3 . 3 . 2 . 4
P h a s e Tr i ms
T P I
:3
U5
To D i fferen ti a l
Amp I i fi er
Mu
It i p lexer
From
HI SE NS E
F i g u re 3-8 .
P ha s e Tr i ms
P h a s e ca l i b ra t i on t r i mm e r s
R I g
t h ru
R 2 3
a n d
R 4 0
ca l i br a t e d i s s i pa t i on
fa c t o r f o r e a c h mea s u reme n t r a n g e .
T h e y compe nsa te
for p h a s e
d i f f e re n c e s be twe e n the u n k n own a n d s t a nda r d mea s u remen t c ha nne 1 s .
S o l i d s ta te sw i t c h
U 5
c ha n g e s t he pha se t r i m w h e n t h e c o r re s p o nd i ng
ra n g e re s i s t o r i s c ha n g e d .
3 . 3 . 2 . 5
D i f f e re n t i a l
2
U
1 5 '5
( 3 9
F rom
R35
R45
L 0
S E N SE
R4 1
R46
14
F i gure 3 - 9 .
D i f fere n t i a l Ampl i f i e r
e
l
s
l
i
3 - 1 5
2 1 5 0 / 2 1 6 0
5 / 8 5
U 1 5
4
U 15
T P3
To
Gain
A m p l i fi ers
Содержание VideoBridge 2150
Страница 24: ...BLANK 1 6 e l s l i 2 1 50 2 1 60 5 8 5...
Страница 222: ...5 3 1 Mo the rboa rd Ca ble Assembly piN 4 9 3 0 2 METRI C A l l D ims in mm 1 14 3 1 _ 215 4 E F TO MOTHE OA Rt 5 4 56...
Страница 230: ...R54 R 1 9 R23 6 TP8 o O NC N N N N a a a a a F i gure 5 5...
Страница 252: ...A t S E C T I ON A A 4 5 0 0 m m 5 rY1 m A...
Страница 307: ...Figure 8 1 General Handler Interface Circuit Assembly P N 47895 B 2 e s i 2150 2160 5 85...
Страница 318: ...DIOII DI Z G O O L 2 _ j_ _ D I04 4 _ _ _ DI05 __ t _ _ DI06t2 DI01 __ _ r _ OI08 r U4 n l r L t TM 9914 Fig...
Страница 330: ...F i gure 8...