Log-periodic antenna logarithmic periodic measurement antenna TBMA3
The TBMA3 is an affordable logarithmic periodic measuring antenna designed for radiated noise EMC pre-compliance testing. The TBMA3 is characterized in the frequency range of 250 MHz to 1.3 GHz, showing typical values for VSWR and antenna factor for logarithmic periodic measuring antennas. CISPR 16 divides the frequency range into multiple bands and specifies a particular antenna for each band. For the frequency range above 300 MHz and below 1 GHz, the use of a logarithmic periodic antenna (log-periodic antenna) for radiated noise measurements is specified by CISPR 16. The TBMA3 features a radiating element and support boom made of powder-coated aluminum alloy and is a standard-sized logarithmic periodic antenna. It comes with a standard N-type female connector and includes an antenna bracket and mounting adapter. The bottom of the mount adapter has a standard 1/4-inch screw hole, allowing for easy connection to most standard tripods. The TBMA3 is shipped stored in a sturdy carrying case as shown in the photo above.
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basic information
Type: Log-periodic Frequency Range: 250 MHz to 1300 MHz Nominal Impedance: 50 Ω Connector: N-type female Maximum Continuous Input RF Power: 100 W Isotropic Gain: 6 dBi ± 1.5 dB Antenna Factor: 14.2 to 27.5 dB/m Voltage Standing Wave Ratio (VSWR): Less than 1.95:1 across the entire frequency range, average 1.35:1 Width: 749 mm (29.49 inches) Height (with mount adapter): 170.23 mm (6.70 inches) Height (without mount adapter): 79.5 mm (3.13 inches) Depth: 863 mm (33.98 inches) Weight: 1.78 kg (3.92 lbs) Tripod Adapter Screw Size: 1/4 inch
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Applications/Examples of results
【Applications】 - Measurement of radiated emissions from 300 MHz to 3 GHz (EMC pre-evaluation) - Covers a wide bandwidth with a log-periodic structure - Ideal for pre-compliance testing such as CISPR / FCC / automotive (CISPR 25) - Noise scanning of electronic devices - For wireless devices, IoT, industrial equipment, automotive ECUs, switching power supplies, etc. - Can be used as an antenna for applying electric fields in simple immunity tests 【Examples of Achievements】 - Electronic device manufacturers (home appliances, industrial equipment, IoT) - Automotive equipment manufacturers (ECUs, communication modules, automotive power supplies) - EMC testing laboratories and third-party certification bodies - Universities and research institutions (EMC education and research) - Pre-compliance labs in development departments - Easily adopted by companies looking to establish a low-cost wideband measurement environment, as it can cover 300 MHz to 3 GHz with a single unit.
Detailed information
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Log-periodic antenna logarithmic periodic measurement antenna TBMA3
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Log-periodic antenna logarithmic periodic measurement antenna TBMA3
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Log-periodic antenna logarithmic periodic measurement antenna TBMA3
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Company information
As a company that provides unique and innovative solutions in EMC testing and general measurement, Wavecrest Corporation is active in this field. The increasingly sophisticated electronic and communication environment not only affects the performance of its products but also serves as a social infrastructure that impacts the overall safety of society, requiring high levels of safety and reliability. We aim to provide new products and solutions that the market needs, without being constrained by traditional testing methods and equipment.
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