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Combined with a spectrum analyzer, products can be tested before and after EMC related design modifications. A set up with a TEM cell will not deliver exactly the same quantitative results as a measurement in a certified test house, however it will give an excellent indication on whether the design suffers from excessive radiated noise or not. The engineer will clearly see, whether his changes improved or deteriorated the EMC performance or whether it remained unchanged. The TBTC2 eliminates the guesswork.
A TEM cell is a stripline device for radiated emissions and immunity testing of electronic devices. It is not a replacement, but due to its size and cost it is a convenient alternative to measurements in an anechoic chamber.
▪ Length: 636 mm
▪ Width: 300 mm
▪ Height: 205 mm
▪ Septum height: 100 mm
▪ Rectangular area under the septum: 23 cm x 28 cm x 10 cm
▪ TEM cell connectors: N-female
▪ Nominal cell impedance: 50 Ohm
▪ Wave impedance: 377 Ohm
▪ Maximum RF input power: 25W (limited by supplied 50 Ohm Termination)
▪ Input return loss: S11 up to 800 MHz < -15dB, up to 1.5 GHz < -10dB, up to 3GHz < -8dB
▪ Transmission loss: up to 800 MHz < 1 dB, up to 1.15 GHz < 3dB
▪ Connectors: N-Male/Female
▪ Nominal impedance: 50 Ohm
▪ Max. continuous RF power: 2W
▪ Max. continuous RF voltage: 50V RMS
▪ Frequency: 500kHz to 6 GHz
▪ VSWR: ≤ 1.2
▪ Connector: N-Male
▪ Nominal impedance: 50 Ohm
▪ Max. continuous RF power: 25W
▪ Frequency: DC to 3 GHz
▪ VSWR: ≤ 1.2
▪ Third order intermodulation: ≤ 120 dBc