Specifications

310 Chapter 10
Block Diagrams RF Generator Section
Figure 10-17 Signal Generator Synthesizer Assembly, A2A25
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 BAND FM DAC
12
OUT OF BAND FM CONT
REF
PRESENT
DET
REF
PRESENT
SDFM
MONITOR
F(s)
A-D
D-A
+
-
3
3
FM
P10 CNTRL
MOD SIGN
12
4
2
SWEEP START SIG GEN
NF CONT
NF RUN
SWP
f IN
+ NF
f OUT
CYCLE SLIP
OUT OF LOCK
REF PRESENT
GAIN CONT
OUT OF BAND FM DATA
OUT OF BAND FM CONT
3
8
12
ACFM/DCFM
FM ON/OFF
I.O.
500-
1000MHz
1500MHz
OUT OF BAND FM
GROUP
SERIAL I/O
A
MOTHERBOARDP/O A2A1
3
AA
+40 V
+43.5 +12.4
+5.1
-12.4
GND
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