Tektronix PS 5010 - Page 220

A14 FLOATING SUPPLY BLOCK DIAGRAM
r\
CPU BOARD
V
CPU BOARD
DATA INPUT
OPTO-
I SOLATORS
OUTPUT
PASS TRANSISTOR
1 IN POWER MODULE 1
REAR
PANEL
"YjW
+ SENSE
I I
SH I FT
REG1 STERS
1:
+ BASE DRIVE
EVV\r
+ VOLTAGE ERROR
+ VOLTAGE DAC
-
1
I I
LOOP BALANCE
STATUS COMPARATOR
-
- CURRENT DAC
. - CURRENT ERROR
1 3-
0 -+
- VOLTAGE ERROR
-
- VOLTAGE DAC
-
I
@
+
I
SWITCHING