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Log-Periodic Antennas

70 MHz - 3 GHz

Model LP80 Log-Periodic Antenna
Models LP70, LP80 & LP100 are directional antennas designed for transmitting and receiving RF signals from 70, 80 or 100MHz up to 3GHz. The broadband characteristics of the log-periodic structure enable it to operate with a nearly constant gain and radiation pattern over the entire frequency range. Innovative design and manufacturing techniques result in long-lasting strength and performance. The antenna boom is made from a custom aluminum extrusion that reduces the number of mechanical RF junctions. Dipole elements are attached to the boom by a technique that maintains excellent electrical characteristics for the life of the antenna. A tough powder coat finish with UV inhibitors seals the aluminum structure and protects it from sunlight and moisture. The LP70, LP80 & LP100 have a rear tube that allows polarization adjustments without changing antenna height. This also minimizes the effect of the RF cable by keeping it well behind the antenna elements. The SNAP! mount provides a secure interface to antenna positioning towers. It locks the antenna in place and prevents unwanted rotation during polarization changes.
Model LP80 Antenna Overlooking Boston Harbor
Permanently attached dipole elementswith powder coat finish
Mounting
Our Log-Periodic antennas have a 22 mm diameter stainless steel rear mounting tube. This configuration enables polarization changes without physical displacement of the antenna, and minimizes the effect of the RF cable by keeping it well behind the antenna elements. The Sunol SNAP! mount provides a secure interface to most antenna positioning towers. It locks the antenna in place, prevents unwanted rotation and facilitates rapid antenna changes.
Specifications
Frequency Range:
LP70 : 70 MHz - 3 GHz LP80 : 80 MHz - 3 GHz LP100 : 100 MHz - 3 GHz
Impedance:
50 ohms nominal
VSWR:
Less than 2:1
Connector:
Type N jack
Polarization:
Linear
Input Power:
See curve below
LP70 Dimensions:
83" long x 86" wide
LP80 Dimensions:
94" long x 75" wide
LP100 Dimensions:
82" long x 60" wide
Weight:
25, 21, 15 pounds
Mounting Tube:
22 mm Diameter Stainless Steel
Finish:
Powder Coat
ISO 17025 Accredited Calibration Available
Applications
Options
Radiated Emissions
Tripod
Radiated Immunity
Tripod Mount (Model TRAM-1)
Pre-scan / Full Compliance
SNAP Mount
Site Survey / E-Field Measurements
Carrying Case
Data Sheet

SCIENTIFIC HARDWARE SYSTEMS

8525 Forest Street, Suite C Gilroy, California 95020
Tel: (408) 848-8868 sales@scientifichardware.com
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