dB PM 1000 - Page 43

DB ELETTRONICA TELECOMUNICAZIONI S.p.A.
PM 1000 – 1 kW FM Broadcasting Transmitter - USER’S MANUAL
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Fig. 5.5 – POWER SUPPLY FOR MEASURE BOARD ELECTRICAL DIAGRAM
IN
GND
OUT
U4 7905 79XXTO220
L4 150µH IND_TOR_P
C23 100nF
CC_B
-5V
+
C4
470µF 63V ROE
CE_D
R7 3K3 R1/4W
+12V
R4
9K1 1% R1/4W
R8 2K2 R1/4W
U1 L4971 DIP8
1
5
2 4
6 3 8 7
GND
VCC
SS_INH
OUT
BOOT OSC FB COMP
+
C16 100µF 25V CE_E
+
C13 330µF 35V
CE_B
R5 1K TRI M_PTH _V
CN3
MSQ03001 MSQ03001
1 2 3
R11 1K
R1/4W
R9 8K2 R1/4W
C18 100nF CC_B
+5V
R2 10K R1/4W
-12V
1
Rubens Raffagnato
<Name2>
<Date2>
<Code>
11
30-12-2005
Alimentatore per scheda misure
DB 0601_008
Name Date
Rev Sheet of
Project Name: Note: Product Code:
Doc.:
Drawing Approved
+5V
C11 3.3nF CP_A
+48V
D5 SB360 D2
C14
220nF CP_B
-12V -12V
+12V
+
C19
10µF 35V
CE_A
+
C22
10µF 35V
CE_A
C10 220nF CP_A
C20 100nF
CC_B
L3 150µH IND_TOR
CN2
MSQ03001 MSQ03001
1 2 3
+
C12
470µF 63V ROE
CE_D
D3 SB360 D2
D8 1N5819 1N5819
+
C2 1µF 50V CE_A
C21 100nF CC_B
IN
GND
OUT
U3 7805 78XXTO220
D7 LED VERDE LED_5MM
+48V
R3 2K2 R1/4W
D2 LED VERDE LED_5MM
R6 NC R1/4W
L2 150µH IND_TOR_P
C1 3.3nF CP_A
C9 22nF CP_A
R10 1K TRIM_PTH_V
+
C15 100µF 25V CE_E
+12V
CN1
MSQ02001 MSQ02001
1 2
C8
220pF CC_A
C5 220nF CP_B
D4 SB360 D2
+
C17
100µF 25V
CE_E
R12 NC R1/4W
+
C6 330µF 35V ROE CE_B
U2 LM2591
1 5
2
4
3
Vin ON/OFF
Out
Feedback
GND
+
C3 100µF 25V CE_E
L1 270µH IND_TOR
C7 220nF CP_B
D6 1N4007 1N4007
D1 SB360 D2
R1 20K R1/4W
+48V
-5V