Use a low-noise preamplifier or preselector with integral low noise preamp. Companies such as ASI or chesapeake microwave can help you out. You may want to start with the EMI receiver manufacturer.
Doug Frazee EMC Compliance Engineer Alliant Techsystems, Inc. Advanced Technology Applications 401 Defense Highway Annapolis, Maryland 21401 USA Tel: (410) 266-1793 FAX: (410) 266-1853 [email protected] >---------- >From: Heck, Stefan[SMTP:[email protected]] >Sent: Friday, May 09, 1997 1:34 AM >To: 'EMC-PSTC (Mail Server)' >Subject: MIL-STD-461/462D, RE102, noisefloor > >System requirements for RE102 > >When performing the emission test RE102 according to MIL-STD-461/462D we >observe that the test system noise floor is at some frequencies just >below the most stringent limit (navy mobile and army). This is when we >use the bandwidths prescribed by the standard. We can lower the noise >level when we reduce the bandwidth. > >Has anybody similar experience? How can we lower the noise floor and at >the same time fulfill the standard requirements regarding the setup? We >are using brandnew and high standard test receivers and antennas. > >Any hints are really appreciated! > > > Stefan Heck _______________________________ phone +47-67 >57 95 06 > [email protected] / Senior EMC Engineer \ FAX +47-67 57 89 > 60 >________________/ Det Norske Veritas >\________________________ > >
