Table of Contents
Advertisement
..
MZ 0500
2) V FO Circuit configuration
READ
DATA
-'"
Phase
-'"
Filter
detector
amplifier
~
VCO
I--
r
L
Data
separator
The V FO circuit has the following capabilities.
(1)
Two modes: MFM and FM.
-'"
(2)
The V FO circuit operation is suspended during the
SYNC
field located before the ID field and data field.
(3)
After suspention, the VFO circuit will synchronize
with the read data (timing is affected by a speed
change
In
the FDDl. Fluctuations in an individual bit
that may be seen (peak shift are ignored.
VFO circuit
s., ... ( ------'
+5\.
RlAD DATA
BA
5
TR
Bvl--+-H-=->
8 •
.---------+4-r+-------~IA
)8
IY
SEL
RESH
- 62-
Window
~ SEPARATED DA TA
~SEPARATED
CL OCK
+5V
~------t======t=='
+5V
Vct
INn \<;t
Advertisement
Table of Contents
