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10630-M Riggs Hill Road,

Jessup, MD 20794

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Antenna Animation Antenna Design & Manufacturing Corporation
1-301-498-1140
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EMI, EMC AND TEMPEST ANTENNAS

 

1.      PASSIVE CONICAL MONOPOLE, MODEL PCM-213/A

 

Model PCM-213/A is a broadband passive conical monopole antenna designed for transmit/receive applications, like electric field strength measurement and surveillance over the frequency range from 20 to 1300 MHz.  The conical monopole is linearly polarized and produces omni directional radiation pattern, with a nominal gain of 4 dBi in broadband mode (above resonance) on a large ground plane.

 

SPECIFICATIONS

 

Frequency:                                          20 to 1300 MHz

Polarization:                                          Vertical

Directivity:                                            Omni-directional

Antenna Factor:                         See graph

VSWR:                                                3 : 1 average

RF Connector:                                           Type N female

Height:                                                  20

             Diameter:                                            34 at the top and 8 at the base

            Weight:                                     5 lbs.

            Finish:                                                   Iridite finish

 

OPTIONS

 

        Base Plate

        Radome (Epoxy White)

 

2.      ACTIVE CONICAL MONOPOLE, MODEL ACM-310/A

 

Model ACM-310/A is a broadband active conical monopole antenna designed for receive applications only, like electric field strength measurement, EMI, EMC and surveillance over the frequency range from 30 to 1000 MHz.  The antenna provides excellent sensitivity at all frequencies with in the frequency range of operation.

 

SPECIFICATIONS

 

Frequency:                                          30 to 1000 MHz

Power Gain:                                        17.5 dBi +/- 1

Out Put Impedance:                              50 Ohms nominal

Preamplifier:                                        

Gain:                                                    14.5 +/- 1 dB

Noise Figure:                                      3.5 dB max

1 dB Compression:                          7 dBm

2nd Order Intercept:                                11.5 dB

3rd Order Intercept:                                7.0 dB

Power:                                                 12 to 15 Volts at less than 25 milli Amperes

 

Note:  For other specifications please refer to Passive Conical Monopole.

 

3.      SURVEILLANCE ANTENNA SYSTEM, MODEL SAS-111/A

 

The SAS-111/A is a portable broadband surveillance antenna system designed for measurement of electric field intensity, surveillance and receive applications from 100 Hz to 1 GHz.  The system consists of two separate antennas;  a monopole with a  small disc for the frequency range from 100 Hz to 80 MHz and a discone for the frequency range from 80 MHz to 1 GHz.  An optional broadband combiner combines the signals from the two antennas into a single output, the model number for this antenna is SAS_111/SOP.

 

The preamplifiers are powered by either the internal ac to dc power supply module or rechargeable NI_CAD battery pack.

 

The antenna is provided with calibrated antenna factor curve.

 

SPECIFICATIONS

 

Frequency:                                          100 Hz to 1GHz in two bands

Polarization:                                          Vertical

Pattern:                                     Omni-directional

Load Impedance:                              50 Ohms nominal

Antenna Factor:                         2.5 dB/m +/-1 dB from 10 KHz to 30 MHz

                                                            Below 10 KHz rolls off linearly to 40 dB at                                                                100 Hz.  Between 30 MHz to 15 Db at 1                                                                  GHz it varies from 4 dB at 30 MHz to 15Db                                                               at 1 GHz

Sensitivity:                                            -12 dBV/m at 1 MHz, -15 dBV/m at 30                                                                MHz, -18 dBV/m  at 300 MHz and 10                                                                    dBV/m  at 1 GHz

1 dB Compression:                          Varies from 0.1 to 0.5 Volts/meter

Power:                                                 105 to 130 VAC, 50 to 60 Hz, 5 Watts.  24                                                                    hours use with rechargeable batteries when                                                             fully charged

Output Connector:                               BNC female

Size:                                                     34.5 high when deployed

Weight:                                     10 lbs.

Mounting:                                            Any tripod with -20 stud

 

 

 

OPTIONS

 

        Single output, Model SAS-111/SOP 

        Base plate

        Wooden tripods

        Radome for mobile version with remote power supply, Model SAS-11/MR

        210 to 230 VAC operation

 

4.      ACTIVE ELECTRIC FIELD ANTENNA, MODEL EFA-110/RBO

 

The EFA-110/A is a calibrated active monopole receiving antenna intended for use in measuring electric field up to about 1 Volt/meter at frequencies from 100 Hz to 100 MHz.  The response is flat from 10 KHz to 70 MHz with an antenna factor of 0 dB/meter.  The antenna has greater than 10 dB micro Volt/meter sensitivity.

 

The antenna operates from built in ac power supply or rechargeable battery which charges when the antenna is used on ac.

 

SPECIFICATIONS

 

Frequency:                                          100 Hz to 100MHz

Polarization:                                          Vertical

Output Impedance:                              50 Ohms nominal

Antenna factor:                           Nominally 0 dB/m

1 dB  Compression:                          1.0V/m

Sensitivity:                                            >-10 dBMV/m

RF Connector:                                           BNC female

Size:                                                     5W x 7 L

Height:                                                  1.0 Meter or 39 Inches

Weight:                                     <4 lbs.

Finish:                                                   Gray color

 

OPTIONS

 

        Operation from External 12 to 15 Volts dc power supply, Model EFA-230/A

        Out of door version, Model EFA-230/OD

        Ground plane 23 square

        Radome

 

 

 

 

 

5.      MAGNETIC FIELD ANTENNA, MODEL MFA-110/A

 

Model MFA-110/A is a calibrated untuned, magnetic field sensing device designed for accurate measurement of magnetic field intensity at frequencies from 100 Hz to 100 MHz.  The entire range is covered in a single band.

 

The antenna is constructed using long ferrite rods, low noise current amplifier and a balanced loop encircling the ferrite rod.  A calibration port is provided to verify the antenna function.

 

Typical applications includes elementary direction finding of ground waves and location of obscure noise sources in addition to RFI, EMI and EMC.

 

SPECIFICATIONS

 

Frequency:                                          100 Hz to 100 MHz

Antenna Factor:                                   Varies from +40 to 45 dBA/Vm

Polarization:                                          Senses H-field in direction of ferrite rod

Impedance:                                          50 Ohms nominal

Sensitivity:                                            Varies from +35 to 50 micro Ampere/meter

Dynamic Range:                                   Nominal 115 dB from noise level to 1 dB

                                                                        compression

Power:                                                 105 130 VAC, 47-420 Hz, 5 Watts; contains AC power supply and rechargeable batteries; 50 hours operation on rechargeable batteries

RF Connector:                                           BNC female

Size:                                                     25 wide x 6 high x 5 deep

Weight:                                     15 lbs.; 30 lbs with case

Mounting:                                            Any tripod with -20 stud

 

OPTIONS

 

        Tripod, Model TP-1

        Carrying Case, Model CC-MFA