ANT-1040A Airborne Spinning DF Antenna

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ANT-1040A Airborne Spinning DF Antenna

Overview

The ANT-1040A from Rockwell Collins is an airborne spinning DF antenna that delivers superior surveillance and reconnaissance. Covering the 0.5 to 40 GHz frequency range, this antenna has spin rates from 0 to 200 RPM. You can choose to outfit your CS-1040 with an OMNI antenna set integrated into the radome and supporting the same frequency range. The CS-1950 Antenna Interface Unit provides DC power and fiber-optic control.

Antennas in the spinning DF segment include a LOG periodic covering the 0.5 to 2 GHz band, a parabolic antenna with LOG periodic feed (optional vertical and horizontal separate feeds available) and a dual ridge horn antenna for the 18 to 40 GHz range.

Airborne Spinning DF Antenna (0.24Mb PDF)

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Features & Benefits

Specifications

Typical System

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Key Features & Benefits

0.5 to 40 GHz DF coverage
Internal 18 to 40 GHz down conversion
Internal pre-amplification
Optional OMNI antennas
Internal limiters
Fiber optic interface
0 to 200 RPM spin rate

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> Performance

> Physical Specs

> Power

Frequency	0.5 - 2 GHz LPA 2 – 18 GHz parabolic reflector
Polarization	0.5 - 2 GHz: 45º slant linear 2 - 40 GHz: 45º slant linear
Elevation Beamwidth	20º typ (-5º to +15º)
DF Antenna	Freq (GHz)	Min (dBi)	Typ Gain(dBi)
Log Periodic	0.5 - 2	4.0	6.5
Parabolic	2.0	8.0	10.5
	4.0	12.0	14.5
	8.0	13.0	16.0
	12.0	17.0	19.0
	18.0	19.0	21.0
Horn	40.0	21.0	23.0
DF Beamwidth	Freq (GHz)	Max (deg)	Typ Gain(deg)
Log Periodic	0.5 - 2	85.0	72.0
Parabolic	2.0	24.0	20.0
	4.0	12.0	10.5
	8.0	6.0	5.5
	12.0	4.0	3.3
Horn	40.0	3.0	2.4
Azimuth Squint	Freq (GHz)	Typ Gain(deg)
	0.5 - 2	±4.0
	2 - 12	±1.5
	12 - 18	±1.0
Vertical – Horizontal Isolation	10 - 12 dB typ (2-18 GHz band)
DF Antenna Modes	Spin, sector scan, point
Spin Rate/DF Search	0 to 200 RPM selectable
Scan Rate >30 Deg Sector	10 – 60 deg/sec
Scan rate <30 deg sector	2 x sector width deg/sec

Size	19.5 in (50 cm) diameter x 20.5 in (52.1 cm) height
Weight (Spinning DF) Pedestal	47lbs (21.3 kg) max

48 VDC, 3.8 A (182 W)

Frequency	0.5 - 2 GHz LPA 2 – 18 GHz parabolic reflector
Polarization	0.5 - 2 GHz: 45º slant linear 2 - 40 GHz: 45º slant linear
Elevation Beamwidth	20º typ (-5º to +15º)
DF Antenna	Freq (GHz)	Min (dBi)	Typ Gain(dBi)
Log Periodic	0.5 - 2	4.0	6.5
Parabolic	2.0	8.0	10.5
	4.0	12.0	14.5
	8.0	13.0	16.0
	12.0	17.0	19.0
	18.0	19.0	21.0
Horn	40.0	21.0	23.0
DF Beamwidth	Freq (GHz)	Max (deg)	Typ Gain(deg)
Log Periodic	0.5 - 2	85.0	72.0
Parabolic	2.0	24.0	20.0
	4.0	12.0	10.5
	8.0	6.0	5.5
	12.0	4.0	3.3
Horn	40.0	3.0	2.4
Azimuth Squint	Freq (GHz)	Typ Gain(deg)
	0.5 - 2	±4.0
	2 - 12	±1.5
	12 - 18	±1.0
Vertical – Horizontal Isolation	10 - 12 dB typ (2-18 GHz band)
DF Antenna Modes	Spin, sector scan, point
Spin Rate/DF Search	0 to 200 RPM selectable
Scan Rate >30 Deg Sector	10 – 60 deg/sec
Scan rate <30 deg sector	2 x sector width deg/sec

Size	19.5 in (50 cm) diameter x 20.5 in (52.1 cm) height
Weight (Spinning DF) Pedestal	47lbs (21.3 kg) max

48 VDC, 3.8 A (182 W)

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