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Rückpfad-Fehlersuche.................................................................................................. 329
Geschichte der CPD-Mischprodukte ........................................................................329
Fehlersuche – CPD ...................................................................................................330
Testortaspekte ...........................................................................................................331
Rauschmodus ............................................................................................................331
Zur Identifizierung der Einstrahlungsquelle mithören .............................................333
Testen der Rückpfad-Abstrahlung/-Einstrahlung .....................................................333
Verwendung einer variablen Verweildauer zum Einfangen von Impulsrauschen ...333
Nullspannenmodus ...................................................................................................335
Prüfen und Testen......................................................................................................... 335
FCC Titel 47 Code of Federal Regulations, Unterabschnitt K,
Abschnitt 76.605(a) ..................................................................................................335
Audio-/Videotests [76.605(a)(2)] .......................................................................335
24-Stunden-Variationstest [76.605(a)(3,4,5)] ....................................................335
Kanalinternes Wobbeln [76.605(a)(6)] ..............................................................336
CNR (Träger-/Rauschverhältnis) und Verzerrungen [76.605(a)(7,8)] ..............337
Anschlussisolierung [76.605(a)(9)] ...................................................................339
Brumm [76.605(a)(10)] ......................................................................................340
Kopfstellen-Prüfungen [76.605(a)(11)] .............................................................341
Leckage – Vorschriften [76.609 (h) und 76.605(a)(12)] ...................................341
Anhang B
Technische Daten
Frequenz ...................................................................................................................343
Pegelmessung ...........................................................................................................343
Träger/Rausch-Verhältnis .........................................................................................344
Brumm-Messung ......................................................................................................344
Modulationstiefe .......................................................................................................344
Schräglagenmessung ................................................................................................344
Scan-Modus ..............................................................................................................344
Wobbelmodus ...........................................................................................................345
Spektralmodus ..........................................................................................................345
Nullspannenmodus ...................................................................................................346
Intermodulationsstörung (CSO/CTB) ......................................................................346
Rückwärtssender .......................................................................................................346
Telemetrie .................................................................................................................346
Datenspeicherung .....................................................................................................347
Serielle Schnittstelle .................................................................................................347
Messbuchsen .............................................................................................................347
Allgemeines ..............................................................................................................347
Stromversorgung ......................................................................................................347
Vorwärtssender (OPT2) ............................................................................................348
PathTrak Feldansicht (Option 3) ..............................................................................348
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