Agilent Technologies 8935 Series, Manual

Page: 308 / 343

Ch
ap
te
r 10
30
7
Bl
oc
k D
ia
gr
ams
A
u
dio G
ener
ator
Sect
ion
F
igur
e
10
-1
6
Modu
la
ti
on D
istribution
A
sse
mb
ly
, A
2
A
4
4
20 kHz
250 kHz
150 kHz
LFS2 LVL0
MOD LVL0
MOD LVL1
(1, 0.1)
LFS1 LVL1
LFS2 LVL1
LFS2 LVL0
DAC
DAC
DAC
+
10
10
TO MIC ON/OFF (MIC AMPL)
MIC
AUDIO
INPUT
XMTR KEY
AC/DC
W 600
MIC ON/OFF
PRE-EMP11
+
-
+
-
AUD
OUT
LVL2
AUD
OUT
LVL1
-1
MOD SELECT
+
AUDIO AC/DC
S.P.
AUDIO
OUT
AUDIO MONITOR SELECT
AM
DC_AM
FM
FM MOD
POLARITY
(1, 0.1)
(1, 0.01, 0)
(1, 0.1)
(1, 0.01, 0)
S.P. GND
I.O.
AC/DC
LFS1,2 LVLO.1
AUD OUT LVL
MOD LVL
AUD MON SEL
KEY
IN
KEY
OUT
IO
CK
D
EN/
I
+1
2
.4
+5
.1
-12
.4
GN
DA
GNDD
NC
<1
Z OUT
W
AM MOD
TO
OUTPUT
SECTION
FM MOD
TO
SIG GEN
SYNTH
MON OUT TO
AUDIO ANALYZERS
B
B
A
GROUP
SERIAL I/O
LFS
GND
LFS2
LFS1
MODULATION
NC
NC
INPUT (SIDE PANEL)
(FROM SIGNALING
SOURCE)
(FROM SIGNALING
SOURCE)
(FROM SIGNALING
SOURCE)
AUDIO
OUT
(S
ID
E PANEL
)
NC
NC
ANALOG