Трансформатор LUNDAHL LL1620CFB AM. Инструкция на английском языке

Tibeliusgatan 7                        International    Domestic
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Tube Amplifier Output Transformer
LL1620CFB (Cathode FeedBack)
The LL1620CFB is a version of the LL1620 where one primary winding on each coil has been split in half to support Push-
Pull Cathode Feedback applications with 25% feedback. For all data not presented in this sheet, please refer to the regular
LL1620 data sheet.
Physical dimensions, pin and mounting hole layout for LL1620CFB (all dimensions in mm)
53
Primary connections                                             Secondary connections
31     34   35     38                                                 18 17 16 15   14 13 12 11
4 x M4
Mounting holes
90
110
Bottom view
1  2  3  4   5  6  7  8                                              26 25 24 23   22 21 20 19
78                             85
Winding schematics:
Coil 1                       Coil 2
34   1   3   31   4     2      6      8      35   7   5   38
14  22   13  21  20  12   11  19   23  15   16  24 25  17   26  18
« outer      inner »            « inner     outer »
LL1620CFB
Primary connection for push-pull output                    R040917
stage with 25% cathode feedback
V +
Anode 1                1                  31
2
Cathode 1         3
4                       34
5                  35
Anode 2
6
Cathode 2         7
8                          38