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We have a variety of tools on this page to help you make the right antenna choices.
Please use the navigation below to jump to each section for specific tools.
The characteristic impedance (Zo) of coplanar waveguide with ground with signal side ground plane can be calculated using the active calculator below. Simply input the required data fields to check your chosen dimensions ensure the impedance you require. For most antenna systems this is 50ohm. Selecting dimensions that get within 5ohms is considered a good transmission line.
(εeff) - The dielectric constant of FR4 normally ranges from 3.8 to 4.8. This can be found out from your PCB supplier or datasheet of the material you will use.
(H) - The height is the distance of your PCB stack-up between the component side layer where the transmission line is placed to the GND plane on the next layer below. If you have not decided on a final stack-up you should pick a height that your supplier recommends for your PCB layer count.
Enter the Transmitter power, cable loss, Antenna Gain and RX sensitivity to calculate the receive power and predict distance.
Transmitter
| This is the average maximum output power as stated in the manufacturers datasheet. Default to 8dBm for nominal BLE chip. | |
| If cable is used to connect to an antenna then the known cable loss should be used. |
Parameters
| GHz | ||
| Receive levels calculated by the loss of a power over a defined length (In meters) | (m) | |
| Introduce real world losses for different environments or known structures. | dB | |
Receiver
| This is the sensitivity of the receiving chip. This is stated in the manufacturers datasheet. This is set to -93dB default for nominal BLE chip. | |
| If cable is used to connect to an antenna then the known cable loss should be used. |
Tx Antenna
| dBi | ||
| dBi | ||
| % |
Rx Antenna
| dBi | ||
| dBi | ||
| % |
Result
| Tx output power level | Power received at RF port. | ||
| Power level at the transmit antenna | Rx level received at antenna of receiving antenna. | ||
Figure Result
Distance
| Quick Automatic maximum distance calculation. Peak Gain used to find value. | (m) | |
A high-performance solution for embedded design. For Ultra-Wide-Band applications. Dimensions: 10.0…
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