Experience in Research and Development of Antennas

Patch Antennas:

• Inset-fed coupling
• Probe-fed coupling
• Proximity coupling
• Aperture coupling
• Single patch
• Stacked patch

Dielectric Resonator Antennas:

• Proximity coupling
• Aperture coupling
• Single resonator
• Stacked resonator
• Vivaldi resonator
• other shapes 

Spiral Antennas:

• Archimedean
• Sine
• Two arm and four arm
• Multi mode
• Non self-complementary
• Cavity backed

Horn Antennas:

• Optimum gain horn antennas
• Corrugated horn antennas

Antenna arrays:

• Patch arrays
• Frequency ranges:
  • GPS, GLONASS at 1,5 GHz
  • GSM1800, DECT, UMTS 2 GHz
  • TerraSAR-X at 9,65 GHz
  • aeroplane-antenna at 14.85 GHz
  • ACC-radar antenna at 24 GHz
• Feed networks:
  • serial
  • parallel
  • based on Wilkinson
  • based on Hybrids
  • combined
• polarizations:
  • linear
  • circular
  • dual
• Arrays of  dielectric resonator antenna:
  • linear polarized
  • 45° polarized
• Dipolarrays
  • single-Band
  • dual-Band
  • multi-Band

Antennas for mobile device:

• Inverted-F
• PILA
• Double-PILA
• Meander-Line
• dielectric resonator antennas
• Spiral antennas

Multi-branch logarithmic-periodic Antennas:

• Antenna types:
  • H - antenna (bidirectional vertical radiation )
  • H - antenna with a broadband reflector (unidirectional vertical radiation )
  • S - antenna (bidirectional " end-fire " - radiation )
  • S-antenna with a broadband reflector (bidirectional V - shaped radiation )
  • X - antennas :
    • omnidirectional
    • bidirectional
    • X -shaped radiation
  • X - antenna with a broadband reflector
    • conical directivity
    • unidirectional vertical radiation
    • X-shaped radiation
  • Y - antenna (omnidirectional)
  • Y - antenna with a broadband reflector (conical directivity )
  • Z antennas
    • bidirectional " end-fire " - radiation
    • X-shaped radiation
  • Y - antenna with a broadband reflector (bidirectional V - shaped radiation )

• Frequency ranges:
  • Single-Band (GSM, UMTS or WLAN)
  • Dual-Band (WLAN 2,45 GHz and 5 GHz)
  • Ultra-broad-band (from 0,89 GHz to 5,85 GHz)
• Applications:
  • Multiband-Basis station antenna for Indoor-communication in:
  • Office
  • Hot-Spots
  • aeroplanes
  • ships
  • trains
  • UWB-systems

RFID-Antennas

• coil antennas
• resonant antennas

Vivaldi-Antennas

• planar PCB antennas
• waveguide antennas 

All these antennas has been designed, built and measured up by Sevskiy GmbH!