ORBIT FR Diagonal horns - Manual (Page 2)

2
The low sidelobe level of the diagonal horn results in extremely low specular reflections from chamber
walls, thus providing substantially improved quiet zone performance and greater measurement accuracy.
Electrical characteristics
PART NUMBER
DH 1000 DH 3000 DH 6500 DH 6500-MG DH 18000
Type of antenna Diagonal Horn Diagonal Horn Diagonal Horn Medium Gain Diagonal Horn
Diagonal Horn
Frequency range [GHz] 1 – 3 3 – 6.5 6.5 – 18 6.5 – 18 18 - 40
Average Gain 15 – 22 14 – 21 21 – 26 18 - 25 17 - 22
Average Sidelobe Level < -20 dB < -20 dB < -20 dB < -20 dB < -20 dB
VSWR < 1.9 < 1.9 < 1.9 < 1.9 < 1.9
Return loss < -10 dB < -10 dB < -10 dB < -10 dB < -10 dB
Isolation between adjacent horns (*) < - 60 dB < - 60 dB < - 60 dB < - 60 dB < - 60 dB
Polarization Single Linear Single Linear Single Linear Single Linear Single Linear
Impedance 50 Ohms 50 Ohms 50 Ohms 50 Ohms 50 Ohms
(*) Relative to two co-polarized adjacent horns, separated by 20 mm spacing between aperture corners, aligned along the H-plane
Boresight Realized Gain
DH 3000
DH 1000
DH 6500