Rolf Heine Hochfrequenztechnik

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We are a small privately owned hightech company. Design, construction and production are closely linked together. This allows us to respond quickly to your requests and orders. We are manufacturing prototype quantities as well as small and mid size volume orders.

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LISN
NNB-4/350A

 
  • Fourline V-LISN Type  NNB-4/350A

The Fourline V-LISN, Type NNB-4/350A, is suitable for the normative measurement of unsymmetrical interference voltages at very high power levels and at very high currents. The LISN is manufactured according CISPR-16 and VDE 0876 part 1. Despite of the relatively small case size, the NNB-4/350A has an excellent rf performance. Even under extreme conditions, the measured signals are lead precisely and according the norms to the receiver.

Frequency range 150 kHz (optional 9 kHz) ... 30 MHz
Simulation impedance 50 Ohm // 50 µH
Operation current 4 x 350 A
Operation voltage 700 V; DC ... 63 Hz
Insertion loss < 12 dB (incl. fix attenuator)
Attenuator 10 dB +/- 1 dB (fix)
Limiter 136 dBµV (fix)
Net attenuation > 40 dB typ. for f>500 kHz
Impedance 50 Ohm nominal
Decouplingfilter 95 kHz highpass (fix)
Size (WxLxH) (450x450x350) mm without clamping bolt
Weight ca. 40 kg
Warranty 24 months
All infos are subject to changes without notice


 
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