SWRS293 November 2023 CC1312PSIP
PRODUCTION DATA
The antenna is the element used to convert the guided waves on the PCB traces to the free space electromagnetic radiation. The placement and layout of the antenna are the keys to increased range and data rates. Table 10-2 provides a summary of the antenna guidelines to follow with the CC1312PSIPmodule.
SR NO. | GUIDELINES |
---|---|
1 | Place the antenna on an edge of the PCB. |
2 | Ensure that no signals are routed across the antenna elements on any PCB layer. |
3 | Most antennas, including the PCB antenna used on the LaunchPad™, require ground clearance on all the layers of the PCB. Ensure that the ground is cleared on inner layers as well. |
4 | Ensure that there is provision to place matching components for the antenna. These must be tuned for best return loss when the complete board is assembled. Any plastics or casing must also be mounted while tuning the antenna because this can impact the impedance. |
5 | Ensure that the antenna characteristic impedance is 50-Ω as the module is designed for a 50-Ω system. |
6 | In case of printed antenna, ensure that the simulation is performed considering the soldermask thickness. |
7 | For good RF performance ensrue that the Voltge Standing Wave Ration (VSWR) is less than 2 across the frequency band of interest. |
9 | The feed point of the antenna is required to be grounded. This is only for the antenna type used on theLP-EM-CC1312PSIP LaunPad™. See the specific antenna data sheets for the recommendations. |
Table 10-3 lists the recommended antennas to use with the CC1312PSIP module. Other antennas may be available for use with the CC1312PSIPmodule. Please refer to the CC1312PSIP Manual Information for the End User and OEM Installation Guide for a list of approved antennas (and antenna types) that can be used with the CC1312PSIP module.
CHOICE | ANTENNA | MANUFACTURER | NOTES |
---|---|---|---|
1 | Integrated PCB antenna on the LP-EM-CC1312PSIP | Texas Instruments | +2.7 dBi gain at 915 MHz, see the LP-EM-CC1312PSIP refference design |
3 | External whip antenna | Pulse, W5017 | +0.9 dBi gain at 915 MHz |
4 | Chip antenna | Johanson Technology, 0900AT43A0070 | -0.5 dBi gain at 915 MHz |
5 | Chip antenna | Johanson Technology, 0915AT43A0026 | +1.0 dBi gain at 915 MHz |
6 | Helical wire antenna | Pulse, W3113 | +0.8 dBi gain at 915 MHz |