TBMA2 biconical antenna
The TBMA2 is a biconical measuring antenna for EMC interference emission tests and for generating defined field strengths. With its affordable price, it is an excellent choice for any laboratory that performs pre-compliance testing in-house.
It is suitable for a frequency range of 30 MHz to 300 MHz and has a directional characteristic similar to that of a dipole antenna.
The TBMA2 comes with a POM mount with a ¼" threaded insert for mounting the antenna on standard tripods.
The TBMA2 radiator elements are constructed of stainless steel parts to avoid the disadvantages of contact degradation over time that occur with non-welded aluminum designs . The radiator elements are not welded, but are attached with grub screws, which allows for easy assembly/disassembly and makes the antenna easy to store and transport. The
antenna elements are powered by a 1:4 balun with a load capacity of 100 W biconical Frequency range: 30 MHz - 300 MHz Nominal impedance: 50 O Balun: 1:4 Maximum continuous RF input power: 100 W Connector: N-type socket Isotropic gain: -12.51 to 0.55, see Figure 2 and Table 1 Antenna factor : 10.8 to 26.3, see Figure 3 and Table 1 Voltage Standing Wave Ratio (VSWR): 1.05 to 38.05, see Figure 4 and Figure 5 Test Standards: FCC, CISPR, SAE, RTCA-DO- 160, Mil STD-461, etc. Length: 138.7 cm (138,7 cm ( 54,6 inch )) Tip Diameter: 54.2 cm (54,1 cm ( 21,3 inch )) Depth: 80.3 cm (80,3 cm ( 31,6 inch )) including balun weight one Radiator element: 1.28 kg (2.82 lbs) Weight of bracket/balun: 0.96 kg (2.12 lbs)