Principle Of The Current Mirror - Philips PM 5167 Instruction Manual

39
·----9----·-----------·-------~ 1 8
1 ' --- ' - ' - - - -- ' - ­
,-.,
amplltu de
current cont re i
I
I
source r - - 310 10 31 3 t - ­
r
JR 33 5 to 338
I
I
I
el'
~
,m pedance
• ) 305
308 ,I L 31 5
319 l.. •
convertet 2
1309
I -::: . ..
I-+--------<l~+-----t----i.K."_J
317 I
--K P071
(3201;::t--
I
IOV
pp
301,302
I
I
I
I
I
iV
impedance
19
/V
1--- - * - - 4 - - - - - - + - - - ---I converter
1
1-----0
uc
3231032 5 10V
pp
switching 352
I
array no.l
I
impedance
J'
r----Kl
3301
1333) .1 I 13451 1347,1":>1__
I
ZV
pp
, • 1 331 334 .• • 346 348 ( ­
325,327
~
converter 3
I
I
649
'---------+---- '---------+---­
I I
I
~
I '
current C
I
5QUrCe
I~
L __ ._._._._._._._.~5 ._._._.~
M
A S9B8
Fig. I. Block diagram of the oscillator U3
Alfl
r
o
d"B
- 2
r"\.
+ +
--
- -
- - -
--
--
-\
- 4
1 \
- 5
I
620
I
\
\
- 8
- 10
1
- 12
10
20 40 55 100
l
f/MHz
30
t,
t
308
ns
;"'"
20
I
OUT
n
c
10
-
---
~
301
10
20
-- ­
U OLIT
1./v
pp
across 50
(l
MAgz52
MA S9- 90
Fig. 8. Principle of the current mirror Fig.
9.
Grap h o f amplitude resp onse and rise time