GTEM open transverse wave cell

summarize
 TekboxGTEM Open Transverse Wave Cell TBTC EMC Radiated Disturbance Test or Immunity Test is usually performed in an electromagnetic shielded room using an antenna to receive the radiated signal. Due to bandwidth limitations, multiple antennas are required to cover the entire frequency range. In addition, shielded dark rooms require large space sites and equipment costs for standard conformance testing are high.
 Engineers in SMBs often have to rely on work experience and * best practices to design EMC-compliant products. However, it is estimated that more than 50% of the products fail in the first test. When a new product is sent to a certification lab for compliance testing, the cost of failure is very high, not only for retest costs, but also for delays in project schedule and marketing.
 What is needed is a reasonably priced laboratory where engineers can conduct radiation disturbance pre-tests themselves prior to compliance testing. TEM cells are devices for tabletop radiated disturbance testing, Tekbox developed open TEM cells that cover frequencies up to the 2 GHz range and are available even at higher frequencies (6GHz).
 tekboxGTEM Open Transverse Wave Cell TBTC units can be used in conjunction with spectrum analyzers to verify products before and after EMC related design modifications. The TEM Cell device does not produce exactly the same measurements as certified laboratory measurements, but it does a good job of indicating whether the product design has radiated disturbances, engineers will clearly see the emissions, and what it does is whether the product change improves EMC performance, or whether it remains the same. The use of TEM cells eliminates speculation about product radiation disturbances.
TEM cells are stripline devices used for radiated emission and immunity testing of electronic devices. Due to its size and cost, it is not a substitute for certified testing laboratories, it is a convenient alternative to measurements made in laboratories.
TEKBOX GTEM Open Transverse Wave Cell TBTC consists of a partition, conductive strips in the middle and grounded walls. 50 striplines presented as geometric designs. The device under test (DUT) is placed between the bottom wall and the bulkhead.
TBTC1 / 2/3 is an open TEM cell with no side walls for easy DUT placement. The absence of sidewalls may pick up ambient background noise, but it can be taken into account by measuring ambient noise on the cell output signal prior to DUT power-up.
Tekbox open TEM cells have better frequency response than standard TEM cells of the same size. The available bandwidth is limited by the higher order modes of TEM cells. The unique design of Tekbox TEM cells achieves resistance perpendicular to the desired wave propagation direction. Therefore, higher order waves and resonances are suppressed.
 All TEM units provide 50/25W RF termination loads and DC blocks to protect spectrum analyzer or receiver inputs