Agilent Technologies 8935 Series, Руководство пользователя

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310
Ch
ap
te
r 10
B
loc
k Diag
ram
s
RF
G
en
era
to
r S
ec
tio
n
F
igur
e
10
-1
7
Sign
al
Gen
e
r
a
tor Synthe
sizer
A
s
s
e
mbl
y
, A
2
A
2
5
SIGNAL GENERATOR SYNTHESIZER ASSEMBLY, A2A25
SDFM
INTERFACE
+- 32/33/36/37
0
OUT OF
LOCK
DET
OUT-OF-
LOCK
GAIN CTRL
8
14dB
CYCLE CONT
MODULUS CONT
2
DELAY
COMPENSATION
FILTER
FROM REF
SEC (CMOS)
OUT OF BAND
FM DAC
OUT
OF
B
A
N
D
FM
D
A
C
12
OUT
OF
B
A
N
D
F
M
CONT
REF
PRESENT
DET
REF
PRESENT
SDFM
MONITOR
F(s)
A-D
D-A
+
-
3
3
FM
P1
0
CNT
RL
MO
D
S
IGN
12
4
2
SWE
EP S
T
AR
T SI
G
G
E
N
NF CONT
NF RUN
SWP
f IN
+ NF
f OUT
CYCLE SLIP
OUT OF LOCK
REF PRESENT
G
A
IN
C
O
N
T
OUT
OF
B
A
ND F
M
DA
T
A
OUT
OF
B
A
ND F
M
C
O
NT
3
8 12
ACFM/DCFM
FM ON/OFF
I.O.
500-
1000MHz
1500MHz
OUT OF BAND FM
GROUP
SERIAL I/O
A
MOTHERBOARD P/O A2A1
3
A A
+
40 V
+
43.5
+1
2
.4
+5
.1
-1
2.4
GN
D
FROM
MEAS
CK
D
EN/
I
CW RF IN
FROM
REF
FM MOD FROM
MOD DISTR
4V=100 kHz
DC - 25 kHz
Z OUT < 10 W