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Home » Dual Polarized Log Periodic Antenna

Dual Polarized Log Periodic Antenna
 

Dual Polarized Log Periodic Antenna

Dual polarized log periodic antenna manufactured by Antenna Experts are in compiance with MIL-STD-810G standards. The military and intelligence communities face a difficult challenge - the need to monitor communications over a very wide frequency range without being detected. Present electronic surveillance systems employ multiple antennas that are either large or noisy. Antenna Experts antenna systems provides passive dual polarized log periodic antenna in compact, versatile form factors that provide extreme wideband performance. The LPDP series ranges of high gain dual polarized log periodic dipole array are high gain array that provides strong performance over the operating frequency range of 20 MHz to 3000 MHz. as our dual polarized log periodic dipole antenna does not use loading technique to reduce the overall size of array. Dual polarized log periodic antennas greater than 500MHz are supplied with radome / enclosure made of fiberglass to make these antenna 100% weather proof.

Our military grade high gain dual polarized log periodic antennas are ideal for spectrum monitoring, surveillance, jamming and EMC applications due to its wide band design features. Our LPDP series dual polarized log periodic antenna generates high electric fields required for radiated immunity and emissions EMC test measurements, and features high gain, low VSWR, moderate power handling, broadband range, and a robust mechanical design.Dual polarized log periodic dipole antenna use 6063T6 ultra corrosion resistant architectural anodized aluminum alloy and designed to provide wideband directional transmission/reception of radio signals from 20-3000MHz bands. Dual polarized log periodic antennas are supplied with powder coating finish to protect it further from sever environmental conditions. The extra spacers are used between the support booms to improve mechanical durability of dual polarized log periodic antenna.

Once realized in the metal shop, our high power dual polarized log periodic antennas are fully tested to the required specifications using a comprehensive range of calibrated test equipments. Radiation patterns, gain measurements and Antenna Factor are measured on our open area test site. Our High Performance Dual Polarized Log Periodic Antennas enable transmission/reception, or both, of RF signals simultaneously in two orthogonal polarizations. Our LPDP series dual polarized log periodic antennas are great for use in RF spectrum analysis, Ideal for Interference detection and surveillance application. Our dual polarized horn antennas provide excellent isolation between two ports. Our dual polarized log periodic dipole antennas can be used to obtain Circular Polarized operation with a suitable hybrid coupler.

The LPDP series MIL-STD dual polarized log periodic dipole antennas are particular suitable for Signal Intelligence SIGINT application, Electronic Warfare EW application, surveillance application, RCIED jamming, transmission, reception, spectrum monitoring and scanning applications due to its capability of receiving/transmitting both the vertical & horizontal (E & H) polarized signals simultaneously with 2 independently terminations.The Dual Polarized Log Periodic Dipole Array operates at D.C. ground with low resistance discharge path for protection against lightning and for immunity to noise. The dual polarized log periodic antenna can be supplied with customized mounting hardware. All our dual polarized log periodic antenna can be supplied with Antenna factor AF chart on request.

Also our LPDP series heavy duty dual polarized log periodic antenna can be used to generate Left Hand Circular Polarized (LHCP) or Right Hand Circular Polarized (RHCP) signals (field selectable) using 90 Degrees hybrid coupler (not supplied by us). If user connects these two feed lines (both terminations of array) directly to the quadrature hybrid’s output, the power delivered to each of orthogonal log periodic arrays will be 90 Degrees out of phase just like they came out of quadrature hybrid coupler. As a result of this user can generate switchable left hand or right hand circular polarized signals.The LPDP series Dual or Cross Polarized LPDA features high power handing capabilities, high efficiency, low VSWR and robust mechanical design to accommodate the most extreme environments condition.

The LPDP-20-80-500 & LPDP-20-3000L compact size military dual polarized log periodic dipole antennas system are particular suitable for transmission, reception, monitoring application, surveillance application, signal intelligence application, electronic warfare application scanning application and jamming application due to its broad band design feature, small size and high power handling capacity. This LPDP-20-80-500 & LPDP-20-3000L compact size dual polarized log periodic antennas uses loading technique to reduce the overall size of array. This tactical cross elements compact size dual polarized log periodic dipole antenna systems are particular suitable for spectrum monitoring applications or low power Tx. application due to its broad band design feature, small size and its capability of receiving / transmitting both the E & H polarized signals simultaneously.

The LPDP-300-3000 high gain dual polarized log periodic antenna uses ultra corrosion resistant architectural anodized aluminum alloy. It is designed to provide wideband directional transmission/reception of horizontal and vertical radio signals from 300-3000 MHz bands. The extra spacers are used between the support booms to improve mechanical durability of antenna. The specially designed mounting arrangement results in fast installation. This dual polarized log periodic dipole antenna system is particular suitable for transmission, reception, monitoring, scanning and jamming applications due to its capability of receiving/transmitting both the E & H polarized signals simultaneously. This high gain cross LP provides strong performance over the entire frequency of 300-3000 MHz as the LPDA does not use loading technique to reduce the overall size of array.

The LPDP-30-1000 wide band dual polarized log periodic antenna is designed to provide wideband directional transmission/reception of horizontal and vertical radio signals from 30-1000 MHz bands. The extra spacers are used between the support booms to improve mechanical durability of antenna. The specially designed mounting arrangement results in fast installation. This dual polarized log periodic dipole antenna system is particularly suitable for transmission, reception, monitoring, scanning and jamming applications due to its capability of receiving/transmitting both the E & H polarized signals simultaneously. This high gain LP provides strong performance over the entire frequency of 30-1000 MHz as the LPDA does not use loading technique to reduce the overall size of array.

Please refer to our "Dual Polarized Log Periodic Antenna" section for more details on log periodic dipole antenna antenna products datasheets and installation manual. Also you can ask us for detailed datasheets of these dual polarized log periodic antnnas in pdf format including pictures, VSWR curves and radiation patterns.

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