The f r eq u e n c y se l e c te d i s d i spl a yed on t h e CRT ( t op l i n e
sma l l
I e t t e r s ) . The d i s p l ayed f requ e n c y i s t h e n ea re s t a v a i l a b l e f reque n cy
g r e a t e r t ha n t he s e l e c t e d va l ue . T h e s i n e g e n e ra t o r ROM o f t he 2 1 5 0 /
2 1 6 0 u s e s s e pa ra t e a l g o r i t hm s t o g e n e r a te t e s t f r e q u e n c i e s a bove and
b e l ow 1 0 , O O O H z ( e x c e p t 1 2 k H z , 1 5k H z , 2 0 k H z , 3 0 k H z , a nd 6 0 k H z - -w h i c h
a re g e n e ra t e d by t h e " be l ow 1 0 , 0 0 0 H z " a l g o r i t hm ) .
Ta b l e 2 - 3 s hows some o f t h e c ommon l y u s e d f reque n c i e s be l ow 1 0 k H z .
When F i s a t or be l ow 1 0k H z , o r w h e n F i s a bo ve 1 0k H z a n d y i e l ds a n
i n te g r a l q uo t i e n t w h e n d i v i de d i n to 6 0 , 0 0 0 , t h e f o l l ow i n g f or m u l a i s
u s e d t o d e t e r m i n e w h i c h f r equ e n c i e s a re a va i l a bl e :
F
=
6 0 k H Z /N l
W h e r e :
Nl i s a n i n te g e r 1
<
N l
<
3 0 0 0
Table
2-4 .
Te s t Freque n c i e s Be low
10kHz
and D i v i sors of
60kHz
y i e l d i ng
I n tegra l Quo t i e n t s
Nl
F r eq u e n c y
N l
F r eq u e n c y
Nl
F r e q u e n cy
N l
F r e q u e n c y
( H z )
( H z )
( H z )
( H z )
1
6 0 , 0 0 0
1 2
5 , 00 0
80
7 5 0
5 0 0 1 2 0
2
3 0 , 0 0 0
1 5
4 , 0 0 0
1 0 0
6 0 0
6 0 0
1 0 0
3
2 0 , 0 0 0
2 0
3 , 00 0
1 2 0
5 0 0
1 0 0 0
6 0
4
1 5 , 00 0
3 0 2 , 00 0
1 5 0
4 0 0
1 2 0 0
5 0
5
1 2 , 0 0 0
4 0
1 , 5 0 0
2 0 0
3 0 0
1 5 0 0
4 0
6
1 0 , 00 0
5 0
1 , 2 0 0
3 0 0
2 0 0
2 0 00
3 0
1 0
6 , 0 0 0
6 0 1 , 0 0 0
4 0 0
1 5 0
3 0 00
2 0
Vl
Vl
W
�
U
u
z
z
w
w
�
N
�
a
J:
N
N
N
N
N
N
N
N
a
N
w
N
J:
c.:
F REQUENCY
.:>I.
J:
J:
J:
J:
J:
N
J:
J:
w
.
J:
u..
J:
�
.:>I.
.:>I.
.:>I.
.:>I.
.:>I.
.:>I.
J: .:>I.
.:>I.
c.:
..:L
�
0
�
0
�
0
r--.
.:>I.
-.0
�
u..
�
0..
0
C")
0
"1
"1
�
0..
0..
0
-.0
0
0
N
-.0
N
N
C")
N
00
r--. -.o
N l
=
1
2
3
4
5
6
7
8
9 1 0
60
3000
2 - 4 7
e l s l i 2 1 5 0 /2 1 6 0 5 /8 5
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...