![]() ![]() Langer EMV-Technik’s products are handcrafted in Germany. The company’s goal is using its capabilities to help designers improve strategies for mitigating EMC issues during development. Langer EMV-Technik focuses on EMC, offering interference emission and immunity measurement technology, test systems, training and consulting to support IC and module development. The small size of the preamp makes it versatile and easy to integrate into an EMC testing environment. A separate adapter supplied with the PA 2522 converts AC to the 7 to 12 V DC required to power the unit, which draws 190 mA. The PA 2522 is assembled in a compact housing, 38 x 50 x 14 mm 3, with an SMA female input and SMA male output connectors. ![]() The preamplifier’s 1 dB compression point is 14 dBm at 10 GHz. The output of the preamplifier connects to the 50 Ω input of a spectrum analyzer or oscilloscope, boosting signals while protecting the measuring analyzer or scope from overload. The PA 2522 was designed to be used with Langer EMV’s matching near-field probe connected at the input. The preamplifier has 3 dB noise figure across most of the frequency range, gradually increasing at the band edges. The R&S®TS9975 is the base system for conducted and radiated EMI measurements. The system strictly complies with the international standards and manufacturer standards that describe phenomena on the power supply of vehicles. To address this, Langer EMV-Technik’s PA 2522 preamplifier provides 25 dB gain across the frequency range from 10 MHz to 22 GHz, enabling harmonics to be measured to 22 GHz. The arbitrary waveform generator 1200 is a compact EMC testing system for performing voltage variations on supply lines of vehicles. In addition to the low signal levels, EMC measurements are often challenging because of insufficient sensitivity of the measuring instruments. A new RF preamplifier from Langer EMV-Technik was developed to boost the weak signals encountered with electromagnetic compatibility (EMC) measurements. ![]()
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