CONNECTORS
MOO Cl
+5v
RESERKKI
MOO
ANLG
GNO
MOO
SENSE
MOO
$1
DIG
&do
MT
LVL’
(COAX)
\
\
-15v
RESERVED
Figure C-3. Interface Signals of the Source Module Connector
The codes indicated on the illustration above translate as follows:
MOD DO
MOD
Dl
MOD D2
MOD D3
MOD CO
MOD Cl
CLAMP CNTL
MOD SENSE
L MOD RF OFF
EXT LVL RET
EXT LVL
0.5V/GHz
-15v
+15v
+w
+5v
DIG GND
MOD ANLG GND
ANLG GND RET
Source module data line zero. Signals MOD DO
through MOD D3 are the mm source module
data bus lines (bi-directional).
Data line one.
Data line two.
Data line three.
Source module control line zero. Signals MOD
CO and MOD Cl are the control lines for the
read/write to and from the mm source module.
Control line one.
Source module clamp control (not used).
Source module sense. A
1mA
current is injected
on this line by the mm source module to
indicate its presence. This signal always equals
0 v.
Low = RF off. Source module RF is turned off.
Source module external leveling return.
Source module
,external
leveling input, from the
mm source module.
Internal 0.5
V/GHz
to the mm source module.
Power supply. Range is -14.25 to -15.90 V.
Power supply. Range is +14.25 to
+16.40
V
Power supply. Range is
+7.75
to
t8.25
V.
Power supply. Range is
t4.75
to
t5.45
V.
Digital ground.
Source module analog ground.
Analog ground return.
C-10 Operating and Programming Reference
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