Clampco Sistemi AT3000 Скачать руководство пользователя

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Antenna model: AT3000

Rev 5.0 – February 2014

User manual

Clampco Sistemi is a registered trademark of

Calzavara SpA

– via Corecian, 60 – 33031 – Basiliano (Italy) http://www.clampco-sistemi.com/

7. ATSA03 USB Axis selector Specifications

General characteristics

Dimensions

62 mm

Weight

0,23 Kg

Connectors

7 pin screened connector, on 20 cm of ferritized

copper braided pigtail.

USB type A male connector on 70 cm USB cable

Material

aluminum painted blue

Axis Selection

Via USB protocol

Axis Indicator

One Red LED ultrabright for each axis

Power Source

Current

< 10mA from USB port

Ambient Conditions

Protection grade

IP42

Temperature

From

–20°C to +60°C.

Humidity

Max 95% at 50°C (without condensation).

Shock Resistance

1 meter drop without damages

Содержание AT3000

Страница 1: ...User manual Clampco Sistemi is a registered trademark of Calzavara SpA via Corecian 60 33031 Basiliano Italy http www clampco sistemi com AT3000 Triaxial Receiving Antenna 3 GHz User manual...

Страница 2: ......

Страница 3: ...SA03 8 1 4 Composite cable 9 2 EXECUTION OF MEASUREMENT 10 2 1 Radiation protection measurements 11 3 AT3000 ANTENNA CHARACTERISTICS 13 3 1 Radiation diagrams and Isotropy 13 3 2 Antenna factor 13 3 3...

Страница 4: ...orecian 60 33031 Basiliano Italy http www clampco sistemi com Note The AT3000 has been manufactured according to the 2006 95 CE directive Low Voltage Directive According to IEC classification for elec...

Страница 5: ...f used with the ferrite bead coaxial cable supplied it allows reliable measurement of radio frequency electric fields which have an environmental impact in the vast majority of practical cases The thr...

Страница 6: ...antenna pigtail Be sure both connectors are well tightened to avoid poor contacts after measuring has been completed check that the connectors are still tighten Insert the antenna handle into the sup...

Страница 7: ...its pigtail to the connector of the composite cable SA side then simply rotate the manual axis selector on the front to the desired polarization a LED will be steady lit to indicate the axis selected...

Страница 8: ...a a USB port allows you to perform the selection via software of the measure axis in order to execute fast automatic and repetitive measures The total current is less than 20 mA and hence does not aff...

Страница 9: ...cable end with same length as RF cable end see figure below To axis control interface ATSM01 or ATSA03 N male SPECTRUM ANALYZER SIDE ANTENNA SIDE N male To Antenna Pigtail Figure 5 ATCFxx composite c...

Страница 10: ...tor type etc 3 measure in sequence the amplitude of the three components Ex Ey Ez using the manual or automatic axis selection and compute the total electric field i e The point 3 of the above procedu...

Страница 11: ...ify on the spectrum analyzer the i 1 N spectral bands of interest broadcast channels or other sources 2 for each channel i choose a time averaging method on the spectrum analyzer max hold rms power av...

Страница 12: ...is therefore advisable to refer to this technical standard when defining the numerous operating details spatial and time averages receiving instrument settings correction factors periods of observati...

Страница 13: ...omnidirectional diagram are slight between 1 7 and 2 2 GHz and are still very small between 2 2 and 2 5 GHz It should be noted that the stochastic measurement error due to deviation from the omnidirec...

Страница 14: ...Factor for the convenience of those who use the system connected to a spectrum analyzer the transfer characteristic of the system described above is usually represented in terms of antenna factor i e...

Страница 15: ...spectrum analyzer typically 5 or 10 dB and compare the result 3 4 Sensitivity Selective field measurements normally rely on a display instrument with a wide range of setting possibilities the spectrum...

Страница 16: ...esponding to about 150 V m 0 15 mV m The SA set up could of course be different However as it can be deduced above the sensitivity level of the entire measurement system depends on the background nois...

Страница 17: ...Calzavara Clampco Sistemi supplies the antenna complete with a calibration certificate issued by its radio electric laboratory This is obtained in controlled environments TEM cell and anechoic chambe...

Страница 18: ...ts in the equipment in order to prevent it being used and if possible should highlight any deviations from significant parameters which increase the total uncertainty of measurement The above procedur...

Страница 19: ...more extensive In this case the error will nevertheless be negligible because at these frequencies internal antennas of AT3000 have high impedance More generally however it is advisable to compare nea...

Страница 20: ...of measuring unreliability and it is recommended before of the periodic calibration or when a damage is suspected Please ask the manufacturer for assistance in the following cases unsatisfactory resu...

Страница 21: ...e cable for example opposite the ferrite beads can cause resonance and defective behavior of the device at some frequencies The cable must be periodically calibrated to evaluate its attenuation which...

Страница 22: ...f internal electronic solid state RF switch Axis selection By PC via USB axis selection interface or manual remote axis selection box battery power supplied alternative option ATSM01 Frequency range f...

Страница 23: ...Kg Connectors 7 pin screened connector on 25 cm of ferritized copper braided pigtail Material aluminum painted black Axis Selection Four position rotating selector OFF X Y Z Axis Indicator One Red LED...

Страница 24: ...x 37 x 62 mm Weight 0 23 Kg Connectors 7 pin screened connector on 20 cm of ferritized copper braided pigtail USB type A male connector on 70 cm USB cable Material aluminum painted blue Axis Selectio...

Страница 25: ...triaxial antenna Accessories and Options ATSM01 Manual remote axis selector battery powered 80x75x55mm weight 400 g ATSA03 USB remote axis selector 64x84x34mm weight 250 g AT_CARRYCASE Carry Case for...

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