Some plots of the front-end filters of a UBC780XLT. /Ubbe
U Ubbe Member Joined Sep 8, 2006 Messages 9,046 Location Stockholm, Sweden Jun 5, 2018 #1 Some plots of the front-end filters of a UBC780XLT. /Ubbe Attachments UBC780XLT_25-50.jpg 123 KB · Views: 186 UBC780XLT_50-107.jpg 124.2 KB · Views: 180 UBC780XLT_173-310.jpg 125.4 KB · Views: 179 UBC780XLT_806-956.jpg 122.1 KB · Views: 181 UBC780XLT_1240-1300.jpg 108.5 KB · Views: 175
U Ubbe Member Joined Sep 8, 2006 Messages 9,046 Location Stockholm, Sweden Jun 5, 2018 #2 Tracking filter needs to be adjusted. There's an adjustment pot for it on the circuit board. /Ubbe Attachments UBC780XLT_@120.jpg 117.9 KB · Views: 151 UBC780XLT_@130.jpg 118.6 KB · Views: 148 UBC780XLT_@140.jpg 116.9 KB · Views: 148 UBC780XLT_@150.jpg 117.3 KB · Views: 150 UBC780XLT_@160.jpg 116.5 KB · Views: 151
U Ubbe Member Joined Sep 8, 2006 Messages 9,046 Location Stockholm, Sweden Jun 5, 2018 #3 The last plot for the tracking filter that needs adjustment. /Ubbe Attachments UBC780XLT_@172.jpg 116.3 KB · Views: 153
U Ubbe Member Joined Sep 8, 2006 Messages 9,046 Location Stockholm, Sweden Jul 11, 2018 #4 The missing 400MHz plot. /Ubbe Attachments UBC780XLT_310-510.jpg 122.7 KB · Views: 98
RF23 Member Premium Subscriber Joined Aug 1, 2011 Messages 893 Jul 11, 2018 #5 I wonder how different the front end filtering would be on the BC780XLT?
U Ubbe Member Joined Sep 8, 2006 Messages 9,046 Location Stockholm, Sweden Jul 11, 2018 #6 Isn't just that the cellular frequencies are blocked in the BC model and the rest is the same? /Ubbe
