How do you find the length of a microstrip in AutoCAD?
Enter values for Zo and Electrical Length to determine the physical width and length of the microstrip line. Press Synthesize to see the results. Enter values for W and L for a microstrip line to determine its Zo and Electrical Length. Press Analyze to see the results.
What is the gap between microstrip feed G and WMF?
Some authors suggest that gap ” g ” will be at least half of the width of the microstrip feed ” Wmf “, others works suggest that the gap to be equal to Wmf, althought no theoretical justification was given for this rule. Someone would have a theoretical referential for this question?
What is the bandwidth of microstrip patch antenna in HFSS at 28GHz?
I have designed a microstrip patch antenna in HFSS at 28 GHz, its bandwidth is almost 1.5 GHz. Anyone can help me out that how can i increase the bandwidth? What is the optimized gap size of an inset-fed Rectangular Microstrip Patch Antenna?