DB Elettronica Telecomunicazioni CTX 5, User Manual

Page: 85 / 86

DB
ELETTRONICA TELECOMUNICAZIONI S.p.A.
Pag. 85/86
17 Auxiliary switching power supply board nr 2 (model 0104-010)
This board supplies with + 15VDC the 1W preamplifier board, the 10 MHz reference board and the
Precorrector and Up-converter board.
Switching board layout
Parts list
Item Quantity Reference Part PCB Footprint
______________________________________________________________________________
1 1 B1 KBL04
2 1 CN1 AMP4
3 1 C0 1nF CER
4 1 C1 1000uF 63V RHOE
5 3 C2,C8,C12 220nF POL
6 1 C3 470nF POL
7 1 C4 1uF 50V
8 1 C5 220pF CER
9 1 C6 22nF CER
10 1 C7 2n7F CER
11 3 C9,C10,C11 100uF 40VRHOE
12 1 DL1 LED V
13 1 D0 1N4007
14 1 D1 GI_SB560
15 1 D2 KE56A
16 1 FA1 FAST4
17 4 GNDSQ1,GNDSQ2,GNDSQ3, GNDSP1 GNDSQ4