Agilent Technologies 8935 Series, Manual

Page: 298 / 343

Ch
ap
te
r 10
29
7
Bl
oc
k D
ia
gr
ams
A
u
dio Anal
yz
er
S
ect
ion
F
ig
u
r
e
10
-9
Me
a
s
ur
em
e
n
t Ass
e
m
b
ly
, A2
A3
3
MEASUREMENT ASSY.
DIGITAL
CONTROL
STATE-
MACHINE
SCOPE
RAM
A-D
TRIGGER
LEVEL
ANALOG
MEAS
CNTR
MUX
X
AUDIO
INPUT
M
E
AS
+5
VA CURRENT
SENS
E
UPCENV_
D
IAG
G_
REF
_
DIAG
DNCNV_
D
IA
G
SPE
C
ANAL
L
OIF
_DIAG
RI_
V
M
_
ID
AUDIO
M
E
ASURE
LF
S1 LF
S2 5
0
0
M
Hz DIAG
1
0
0
0
M
Hz DI
AG
+1
2
CRT
+9
V +5
V
D +4
0
V
+1
2
.4
VA
OS DI
AG
VOLTMETER MUX
20 MHz
FROM REF
SECT
+10 dBm
GND
700 kHz IF CNT
GREF_CNT_INOUT
AUDIO CNT
MEAS_SBRC
.
.- 2
TRIG
MUX 2
TRIG
MUX 1
TRIG-
GER
S
C
O
P
E
M
U
X
GAIN
&
OFF
SET
SIGNAL TRIGGER
FROM SIG. SRC & ANAL.
GENREF_SCP_TRIGGER
EXT. TRIGGER
0 TO 5V (R.P.)
TRIG_OUT
TRIG_IN
SA_SCP
SA_SCP2
SA_SCP3
DET_LO
IN_VOLT
AUDIO OUTPUT
TO SPECT.
ANALYZER
FROM RFIO
SWP STRT SG
SWP STRT RCVR
SWP STRT SA
+5
+5
VA
+
12.4
-12.4
D B A
16
7
5
I/O FROM
CONTROLLER
(FROM MEMORY_SBRC)
A2A33
(FROM AUDIO ANALYZER 2)
CRT_MEAS_BUS