Micro Digital Satellite Receiver Manual de usuario Pagina 8

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MOTOROLA Digital Satellite Equipment Control (DiSEqC ) using MC68HC908QT/QY
AN2677/D
DiSEqC Introduction
Figure 3. DiSEqC Slave Schematic
RTAC TC105 00186.00
00
DiSEqC Slave QT4 - V2.0
A
11
Monday, December 01, 2003
Title
Size Document Number
Rev
Date:
Sheet
of
Q5
D3
BAR89
R5
2k2
R10
560R
C2
330p
L5
47nH
R3
2k2
Q6
Q7
D5
1N4148
+
C4
10uF
Q4
D6
BAR89
D4
BZV55C4,7
C1
100p
C9
330p
C7
22n
C3
100p
R2
560R
L3
47nH
L2
47nH
U1
MC68HC908QT4
1
2
3
4
5
6
7
8
Vdd
PTA5
PTA4
PTA3 IRQ
PTA1
PTA0
Vss
R13
33k
Q3
D2
BAR89
C8
100p
REC
C6
330p
Q2
L4
47nH
LNB-B
D1
BAR89
R12
4k7
R1
10k
R6
1k
C5
100n
Q1
R7
270R
LNB-A
R8
1k
R11
18R
L1
47nH
R4
22k
R14
47k
R9
10k
Reference
Type
Q1, Q5
PBSS5
350T
Q2, Q3, Q4, Q6, Q7 BC847C
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc
.
..
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