HP 11869A Manual page 15

Model 11869A Installation
PLUG-IN INTERFACE CONNECTOR PI
RFM (RF MARKER)
LCGND {LOW CURRENT)
+20V
+5VB
HC GND (Ht CURRENT GND)
-10V
-10V UNREG
-40V
BAND 3 TURN ON
BAND 4TURN ON
BAND 1 TURN ON
BAND 2TURN ON
RTS {RETRACE STROBE)
NC
NC
NC
NC
NC
SEQ SYNC (SEQUENCE SYNCRONIZATION)
NC
NC
NC
NC
NC
NC
-10V SENSE
GND FREQ REF
+20V FREQ REF
L SSRQ (STOP SWEEP REQUEST)
-10V REFERENCE SWEEP SPEED
SQ MOD (1 KHz SQUARE WAVE MOD)
AM INPUT (EXTERNAL AM MOD.)
.1 - .01 SEC RANGE GATE
RFB (RF BLANKING)
CW & MAN GATE (SLOW SWEEP COMPENSATION)
VTUNE (TUNING VOLTAGE)
Figure 2-2. Plug-in Interface Signals on Connector PI
POWER SUPPLY INTERFACE CONNECTOR P2
(Connects to 8350A J3)
AM INPUT (W5)
FM INPUT (W7)
NC
NC
+20V SENSE
+20V RETURN
-10V
-10V RETURN SENSE
-40V
-40V RETURN SENSE
Alignment Pin
VTUNE
Figure 2-3. Power Supply Interface Signals on Connector P2
2-3
NC
NC
+20V
+20V RETURN SENSE
-10V UNREG
-10V SENSE
±10V RETURN
-40V SENSE
-40V RETURN