CPI 3.8 Meter C-Band Circular Rx/Tx High Wind Antenna

Electrical

C-Band Linear

C-Band Circular

Ku-Band Linear

X-Band Circular

Antenna Size

3.8 M

3.8 M

3.8 M

3.8 M

Operating Frequency (GHz) Receive

Transmit

3.625 - 4.20 GHz

5.845 - 6.425 GHz

3.625 - 4.20 GHz

5.845 - 6.425 GHz

10.95 - 12.75 GHz

13.75 - 14.50 GHz

7.25 - 7.75 GHz

7.9 - 8.4 GHz

Antenna Gain at Midband, Receive dBi (± 0.2dB)                                Transmit

42.00 dBi 46.50 dBi

41.80 dBi 46.3 dBi

51.20 dBi 53.00dBi

47.80 dBi 48.40 dBi

Antenna Noise Temperature

5° Elevation

10° Elevation

20° Elevation

40° Elevation

55 K

45 K

38 K

36 K

62 K

52 K

45 K

43 K

70 K

60 K

55 K

45 K

60 K

51 K

47 K

47 K

Sidelobe Envelope, Co-Pol (dBi)

100 λ/D ≤θ ≤ 20°

20° < θ ≤ 26.3°

26.3° < θ ≤ 48°

θ < 48°

29 - 25 Logq dBi

-3.5 dBi

32 - 25 Logq dBi

-10 dBi (averaged)

29 - 25 Logq dBi

-3.5 dBi

32 - 25 Logq dBi

-10 dBi (averaged)

29 - 25 Logq dBi

-3.5 dBi

32 - 25 Logq dBi

-10 dBi (averaged)

29 - 25 Logq dBi

-3.5 dBi

32 - 25 Logq dBi

-10 dBi (averaged)

Pattern Beamwidth                          -3 dB (in degrees at midband)                                         -15 dB

Rx: 1.40° Tx: 0.90°

Rx: 3.20° Tx: 2.00°

Rx: 1.40° Tx: 0.90°

Rx: 1.40° Tx: 0.90°

Rx: 0.50° Tx: 0.40°

Rx: 1.00° Tx: 0.90°

Rx: 0.80° Tx: 0.70°

Rx: 1.60° Tx: 1.50°

Power Handling

1 kW

1 kW

100 kW

2 kW

Cross Polarization Isolation On Axis

Within 1.0 dB Beamwidth

> 30 dB

> 27 dB

Rx > 15 dB Tx > 17.7 dB Rx > 15 dB Tx > 17.7 dB

Rx > 30 dB Tx > 35dB Rx > 25 dB Tx > 26dB

Rx > 23.2 dB Tx > 18.8 dB Rx > 23.2 dB Tx > 18.8 dB

Note: Standard C-band Circular polarization in Tx-Band provides an axial ratio of 1.3 (XPD equivalence of 17.7 dB). Optional F-1 station feed available with axial

ratio of 1.09 (XPD equivalence >27.3 dB) in Tx band. Call factory when specifying this option. X Band filters available upon request.

Output Waveguide                                Receive

Interface Flange                                 Transmit

CPR 229 F

CPR 137 or Type N

CPR 229 F

CPR 137 or Type N

WR 75

WR 75

WR 112

WR 112

VSWR                                Receive

Transmit

1.3:1 Max.(<-17.70 dB)

1.3:1 Max.(<-17.70 dB)

1.3:1 Max.(<-17.70 dB)

1.3:1 Max.(<-17.70 dB)

1.5:1 Max.(<-14.00 dB)

1.3:1 Max.(<-17.70 dB)

1.3:1 Max.(<-17.70 dB)

1.3:1 Max.(<-17.70 dB)

Mechanical

Reflector Material

Glass Fiber Reinforced Polyester SMC

Antenna Optics

Easy-to-assemble, 4 Pc., Offset Fed Prime Focus Design with 0.6 F/D optics.

Mast Pipe Size

10” SCH 80 Pipe (10.75” OD) 27.3 cm.

Elevation Adjustment Range

12° to 90° or 0° to 15° for Polar Latitudes

Azimuth Adjustment Range

360° Continuous with +/- 35° Fine Adjustment