&SWITCHMAN FOR THE UNSWERS
WITH 25 MSEC DWELL TIME( 7 SEC SWEEP !) ON 5 DB/DIV
I CAN SEE & MEASURE THE INGRESS.
I DO USE HP 8590 IN FIELD .
HOW TO SET UP THAT SPECTRUM ANA ,TO MEASURE INGRESS?.
2)SAMM4040 REQUEST TO TERN OFF THE CARRIER FOR CTB AND CSO
CAN SCO COMPOSITE BEATS BE MEASURED ONLY BY REMOVING MODULATION AND MOVING OF CARRIER (OFFSET) +/- 750 KHZ &+/-1.25 MHZ ?.
3)WHY HRC CTB PRODUCTS FALL UNDER CARRIER &IRC HEADEND COHERENTLY AROWND THE CARRIER ?
THANKS A LOT
WILL BE MORE THAN HAPPY TO CONTRIBUTE MY FIELD EXPERIANCE IN
CABLE NET .
SURRY FOR MY ENGLISH.
