Rohde & Schwarz M3SR Series 4100 - Fig. 1.12 Motherboard, Block Diagram

R&S M3SR Series 4100 HF Transceivers Motherboard - Function
6124.9007.82.01 1.30
Fig. 1.12 Motherboard, Block Diagram
Radi o Control l er
Frontend
S
y
nthesi zer
Digital Sel ec t or
Interface Module
RC
B
_D7..0
RCB_A7..0 RCB_S
T
RB, RCB_R
W
C
RCB_INT, RMB_RESET
~
ESSI 1_ST D1 (agc) ESSI1_ST D (dds) RF_AGC_DAT A ESSI 1_SRD ESS
I1_F
S
YNC
ESSI1_SCK
3. 3V , 5V , 12V , - 12V , 28V , 33 V
TX
_
A
C
T
I
VE
, RDY_FROM_MOD
NORM_BACK UP, MOD_PROGRAM ~
100K _REF
10K H Z _RE F
e
x
t.
REF_I N
10M H Z_REF
1.8V , 3.3V , 28V
RS485 data connector
10-BA SE-T
HUB
GB4000C
CP_ETH
3.3V, 5V, 12V, -12V
CP_100K _REF RC_ETH
et her net connector
ETH
re
m
ote
c
ontro
l
connector
RS232_TXD, RS232_RXD, RS232_RTS, RS232_CTS, RS232_DCD
DC-regulators
3.3V 5V 12
V
-12V
P
o
w
er- f a
il
-detector
Powerfail t o RCB
-3.3V
1,2V 2, 5V
RCB-Slave
HPSDC
ON/OFF contr o
l
HOLD_P
W
R
PON_STAT US
MABAD
PS_ON
3
.
3
V,
5
V,
12
V,
-12
V,
28
V,
33
V
PS_100K _REF
I 2CC, I 2CD (I 2C-Bus)
switch counter dela
y
PON_ST A T US
PS_ON~
REM_P
W
R_ON~
COD1, COD0 REM_ERASE ~PTT1_TTL, ~PTT_USB, ~PTT_L SB, ~PTT _Re
m
ot e,
~PTT 1_V28, +6V _K EYL I NE
audio
connector
PA
RCBS
er
Headset
FP_HEADSET
FP_MIC
Fill gun
Frontpanel
Audio Switch Matri
x
LINE1_TX
LINE2_TX
LINE1_RX
LINE2_RX
LINE_RX_2
LINE_RX_1
LINE_TX_2
LINE_TX_1
audio
connector
4
12
Sw i t c h- Ctrl
Audi o- Adjust
ERASE
ERASE
PTT
ERASE_SWITCH
ON/OFF
LED's
Frontpanel
+12V, -12V, +3,3V, +5V TX_Inhibit, RX_Inhibit NOGO, ~Squelch, ~PTT _Out RS232
F
PGA
Att
enua
t
or
RCBSer
f
i
ber opt
i
c
transcei
v
er
PT T Logic
I2C M
a
st
er
P
W
R/
F
A
N
CTRL
I2CC, I2CD (I 2C-Bus)
Speaker
Rear panel
Fl ash dri
v
er
Erase Logic
PS_PFI
Ext/Int Speaker
FLASH CPLD
Fillgun_detect
PL L
VCXO
CL
K
ERASE_SWITCH
Fillgun_detect
3.3_i nt
CLK
ICN-S4100-A-E11100-R-D0894-00209-A-01-1