Rohde & Schwarz CMU 200 - Block Diagram

Instrument Design and Function Description R&S CMU
1100.4903.82 3.2 E-5
Block diagram
FRONTMODUL
RFTX1
IF3RX1
IF3TX1
RXTX BOARD 1
IF2 486.515MHZIF3 10.7MHZ
IF1 843.085MHz
/1816.115 MHZ
IF2 487.52MHZIF3 13.85MHZ
IF1 842.08MHz
/1817.12 MHZ
RFRX1
L
O1 TX
LO1 RXLO2
RF FRONTEND
RFRX2
RFRX1
RFRXTXAUX1
RFTX2
RFRXTXAUX2 RFTX1
LO3
TX
LO3
RX
12
A
D
DDC
DSP
2*12
IQ
MO D
13.85MH z LO
I
Q
A
D
A
D
DSP
LC DISPLAY
POWER SUPPLY
INTERFACES
OCXO
REFERENCE
O
SC.
CMU-B11/12
FAN
UNIV. SIGN. UNIT 1
CMU-B21
REFERENCE BOARD
DIGITAL BOARD
FRONT MODUL CONTROLLER
HARDDISK
FAN
R4IN RF2 RF1 RF3OUT
INTERFACES
FAN
ADC MODULE 1 DDC MODULE 1
AUC MODULE 1 TXDSP MODULE 1
IQOUT MODULE
DSP
MODULE 3
DSP
MODULE 1
FIFO
2
*12
FPGA 1
FPGA 2
MICRO
PROC.
FPGA
LINK
FPGA
ATDSP
S
PEECH
CODEC
CMU-B52
TR-CORRECTION
MODULE
FAN
R5
OCXO
TCXO
10MHz
XTAL
110.8
MHz
DIV
3
D D S D D S
V C O 8 4 to 1 6 8M H z
V C O 8 4 to 1 6 8M H z
D IV 2 /4
D IV 2 / 4
NETCLK2
2
1 to 8 4M H z
N
ETCLK1
21 to 84MHz
110.8M2
R121
110.8M1
110.8M3
+5VREF
R120
O
ption
S
andwich
M
odul
VAR/KEYBOARD
PCMCIA INTERFACE
Speaker
M
AINS
DSP
MODULE 0
Attenuator
Attenuator