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Capacitive coupling plate The main...
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The capacitive coupling plate CCP 9225 was designed based on knowledge gained from tests according to ISO 7637-3. The main application is to conduct CV-tests (capacitive voltage measurements) in conjunction with the impedance converter VHIC 9260. The construction complies to the automotive manuafacturer standard MBN 10284-2 2011-04, Annex B. The main advantages of CCP 9225 are:
The coupling plate comes with an N-female connector in the center of the base plate. The spacing between coupling plate and ground is 15 mm. In combination with an impedance converter with high impedant input the overall transducer is nearly constant over a wide frequency range. In cases of 50 Ω equipment being directly connected to the capacitive coupling plate, the transmission rises with 20 dB per decade of frequency (see Fig. 3). The coupling plate CCP 9225 acts as a capacitive voltage divider. In conjunction with the VHIC 9260 impedance converter and a shunt capacitor at its high impedant input the overall transducer can be varied in a wide range.