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USER MANUAL

EMCO MODEL 3141 BICONILOG

TM

LOG-PERIODIC / T BOW-TIE ANTENNA

399236 Rev A

01/97

Archived 3/18/10

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Summary of Contents for BICONILOG 3141

Page 1: ...USER MANUAL EMCO MODEL 3141 BICONILOGTM LOG PERIODIC T BOW TIE ANTENNA 399236 Rev A 01 97 Archived 3 18 10...

Page 2: ...y transmit gain and receive antenna factor compared to a same length regular bow tie Although bow ties have been used for all elements on log periodic antennas in the past in EMC applications the adva...

Page 3: ...er calibration data is valid ONLY with the T bow ties intact The unique feature of the Model 3141 is the T bow tie elements A T bow tie increases the equivalent dipole electrical length thereby decrea...

Page 4: ...ropping vertically Both horizontal and vertical polarization is easily accomplished when the Model 3141 is mounted on a tower Vertical polarization on a tripod requires special consideration Since imm...

Page 5: ...any other field strength not shown multiply the power in watts by the desired E field squared or P E E P V m V m 2 1 Actual transmitted field strength should be verified using an EMCO Model 7100 seri...

Page 6: ...nd tip Figure 3 shows typical Model 3141 26 2000 MHz forward power required for 1 3 and 10 V m at 1 m from the tip of the antenna while Figure 4 is for 3 m from the antenna tip The power shown was mea...

Page 7: ...7 10 100 1000 MHz 1 10 100 SWR Figure 1 EMCO Model 3141 typical SWR 10 100 1000 MHz 5 10 15 20 25 30 35 AF dB 1 m 1 m 3 m 10 m Figure 2 EMCO Model 3141 typical antenna factor Archived 3 18 10...

Page 8: ...1 10 100 1000 W 1 V m 3 V m 10 V m 3 V m 80 AM Figure 3 EMCO Model 3141 typical 1 m forward power 20 30 40 50 60 70 80 MHz 0 1 1 10 100 1000 W 1 V m 3 V m 10 V m Figure 4 EMCO Model 3141 typical 3 m...

Page 9: ...y range 26 2000 MHz Input impedance 50 VSWR 2 1 average CW power 1 kW above 60 MHz 500 W below 60 MHz Symmetry 0 5 dB Connector N female Mechanical Height T bow tie 75 cm Width T bow tie 136 cm Depth...

Page 10: ...harged for our travel related costs This warranty does not apply to 1 Normal wear and tear of materials 2 Consumable items such as fuses batteries etc 3 Products which have been improperly installed m...

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