EMC Test Antennas History, Design and Construction Stuart Kron, P.E. Sunol Sciences Corporation...

EMC Test Antennas

History, Design and Construction

Stuart Kron, P.E.Sunol Sciences CorporationPleasanton, Californiastu@sunolsciences.com

Multiband Dipole AntennaLength(ft.)=468/Freq.(MHz)

…. but don’t forget about the mechanical design.

Biconical Antenna30-300 MHz

Suppression of 280 MHz resonance

1:4 Guanella Balun

Log-Periodic Antenna200 MHz - 1 GHz

1957

1961

Element Attachment Techniques

Antenna without corrosion

Antenna with corrosion

+

=

Combination Antenna30 MHz - 2 GHz

Tuned Dipole Set30 MHz - 1 GHz

Horn Antennas

Tin CanHorn Antenna

Horn Antennas for802.11b Wireless Networks or

other 2.4 GHz Applications

Rectangular Horn Antenna

Standard Gain Horn AntennaFrequency Bands

0.96-1.46 GHz

1.12-1.70 GHz

1.70-2.60 GHz

2.60-3.95 GHz

3.95-5.85 GHz

5.85-8.20 GHz

8.20-12.40 GHz

12.40-18.00 GHz

18.00-26.50 GHz

26.50-40.00 GHz

Double-Ridged Waveguide Horn

Double-Ridged Waveguide Cross-Section