User Manual

Features
Frequency range: 30 MHz to 300 MHz
Collapsible antenna elements
Part of ANK series antenna kits
Individual Calibration
Three year warranty
Application 
TheABF-900Biconicalantennahascollapsiblean-
tennaelementsforeasystorageandtransport.It
isgoodchoiceforositeEMCmeasurements.The
broadbandcharacteristicsoftheABF-900antenna
makeitidealformakingsweepmeasurements.It
canbepurchasedseparatelyoraspartoftheANK-
310,ANK-910LandANK-910Mantennakits.
Inadditiontoemcemissionorimmunitymeasure-
ment,thebiconicalantennacanbeusedforsiteEMC
site calibrations. The  ABF-900 Biconical antenna
hassmallerelementsandiseasiertouse.Especially
forverticalsiteattenuationmeasurementsatlow
frequencies. Dipole antennas which are typically
recommendedforsitecalibrationhavelongelement
lengthsatlowerfrequencies(5metersat30MHz)
AccordingtoANSI63.4specication,acalibrated
biconicalantennascanbeusedforsiteattenuation
measurements.
Thecalibrationdataprovidedwitheachantennais
usedtocalculateeldstrengthmeasuredforthe
selectedfrequency.Theantennafactor(dB/m)for
theselectedfrequencyisaddedtothemeasured
output(dBV)displayedbytheEMIreceivertoobtain
eldstrength(dBV/m)
Description 
TheABF-900isalinearlypolarizedbroadbandBiconi-
calantenna.Ithasafrequencyrangeof30-300MHz.
IthasthesameperformanceastheAB-900,butitis
shippedwithasetofcollapsibleconicalelements.
ThisantennaispartoftheANKseriesantennakits.
TheABF-900antennahasaNtypeconnector.The
antennaiscapableofhandlingupto50Wattsof
input to generate electromagnetic elds during
EMCimmunitytesting.
Theseantennasareindividuallycalibratedat10me-
terdistanceusingproceduresdescribedinANSI63.4.
Thisdataisshippedwitheachantenna.Optional
calibrationat1meteroranyuserspecieddistance
is available upon request. Accredited calibration
servicesarealsoavailable.
TheABF-900balunhasa1/4inchx20threadedhole
ontheback.ItcanbemountedonCom-PowerAT-120
tripodoranyotherantennatripodwithmatching
threads.Itcanbealsomountedonaantennamast
withasimilarmountingarrangement.Asanalter-
natemountingmethod,ATC-001clampcanbeused.
ThisclampstsaroundthePVCtubeonthebalun
tosecurelyattachtheantennatoatripodorthe
antennamastwithoutthethreadedmountingbolt.

Biconical Antenna
ABF-900
Com-PowerCorporation  114OlindaDrive,Brea,California92823  (714)528-8800 www.com-power.com