TekBox TBMA Bionical, Log-periodic Antennas and Horn Antennas

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Benefits of the TekBox TBMA Series Antennas for EMC Measurements

  • Biconical antennas: EMC radiated emission testing and generating defined field strength.
  • Test standards: FCC, CISPR, SAE, RTCA-DO-160, Mil STD-461, etc.
  • Horn antennas: For radiated noise measurements, frequency range 1...8 GHz.

TekBox TBMA Bionical, Log-periodic, Loop, and Double Ridged Horn Antennas

Models TBMA1, TBMA2, TBMA3, TBMA4, TBMA6-P

The TekBox TBMA series are biconical, logarithmic periodic, passive loop antennas, and double ridged horn antennas for EMC measurement. They are used for testing and generating EMC radiation emissions.

Model Overview

ModelTBMA1TBMA2TBMA3TBMA4TBMA6-P
Frequency range30 MHz...1 GHz30...300 MHz250 MHz...1.3 GHz1...8 GHz9 kHz...30 MHz
TypePassive biconical measurement antennaPassive biconical measurement antenna
Balun: 1:4; test standards: FCC, CISPR, SAE, RTCA-DO-160, Mil STD-461, etc.
Average sized log-periodic antennaDouble ridged horn antenna
front to back ratio avg. 20 dB
Passive loop antenna for radiated emission measurements, according to CISPR 16
Nominal impedance50 Ω50 Ω50 Ω50 Ωn.s.
ConnectorN-femaleN-femaleN-femaleN-femaleN-female
Isotropic gain-42.15...1.78 dBi-12.51...0.55 dBi (see datasheet)6 dBi ±1.5 dB6...14 dBin.s.
Maximum continuous input RF power2 W100 W100 W100 Wn.s.
Antenna factor16.30...41.91 dB/m10.8...26.3 dB/m (see datasheet)14.2...27.5 dB/m24...43 dB/mMagnetic field antenna factor -20 dB/Ωm at 30 MHz, typ.; electric field antenna factor 31.5 dB/m at 30 MHz, typ.; sensitivity -24 dBµA/m at 30 MHz
Voltage standing wave ratio (VSWR)Max. <2.81.05...38.05 (see datasheet)<1.95:1 over the entire frequency range; 1.35:1 average<3:1 over the entire frequency range; <2:1 averagen.s.
Dimensions (lenght x diameter x depth in mm)430 (tip-to-tip) x 160 x 163 (including housing); 0.46 kg; tripod adaptor thread size ¼"1387 (tip) x 542 x 803 (including balun); 1.28 kg (one radiating element); 0.96 kg (holder/balun)(WxHxD) 749 x 170.2/79.5 (with/without mounting adaptor) x 863; 1.78 kg; tripod adaptor thread size ¼"(WxHxD) 241 x 153 x 214; 1.4 kg; tripod adaptor thread size ¼"; indexed rear mounting flangeDiameter 60 cm, weight 800 g, mount: ¼" thread

Tripod not included!

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