Accessories

Emission measurements

EMI-Receiver

Antennas

Accessories

Broadband pre-Amplifier

FPA-2, FPA-6A and FPA-6B
FPA-18
FPA-26
FPA-40
FPA-2, FPA-6A and FPA-6B

The FPA-x is a general purpose broadband pre-amplifier with high gain and low internal noise. The wide frequency range up to 2/6 GHz allows measurements acc. CISPR 22. Due to the high gain and the low noise figure the system noise is nearly independent of the other components including cable and receiver. These features make the FPA-x very useful for the measurement of very low limits, as required for CISPR 25. In this case it will be connected directly to the antenna. The amplifiers FPA-2 and FPA-6A are ESD protected to prevent defects by unintentional electrostatic discharge. The FPA offers a frequency range from 9 kHz to 6 GHz. For technical reasons it cannot be ESD-protected and special care is necessary. Nevertheless pre-amplifiers are generally ESD-sensitive devices, therefore it is very important to discharge coaxial cables before being connected. This is an essential precaution to protect the extremely small semiconductor structures operating in the microwave frequency range.

It must be noted that the use of pre-amplifier is generally not recommended for the measurement of impulsive signals. Such broadband noise is typical for many EMC measurements. This means that any broadband pre-amplifier is not suitable for EMC measurement of a broadband pulse spectrum. The FPA-x has an aluminum enclosure and uses N-Type flange connectors. A standard wall plug supply with +12 VDC output can be used. A suitable power supply for 230 V with Schuko socket is included in the delivery. The use of switching power supplies is not recommendable as they may cause higher levels of interference. An internal protection circuit slows down the rising and falling edge of the power supply voltage to prevent internal components and the receiver from being damaged by voltage spikes. 12 V auxiliary supplies from receivers and analyzers or batteries are also suitable if they can provide a continuous current of 0.14 A.

Technical specifications FPA-2 FPA-6A FPA-6B
Frequency range 9 kHz – 2 GHz 10 MHz – 6 GHz 9 kHz – 6 GHz
Noise figure 2.5 dB (1.0 GHz) 2.5 dB (1.0 GHz) 2.5 dB (1.0 GHz)
Gain + 30 dB + 28 dB + 28 dB
Amplitude flatness < ± 3 dB < ± 3 dB < ± 3 dB
1 dB compression point at input ≥ -20 dBm (87 dBμV) ≥ -18 dBm (89 dBμV) > 100 dBμV
Impedance 50 Ω 50 Ω 50 Ω
VSWR input / output < 2:1 < 2:1 < 2:1
ESD protection yes yes yes
Power supply + 12 V (± 2 V) + 12 V (± 2 V) + 12 V (± 2 V)
Current consumption < 120 mA < 130 mA < 120 mA
Dimensions 82 x 38 x 27 mm 82 x 37 x 27 mm 88 x 41 x 27 mm
Weight 150 g 141 g 160 g

 

FPA-18

Low noise low power wideband amplifier for increasing sensitivity at field strength measurements and for general attenuation measurements up to 18 GHz. A power supply with 12 V / 300 mA DC (e.g. optional AC/DC adap- tor, laboratory power supply, rechargeable battery) is required for operation. In- and output of the broadband amplifier are sensitive to electrostatic dis- charge. Therefore some precaution (discharging coaxial cables and persons) is required before touching the amplifier. The amplifier input comes with an SMA- female connector.

A coaxial microwave cable of 0.5 m length is sup- plied to connect the antenna with the amplifier. The cable is equipped with N-male and SMAmale connectors. Usually the amplifier should be installed very close to the antenna. The amplifier housing is equipped with rubber pads for placement on horizontal sur- faces. Further there are 22 mm holes in the housing to accept the mounting tube of Frankonia antennas. The antenna mounting tube is usually oriented horizontally with the N-female output of the amplifier facing to ground. This avoids undesired bending of the coaxial cable.

Technical specifications   FPA-18
Nominal Frequency range 1 GHz – 18 GHz
Usable Frequency range 0.5 GHz – 20 GHz
Connectors 50 Ω N / SMA
Fixation Ø 22 mm tube
Gain typ. 33 dB ± 2.5 dB
Gain min. > 28 dB
Max. input power -10 dBm (97 dBμV)
SWR typ. < 2
Noise figure 2 dB
Supply voltage 12V – 15 V / DC
Current consumption 250 – 300 mA
Power supply via female banana sockets 4mm
Weight 600 g
Dimensions (W x L x D) in mm 142 x 90 x 48
FPA-26

Low noise low power wideband amplifier for increasing sensitivity at field strength measurements and for general attenuation measurements up to 26.5 GHz. A power supply with 12 V / 300 mA DC (e.g. optional AC/DC adaptor, laboratory power supply, rechargeable battery) is required for operation. In- and output of the broadband amplifier are sensitive to electrostatic discharge.

Therefore some precaution (discharging coaxial cables and persons) is required before touching the amplifier. The amplifier input comes with SMA female connectors. A coaxial microwave cable of 0.5 m length is supplied to connect the antenna with the amplifier. The cable is equipped with SMA-male connectors. The amplifier is equipped with a female 3/8” camera thread to be connected to a mast, e.g. to FSM-1.6. The antenna itself is mounted with another 3/8” screw at the amplifier base. The polarization swivel can easily be achieved within seconds by a further screw in 45° steps using fixing bolts for indexing.

It is very important to avoid bending and torsion of the microwave cable, other- wise persistent damage may be a result. Therefore we recommend to mount the antenna in a way that the antenna connector points into the opposite direction as the RF-input of the amplifier. This allows a smooth routing the microwave cable with a wide bending radius.

Technical specifications    FPA-26
Nominal Frequency range 18 GHz – 26.5 GHz
Usable Frequency range 12 GHz – 28 GHz
Connectors 50 Ω SMA
Mounting thread 3/8″
Gain typ. 33 dB ± 2 dB
Gain min. 30 dB
Max. input power -20 dBm (87 dBμV)
SWR typ. < 2
Noise figure 3.5 dB
Supply voltage 12V – 15 V / DC
Current consumption 250 – 300 mA
Power supply via female banana sockets 4mm
Weight 400 g
Dimensions (W x L x D) in mm 210 x 100 x 60
FPA-40

Low noise low power wideband amplifier for increasing sensitivity at field strength measurements and for general attenuation measurements up to 26.5 GHz. A power supply with 12 V / 300 mA DC (e.g. optional AC/DC adaptor, laboratory power supply, rechargeable battery) is required for operation. In- and output of the broadband amplifier are sensitive to electrostatic discharge.

Therefore some precaution (discharging coaxial cables and persons) is required before touching the amplifier. The amplifier input comes with SMA female connectors. A coaxial microwave cable of 0.5 m length is supplied to connect the antenna with the amplifier. The cable is equipped with SMA-male connectors. The amplifier is equipped with a female 3/8” camera thread to be connected to a mast, e.g. to FSM-1.6. The antenna itself is mounted with another 3/8” screw at the amplifier base. The polarization swivel can easily be achieved within seconds by a further screw in 45° steps using fixing bolts for indexing.

It is very important to avoid bending and torsion of the microwave cable, other- wise persistent damage may be a result. Therefore we recommend to mount the antenna in a way that the antenna connector points into the opposite direction as the RF-input of the amplifier. This allows a smooth routing the microwave cable with a wide bending radius.

Technical specifications  FPA-40
Nominal Frequency range 18 GHz – 40 GHz
Usable Frequency range 18 GHz – 40 GHz
Connectors 50 Ω 2.92
Fixation Ø 22 mm tube
Gain typ. 35 dB ± 4 dB
Gain min. 30 dB
Max. input power -20 dBm (87 dBμV)
SWR typ. < 2.6
Noise figure 5.5 dB
Power supply 1 15 V / 600 mA DC
Power supply 2 -(8 … 15) V / -100 mA DC
Power supply via female banana sockets 4mm
Weight: 860 g
Dimensions (W x L x D) in mm 370 x 95 x 65

Electrical Polarization Switch

FPD-01
FPD-01

The polarization device FPD-01 (1) is designed for the polarization of antennas. The maximum weight of antennas is 5 kg, slewing range 0° – 90°. The FDP-01 polarization unit has an antenna tube of 22mm, which is equipped with a clap ring for easy and safe installation of antennas. On the side a 3/8-16 UNC thread is foreseen for the installation of a stand.

The control is effected with the controller FC06-24V. The control signal is feed through the shielded wall via an EMC filter that is mounted on the carrying unit. (2)

Technical specifications  FPD-01
Polarization electric 0° – 90°
Polarization time ca. 5 sec
Polarization accuracy 0.2°
Dimensions (W x L x D) in mm 200 x 110 x 90
Weight 2.5 kg
Antenna weight Max. 5 kg, depending on gravity, size and used connection adapter of the antenna
Mast mount 3/8″ female
Antenna tube Ø 22mm ± 0,1mm
Voltage 24V DC
Connection XLR male
Connection to tripod Thread 3/8-16 UNC
Technical data feedthrough FPD-01 
Dimensions (W x L x D) in mm 350 x 190 x 166
Weight 6 kg
Connection XLR male to XLR female

Manual Antenna Masts

FSM-1.6 and FSM-2.0
FSM 4.0
FSM-1.6 and FSM-2.0

The height level of the double telescopic antenna masts FSM-1.6 and FSM-2.0 can be manually adjusted from 0.9 / 1.2 m to 1.6 / 2.0 m (depending on the model). The continuous height setting is made within a few seconds. In order to avoid unwanted reflexions the mast rods are made of fibre glass. A collapsible tripod provides a secure stand and easy adaption to uneven ground. The perpendicular mast-adjustment is simplified with a spirit level mounted at the tripod. A rotatable spider fixes the tripod-legs for easy movement within seconds by one person only. Antennas can be mounted directly on the 3/8” male thread or using adapters for double stacked antennas.

Technical specifications  FSM-1.6 FSM-2.0
Height range 0.9 – 1.6 m 1.2 – 2.0 m
Antenna or adapter mount 3/8″ male 3/8″ male
Material mast fibre glass fibre glass
Recommended adapters MAS / MAD MAS / MAD
Weight 6 kg 7 kg
Dimensions for transport 1.0 x 0.3 x 0.3 m 1.2 x 0.3 x 0.3 m
Datasheets:
FSM 4.0

The main application of FSM-4.0 are emission measurements, where frequent height scans are required. Level adjustment from 0.4 m to 4.15 m can easily be done by using the manual winch. The mast can be setup and disassembled without any tools within 2 min. The FSM-4.0 tripod is suitable for both stationary and mobile applications. Thanks to its small transport dimensions it can be stored without problems even in small cars. The antennas are mounted with their 22 mm tube directly to the support, the polariza- tion is fixed with an indexing ring for both, vertical and horizontal polarization without tools. There is no additional adapter needed to accept antennas with 22 mm tubes. Each of the three spider legs can be adjusted individually for a coarse level adjustment on uneven or inclined mounting.

Technical specification FSM-4.0
Height scan with manual winch
Height scanning range 0.4 … 4.15 m
Required time for complete height scan < 8 s
Required time for mast assembly < 2 min
Antenna mount 22 mm with index ring
Mast material fibre glass
Tripod material zinc-plated steel
Costed option fibre glass
Maximum antenna weight 5 kg
Total weight 13 kg
Tripod leg circuit diameter 02.06 m
Dimensions for the transport 1.17 x 0.3 x 0.3 m

Frankonia Antenna Masts

FAM - Frankonia Antenna Mast
FBM – Frankonia Boresight Antenna Mast
FAM - Frankonia Antenna Mast

The FAM is Frankonia’s standard antenna mast solution compliant according to CISPR 16-1-4. For customers’ convenience, the Frankonia antenna mast are equipped with wheels and can be folded to enable easy transportation and handling. To reduce unintentional reflections, the masts are made of fiberglass and plastic materials. Any reflecting materials have been reduced to a minimum.

Type FAM2-4 FAM2-6
Polarization Electric, 0° to 90°
Polarization time approx. 6 sec.
Polarization accuracy 0,2°
Height scan (Electric) 0,9-4,0m 0,9-6,0m
Height scan accuracy ±5mm
Height scan speed 10mm/sec to 150mm/sec (dynamic movement)
Dimensions 1,2×0,9×4,5m 1,2×0,9×6,5m
Weight approx. 85 kg approx. 90 kg
Power supply 230V
Antenna weight max. 12 kg incl. adapter
Interface IEEE 488.2 GPIB interface with SCPI commands
Controller FC06.1

Features

Compliant acc. to CISPR 16-1-4

Electrical height scan 
from 1,0m to 4,0m (FAM2-4) or from 1,0m to 6,0m (FAM2-6)

Antennas up to 12 kg (incl. adapter weight) at cross-beam section

Total height 4,5m

Height scan accuracy ±5mm

Electric polarization 0°-90°

6 sec. polarization time

Manual antenna alignment ±2°

Easy positioning of antenna tube through clamp ring

Adapted software and independent controller (IEEE 488.2 GPIB interface with SCPI commands)

EMC proof

FBM – Frankonia Boresight Antenna Mast

Based on the FAM antenna mast construction, the FBM boresight antenna mast is compliant with ANSI C63.4 and CISPR 16-1-4 that includes an advanced tilt function. To offer full flexibility, the tilt function can be switched off, so that the FBM operates as a standard mast. Within the tilt function, the FBM software automatically calculates the tilt angle in accordance with the antenna specific reference point, as well as distance, position and size of the EUT and monitors the complete test procedure.

Polarization Pneumatic, 0° to 90°
Polarization time approx. 6 sec.
Polarization accuracy 0,2°
Height scan (Electric) 1,0-4,0m
Height scan accuracy ±5mm
Height scan speed 10mm/sec to 150mm/sec (dynamic movement)
Tilt 0°-50° automatic adjustment
Tilt accuracy ±0,5°
Dimensions 1,3×0,8×4,9m
Weight approx. 95 kg
Power supply 230V
Air 6-8 bar
Antenna weight

max. 12 kg incl. adapter (normal mode)

max. 8 kg incl. adapter (boresight mode)

Interface IEEE 488.2 GPIB interface with SCPI commands
Controller FC06.1B

Features

Compliant acc. to ANSI C63.4 and CISPR 16-1-4

0°-50° automatic tilt adjustment

Tilt accuracy ±0,5°

Step-wise and step-less mode

Usable as standard mast without tilt-mode

Electric height scan from 1,0m to 4,0m

Total height 4,9m

Height scan accuracy ±5mm

Height scan speed 10mm/sec to 150mm/sec (dynamic movement)

Pneumatic polarization 0°-90°

6 sec. polarization time

Easy positioning of antenna tube through clamp ring

Adapted software and independent controller (IEEE 488.2 GPIB interface with SCPI commands)

EMC proof

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