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CPI 1.8 Meter Ku-Band Antenna Model 1182
- High-Efficiency Performance: Impressive midband gains of 45.0 dBi (Rx) and 46.5 dBi (Tx), with low 3 dB beam widths of 1.0° (Rx) and 0.8° (Tx).
- Exceptional Signal Quality: Carefully designed sidelobe envelope and > 30 dB cross-polarization isolation (on-axis) to minimize interference.
- Reliable Operation: Low noise temperature (35-44 K) and VSWR of 1.4:1 max for efficient power transfer and signal integrity.
Electrical Specifications
The Series 1182 antenna operates within the Ku-band frequency range, with the following key specifications:
| Specification | Receive (Rx) | Transmit (Tx) |
|---|---|---|
| Frequency Range | 10.70-12.75 GHz | 13.75-14.50 GHz |
| Midband Gain | 45.0 dBi | 46.5 dBi |
| 3 dB Beam Width | 1.0° | 0.8° |
These impressive electrical characteristics ensure the antenna can provide reliable and efficient performance in even the most demanding satellite communications environments.
Sidelobe Envelope
The Series 1182 antenna also features a carefully designed sidelobe envelope, which helps to minimize interference and optimize signal quality. The sidelobe envelope specifications are as follows:
| Angle (Θ) | Co-Pol Sidelobe Envelope (dBi) |
|---|---|
| 100λ / D < Θ ≤ 20° | 29 – 25 Log Θ |
| 20° < Θ ≤ 26.3° | -3.5 |
| 26.3° < Θ ≤ 48° | 32 – 25 Log Θ |
| 48° < Θ < 180° | -10 (Typical) |
This attention to detail in the sidelobe envelope design ensures the antenna can operate effectively without causing interference to neighboring systems.
Noise Temperature
The Series 1182 antenna also boasts impressive noise temperature specifications, which is crucial for maintaining signal quality and sensitivity. The noise temperature values at different elevation angles are as follows:
- 10° Elevation: 44 K
- 20° Elevation: 38 K
- 30° Elevation: 35 K
These low noise temperature figures help to minimize the impact of environmental factors on the overall system performance, making the Series 1182 antenna a reliable choice for critical satellite communications applications.
Cross-Polarization Isolation
Another key feature of the Series 1182 antenna is its excellent cross-polarization isolation, which helps to ensure clear and uninterrupted communication signals. The cross-pol isolation specification is:
- Rx: > 30 dB (On Axis)
- Tx: > 30 dB (On Axis)
This high level of cross-polarization isolation is essential for maintaining signal integrity and avoiding interference, particularly in dense satellite communications environments.
VSWR
The Series 1182 antenna also boasts a low VSWR (Voltage Standing Wave Ratio) specification, which is a measure of the impedance match between the antenna and the associated RF equipment. The VSWR specification for this antenna is:
- VSWR: 1.4:1 max
This low VSWR value ensures efficient power transfer and minimizes signal reflections, further enhancing the overall performance and reliability of the antenna system.
Feed Interface
The Series 1182 antenna utilizes the following feed interface:
- Rx: WR75 Flat
- Tx: WR75 Flat
This standardized feed interface makes it easy to integrate the antenna with a wide range of satellite communications equipment, simplifying installation and ensuring compatibility with a variety of system configurations.
Applications
The CPI 1.8 Meter Ku-Band Antenna (Series 1182) is a versatile and robust solution that can be deployed in a variety of satellite communications applications, including:
- Satellite Internet and Broadband Services
- Military and Government Communications
- Disaster Response and Emergency Communications
- Remote Site Connectivity
- Oil and Gas Exploration
- Maritime and Offshore Communications
- Broadcasting and Media Transmission
The antenna’s high-performance characteristics, combined with its rugged construction, make it an ideal choice for mission-critical applications that require reliable and efficient satellite communications
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