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TA C O A n t e n n a ’s o n g o i n g p o l i c y o f c o n t i n u i n g d e v e l o p m e n t m a y r e s u l t i n s p e c i f i c a t i o n c h a n g e s t o i t s p r o d u c t s .
LOG PERIODIC ANTENNASLPD-7, LPD-12•
ELECTRICAL SPECIFICATIONS
MODEL LPD-7 LPD-12Frequency (MHz) 190-250 225-400Gain (dBi min) 8.0 10.0VSWR (max) 1.55:1 1.55:1
Polarization Horizontal or Vertical Horizontal or VerticalHalf-power Beam Width
50 deg 40 degE-PlaneH-Plane 80 deg 60 deg
Front-to-Back Ratio (dB) 28 30Impedence 50 Ohm 50 OhmTerminal Impedence N Female N FemaleMaximum Power 500 Watts 500 Watts
TACO
LPD-7 (Horizontal polarization shown)
TACO Communications Inc.5512 Bearcreek Drive,Mechanicsburg, PA. 17050Tel: 717.975.0885 Fax: 717.763.0469Email: tacocomm@aol.comWeb Site: www.tacocommunications.com
TA C O C o m m u n i c a t i o n s ’ o n g o i n g p o l i c y o f c o n t i n u i n g d e v e l o p m e n t m a y r e s u l t i n s p e c i f i c a t i o n c h a n g e s t o i t s p r o d u c t s .
TACO Communications Inc.29 Sharp Road,
Brantford, OntarioN3T 5L8Canada
The LPD-Series antennas are comprised of dipole elementsconnected to a parellel pair of square Aluminum crossarms thatform the antenna transmission line. To accomplish end fire logperiodic operation, the elements are tapered from the front of theantenna to the back. These rugged 50 Ohm Log Periodic antennasare maintained at D.C. ground potential through the grounding ofthe crossarms at the rear of the antenna. A ground wire attached tothe crossarm mounting of the cable fitting will drain off static buildup and provide lightning protection.
Log PeriodicAntennas
Electrical SpecificationsModel LPD-7 LPD-12
Frequency Range (MHz) 190-250 225-400Gain (dBi min) 8.0 10.0VSWR (max) 1.55:1 1.55:1Polarization Horizontal or Vertical Horizontal or VerticalImpedance 50 Ohm 50 OhmTerminal Type N Female N FemaleMaximum Input Power 500 Watts 500 Watts
Mechanical SpecificationsModel LPD-7 LPD-12
Length 64.625 in (164.15 cm) 79.50 in (201.93 cm)Number of Elements 7 12Longest Element 32 in (81.3 cm) 26.75 in (67.95 cm)Weight 9.5 lbs (4.3 kg) 14 lbs (6.35 kg)Mounting 3 in O.D. max (7.82 cm) 3 in O.D. max (7.82 cm)
The LPD Series Log Periodic antennas are rugged for harsh environments. Two models are available LPD-7 and LPD-12. These Log Antennas are broadband and have flat gain levels across the entire frequency range. This broadband design minimizes de-tuning caused by ice. The antennas are cantilever mounted for ease of installation. All mounting hardware is included to mount up to a 3” O.D. pipe. The antennas are made of aluminum for light weight and longevity.
MODEL LPD-7 LPD-12Length 64.625 in (164.15 cm) 79.50 in (201.93 cm)Number of Elements 7 12Longest Element 32 in (81.3 cm) 26.75 in (67.95 cm)Weight 9.5 lbs (4.3 kg) 14 lbs (6.35 kg)Mounting 3 in O.D. max (7.82 cm) 3 in O.D. max (7.82 cm)Operating Temperature -40 to +80 -40 to +80
MECHANICAL SPECIFICATIONS
LPD-7 (horizontal polarization shown)
WIND LOADING
MODEL LPD-7 LPD-12Wind Load Area (Sq. Ft.)
1.12 1.38No Ice0.5” Radial Ice 1.90 2.35
Wind Load (Ft.-Lbs.) 109 134* No Ice, 100 mph wind
** 0.5” Radial Ice, 50 mph wind 52 64
* Wind Speed = 100 MPH at sea level with 100% Humidity at 700 F
** Wind Speed = 50 MPH at sea level with 100% Humidity at 00 F
NOTES:
US And InTernATIOnAl SAleS AGenT CAnAdIAn SAleS OFFICe
TACO AntennaA divsion of Wade Antenna, Inc.
29 Sharp Road,Brantford, Ontario, N3T 5L8, Canada
Tel: 519.756.7157Fax: 519.756.5056
cansales@tacoantenna.com
TACO Antenna Sales Rep
Tel: 717.975.0885Toll Free: 866.975.4433Fax: 717.763.0469Email: sales@tacoantenna.comWeb Site: www.tacoantenna.com
TACOAntennaA d i v i s i o n o f WA D E A n t e n n a , I n c .
LOG PERIODIC ANTENNA PATTERNS
LPD-7 H-PLANE LPD-7 E-PLANE
LPD-12 H-PLANE LPD-12 E-PLANE
US And InTernATIOnAl SAleS AGenT CAnAdIAn SAleS OFFICe
TACO AntennaA divsion of Wade Antenna, Inc.
29 Sharp Road,Brantford, Ontario, N3T 5L8, Canada
Tel: 519.756.7157Fax: 519.756.5056
cansales@tacoantenna.com
TACO Antenna Sales Rep
Tel: 717.975.0885Toll Free: 866.975.4433Fax: 717.763.0469Email: sales@tacoantenna.comWeb Site: www.tacoantenna.com
TA C O A n t e n n a ’s o n g o i n g p o l i c y o f c o n t i n u i n g d e v e l o p m e n t m a y r e s u l t i n s p e c i f i c a t i o n c h a n g e s t o i t s p r o d u c t s .
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