SY 9223-50561-1, Symmetrical Transformer, 50 to 100 Ohms acc. EN 50561-1
- Symmetrical transformer
- Transforms an unsymmetrical 50 Ω signal into a symmetrical signal with an impedance of 100 Ω
- Attenuates the power by 8 dB
- Acc. to EN 50561-1:2012, chapter 9.2. Figure 4 shows the setup, figure 5 shows the principle diagram
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Overview PLC Measurement-System EN 50561-1
Data Sheet
SPECIFICATIONS
SY 9223-50561-1, Symmetrical Transformer, 50 to 100 Ohms acc. EN 50561-1Description SY 9223-50561-1 is a symmetrical transformer that provides impedance transformation and a specified insertion loss. It transforms an unsymmetrical 50 Ω signal into a symmetrical signal with an impedance of 100 Ω and attenuates the power by 8 dB. It belongs to a measurement setup according to EN 50561-1, chapter 9.2. Figure 1 shows the setup. The 100 Ω to 50 Ω balun belongs to a collection of measurement equipment to analyze power line communication devices. The part which determines the frequency response is a 2:1 SMD broadband transformer. A resistive attenuator has been added to the unsymmetrical side to get the necessary insertion loss demanded by the measurement setup. The SY 9223-50561-1 has a real flat frequency response of typically
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