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INSTRUCTION MANUAL

AM-741R

ACTIVE MONOPOLE ANTENNA

1912 1 E l T o ro R d

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Si l vera do, Ca lifo rni a 9 26 76

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(9 49) 459 -96 00

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co m-p o wer. com

REV112216

INSTRUCTION MANUAL

for

ACTIVE

MONOPOLE ANTENNA

(with Remote Interface Option)

Model:

AM-741R

Содержание AM-741R

Страница 1: ...RUCTION MANUAL AM 741R ACTIVE MONOPOLE ANTENNA 19121 El Toro Rd Silverado California 92676 949 459 9600 com power com REV112216 INSTRUCTION MANUAL for ACTIVE MONOPOLE ANTENNA with Remote Interface Opt...

Страница 2: ...s Controls Indicators 8 3 5 Product Specifications 11 4 0 Measurement Correction Factors 13 4 1 Antenna Factors 14 4 2 Preamplifier Gain Factors 14 4 3 Insertion Loss Factors 14 4 3 1 Insertion Loss M...

Страница 3: ...ns Controls Indicators 10 FIGURE 5 AM 741R Active Monopole Antenna Dimensions 12 FIGURE 6 RAI 100 Remote Antenna Interface Dimensions 12 FIGURE 7 Setup for Reference Measurements R 15 FIGURE 8 Setup f...

Страница 4: ...tive Monopole Antenna connections controls and indicators product specifications safety precautions operational instructions calibration instructions measurement guidelines and warranty information In...

Страница 5: ...s CDN Comb Generators Current Probes Emissions Test Systems Conducted Immunity Test Systems Impedance Stabilization Networks ISN Line Impedance Stabilization Networks LISN Antenna Masts Near Field Pro...

Страница 6: ...ries is suspected or if the package contents are not complete contact Com Power or your Com Power distributor Please check the contents of the shipment against the package inventory in section 3 2 to...

Страница 7: ...ructions WATER AND MOISTURE Do not use the instrument near water WALL OR CEILING MOUNTING Do not mount the instrument on a wall or ceiling HEAT The instrument should be situated away from heat sources...

Страница 8: ...Type N female connector for connection of telescoping monopole element or 10 pF capacitor during calibration Remote Link LED Indicator 6 Indicates active connection with RAI 100 Remote Antenna Interfa...

Страница 9: ...Provides access to input power fuse Battery Access Panel 14 Provides access to internal battery pack FIGURE 3 AM 741R Connections Controls Indicators Bottom Panel Antenna Mounting Hole x 20 threads p...

Страница 10: ...red stand by mode Battery Low Indicator 4 Indicates that the AM 741R battery level is getting low and will soon require charging Saturation LED Indicator 5 Indicates that the AM 741R amplifier is in s...

Страница 11: ...n Level 350 mV m 120 dB V m VSWR output port 1 01 to 1 329 average 1 06 1 typical Return Loss output port 17 to 41 1 average 33 1 1 typical Electrical DC Power Input 6 VDC AC to DC Power Adapter 6 VDC...

Страница 12: ...m W D 23 8 60 5 cm H 2 75 7cm 7 4 18 8cm 16 3 41 4cm AM 741R ACTIVE MONOPOLE ANTENNA 9 kHz to 60 MHz ON OFF BATTERY LOW OUTPUT 50 RF OUTPUT ON SATURATION CHARGING RF OUTPUT REMOTE ACCESS POWER REMOTE...

Страница 13: ...in Factors for preamplifiers and the cables attenuators adapters filters etc can all be lumped into one general category 3 Insertion Loss Factors These three categories of correction factors are discu...

Страница 14: ...the overall system noise level The AM 741R is an Active Monopole Antenna and contains an internal preamplifier so additional signal amplification should not be needed Additionally the preamplifier ga...

Страница 15: ...ith the appropriate frequency capabilities such as a signal generator function generator or even a Com Power Comb Generator 4 3 1 1 Insertion Loss Measurement Procedure 1 REFERENCE MEASUREMENTS R With...

Страница 16: ...ng the measurement path FIGURE 9 Typical measurement system for AM 741R In the following example we will convert an uncorrected voltage measurement into a electric field strength for comparison to the...

Страница 17: ...M 741R Active Antenna Factor 2 The Insertion Loss Factor for the cable connecting the AM 741R to the measuring instrument We ll assume that the insertion loss of the cable at 30 MHz is 2 dB And by ref...

Страница 18: ...hown in Figure 10 is the arrangement described in the most recent editiions of MIL STD 461 Figure 11 shows the classic arrangement required by older editions of MIL STD 461 and RTCA DO 160 as well as...

Страница 19: ...NNA 19121 El Toro Rd Silverado California 92676 949 459 9600 com power com REV112216 FIGURE 11 Classic Test Arrangement height specified within standard to measurement equipment 104 cm 1 meter EQUIPME...

Страница 20: ...on both the RAI 100 and AM 741R should be lit Now turn on the Active Antenna s RF Output by pushing the RF OUTPUT ON OFF pushbutton on the RAI 100 or on the AM 741R As long as the RF OUTPUT ON LED Ind...

Страница 21: ...scribed in ANSI C63 4 SAE ARP 958 CISPR 16 1 4 and other standards 6 1 1 Normalization Measurements VNORM As shown in Figure 13 the test setup is normalized by connecting both the 50 RF output of a ne...

Страница 22: ...ogarithmically spaced intervals Results are recorded as VCAL FIGURE 14 Monopole Calibration Measurement using ECSM Method 6 1 3 Calibration Calculations The difference between the measurements describ...

Страница 23: ...nty to repair damage resulting from attempts to install repair service or modify the instrument by personnel other than Com Power service representatives Under no circumstances does Com Power recogniz...

Страница 24: ...0 92 0 05 0 56 20 00 0 95 0 06 0 56 22 00 0 99 0 07 0 56 24 00 1 08 0 08 0 57 26 00 1 15 0 09 0 58 28 00 1 28 0 1 0 59 30 00 1 35 0 2 0 61 32 00 1 43 0 4 0 63 34 00 1 52 0 6 0 63 36 00 1 63 0 8 0 63...

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