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Triple Feed Patch antenna by Maarten Baert

Triple Feed Patch antenna by Maarten Baert
Triple Feed Patch antenna by Maarten Baert
Triple Feed Patch antenna by Maarten Baert
Out Of Stock
Triple Feed Patch antenna by Maarten Baert
Triple Feed Patch antenna by Maarten Baert
Triple Feed Patch antenna by Maarten Baert
Triple Feed Patch antenna by Maarten Baert
  • Stock: Out Of Stock
  • Model: Triple Feed Patch antenna by Maarten Baert
  • SKU: 5843
AUD $19.72

Description

 
 

The Triple Feed Patch antenna is a directional circularly polarized antenna that I created in collaboration with Robin Theunis, and Marten Barret. The main design goals were:

  • Good radiation efficiency. Most FR4-based patches have terrible efficiency because FR4 is very lossy at 5.8 GHz.

  • Good axial ratio, not just directly perpendicular to the patch but also off-center.

  • Cheap and easy to manufacture with high accuracy, even for a hobbyist.

  • Easy swap from Right hand to left-hand polarization

Specifications

  • Center frequency: 5.8 GHz

  • Bandwidth: 660 MHz (5.47 – 6.13 GHz)

  • Matching: S11 < -20 dB, VSWR < 1.22 (at center frequency)

  • Axial ratio: < 1.3

  • Antenna gain: 9.4 dBi

  • Half power beam width: 55° (horizontal and vertical)

  • Radiation efficiency: 83.5%

These values are based on simulation, actual measurements are below (they are very similar). The center frequency may shift a bit between batches as a result of variations in the dielectric constant of FR4. Also, not all brands of FR4 have the same dielectric constant. Frequency shifts up to 100 MHz are normal.

Package includes:
1 x Antenna
1 x semi rigid SMA extension
 

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