Nera saturn bp, Technical Manual

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Saturn Bp Portable – Technical Manual
D i a g r a m s
D i a g r a m s D i a g r a m s MCU Interconnection Diagram Cont’d
Access & Control Sub-system (see also diagram page 1)
Main Control Unit Board Cont’d
MAIN CONTROL UNIT – INTERCONNECTION DIAGRAM PAGE 2
2/96
RF Sub-system
Antenna Control Modem
A04
A03
A01
A02
+12V
A30
B30
A29
B29
A28
B28
RS-232
Serial
Interface
CPU
RS-232
Serial
Interface
UART
CH. D
UART
CH. C
UART
CH. B
J17 A12 B12 A13 B13 A14 B13
B09 B08 B07 B06 B03-04 B01-02
A39 A38 A11 A12 A09 A08 A07 A06 B05 A05 A03-04 A01-02
Optocoupler
11 – 34 VDC
A
B
C
90 – 276 VAC
47 – 400 Hz
Latch
&
Buffer
Combiner/
splitter
ANT_TX
ANT_RX
* TX1 LOCK
BWCTRL1
BWCTRL2
BWCTRL3
SYNTDAT
SYNTCLK
TXSLCT
* TX2 LOCK
* LO LOCK
LOSLCT
Clock
Data
1626.5 -
1660.5 MHz
Receiver
Transmitter
Highpass
Filter
Lowpass
Filter
-TXOFF
D
ATA
+28V +28V RET
To/from DSP (see diagram page 1)
Memory
TXMUTE
Up-converter
(PLL)
1525 -
1559 MHz
Tracking filter
(PLL)
Local
oscillator
(PLL)
X-tal
osc.
x1
x4
System
clock
Tx supply
* RX SIGNAL
LOREF
Power detector
RXIF
~12 MHz
TXIF
~2.5 MHz
~12 MHz
BW=3 MHz
~75 MHz
AGC
Amp.
63.36 MHz
1450 -
1484 MHz
~18.3
MHz
~18.3
MHz
15.84 MHz
15.84 MHz
* OSC_LOCK
(* STATUS
function
message)
5 MHz
10 MHz
A
B
PC
RXD (104)
TXD (103)
GND (102)
RTS (105)
CTS (106)
J8
2
3
5
7
8
J14/P1
B21
B22
A22
B20
A25
PC
–
+
GND
Optocoupler
SCC3
SCC2
+72 V RET +72V -38V RET -38V TEMP_RET TEMP -12V -12V RET +5V +5V RET +12V +12V RET +7V +7V RET +28V +28V RET
-POWER-OFF KEY
-ON
DC-LEVEL
Printer
B17
B18
A15
A18
B15
B16
A16
RXD (104)
TXD (103)
DTR (108)
GND (102)
DSR (107)
RTS (105)
CTS (106)
P9
2
3
4
5
6
7
8
PRINTER
AC & DC/DC Power Board
P1 15-16 13-14 11-12 1 2 3 4 5 6 19-20 21-22 23-24 25-26 27-28 29-30 31 32 33-36 37-40
Internal
Connectors Cont’d
6.3 A slow
ON
OFF