Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Com-Power ALFM-80120
Summary of Contents for Com-Power ALFM-80120
- Page 1 Page 1 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna INSTRUCTION MANUAL Log Periodic Antenna ALFM‐80120 88 MHz to 108 MHz (Extendible to 80 to 120 MHz) 19121 El Toro Rd ● Silverado, CALIFORNIA 92676 ● (949) 459‐9600● com‐power.com REV111315 ...
-
Page 2: Table Of Contents
Page 2 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna Table of Contents Introduction....................... 3 Product Specifications .................... 4 Important Safety Precautions .................. 5 Warranty ........................ 6 Maintenance ...................... 6 Assembly Instructions .................... 7 Typical Performance Data .................. 9 Figure 1: Assembly diagram of antenna ................7 Figure 2: Elements installation diagram ................8 Figure 3: Antenna Factor and Isotropic Gain @ 1 mtr test distance....... 9 ... -
Page 3: Introduction
Page 3 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 1.0 Introduction This manual includes product specifications, safety precautions, product maintenance and warranty information. Information contained in this manual is the property of Com‐Power Corporation. It is issued with the understanding that none of the material may be reproduced or copied without permission from Com‐Power. ... -
Page 4: Product Specifications
Page 4 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 2.0 Product Specifications Model: ALFM‐80120 Frequency Range: 88 MHz to 108 MHz (extendible to 80 MHz to 120 MHz) Polarization: Linear Nominal Impedance: 50 Ω Power Handling: 2500 watts (CW) max. Connector: 7 – 16 DIN Female Antenna Factor: 6 to 8 [dB(m‐1)] (@ 1 mtr distance) Isotropic Gain: 1.5 to 5 dBi (@ 1 mtr distance) VSWR: ... -
Page 5: Important Safety Precautions
Page 5 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 3.0 Important Safety Precautions Do not exceed Max RF input level stated in the specifications. Excessive RF input might damage the RF feeder cable or connector. When in operation, the RF voltages on the center pin of the RF input connector are transferred to the feeder tubes and elements and it can be hazardous. Do not come into contact with the feeder tubes or elements when the RF input connector is connected to a live RF source. To avoid injury to personnel and accidental damage to power amplifier or antenna, disable the RF ... -
Page 6: Warranty
Page 6 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 4.0 Warranty Com‐Power warrants to its Customers that the products it manufactures will be free from defects in materials and workmanship for a period of 3 years. This warranty shall not apply to: • Transport damages during shipment from your plant. • Damages due to poor packaging. • Products operated outside their specifications. • Products Improperly maintained or modified. • Consumable items such as fuses, power cords, cables, etc. • Normal wear • Calibration • Products shipped outside the United States without the prior knowlege of Com‐ Power. In addition, Com‐Power shall not be obliged to provide service under this warranty to repair ... -
Page 7: Assembly Instructions
Page 7 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 6.0 Assembly Instructions Com‐Power ALFM‐80120 Log periodic antenna is dissassebled for ease of shipping and handling. Items Inlcuded in the shipment: i) Feeder tubes. ii) Ten pairs of log elements. Care must be taken in assembling the elements in the correct order and direction to maintain the performance of the antenna as per specification. Two important aspects for assembly are, ... -
Page 8: Figure 2: Elements Installation Diagram
Page 8 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna For ease of identification, the storage bags for each pair of elements are marked with numbers one through ten corresponding to the position of the element on the feeder tubes. The channel groove on the underside of the bottom feeder tube is marked respectively for easy pairing with elements. There is an arrow indicator next to each number which depicts direction of the protrusion of the element on the bottom feeder tube (as shown in the figure below). Figure 2: Elements installation diagram Please note that the direction depicted is for the element attaching to the slots on the bottom ... -
Page 9: Typical Performance Data
Page 9 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna 7.0 Typical Performance Data Figure 3: Antenna Factor and Isotropic Gain @ 1 mtr test distance. Figure 4 VSWR and Return Loss. 19121 El Toro Rd ● Silverado, CALIFORNIA 92676 ● (949) 459‐9600● com‐power.com REV111315 ... -
Page 10: Figure 5: Typical Forward Power Levels
Page 10 of 10 INSTRUCTION MANUAL ALFM‐80120 Log periodic Antenna Figure 5: Typical forward power levels. Field strengths have been calculated for free‐space conditions. Individual shielded rooms, amplifiers, and test‐system conditions will influence performance. Field strength also varies with frequency and position of antenna and EUT in non‐anechoic testing environments. 19121 El Toro Rd ● Silverado, CALIFORNIA 92676 ● (949) 459‐9600● com‐power.com REV111315 ...
Need help?
Do you have a question about the ALFM-80120 and is the answer not in the manual?
Questions and answers