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PROPORTIONAL
PROPORTIONAL
r - - -
-
- - - - - -
-
-
- - - -
-
- - -
I
INCIDENT
IODB
I
REFERENCE
9--()4--1
I
75K<
I
TOTAL
-=
I
I
I
I
I
I
AMPLIFIER
&CONSTANT
VOLTAGE
SOURCE
la
'
V1.V2A
l KC FILTER
EXCESS COUPLER LOSS
1KC Fl LT ER
SAMPLE
OF
SQUARE
LAW
REFLECTED
AMPLIFIER
AMPLIFIER
CONSTANT
CURRENT
SOURCE
t-----L-----"'..::--:::..-+t-tor-.--;
v
3
--<>4-+
REFLECTED
DETECTOR
REFLECTED
POWER
VOLTAGE
JPROBE , _ _ _
I
""""
75K
I
I
V4
V
2 B
SET TO FULL SCALE
RANGE SWITCH
L
__
_: ____
_
115/23ov
POWER
50160
"'
SUPPLY
VIB
Fig.
4.
Model 416A Block Diagram
VOLTAGE
REGULATOR
Vl9, V20,V21
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