Table of Contents
Advertisement
2-2-1-5. Function and operating waveform of read write LSI terminals
Following shows the function
of
the read write LSI,
U2
and typical
operating waveforms
-
(1) Pre-amplifier
(a) RWOO (pin 121, RWOl (pin
14)
Terminals
f o r
side
0
head connection.
U
WRITE
DATA
interval
I
Side
0
read: 2.7V, approx.
Side 1 write: OV, approx.
Side
0
write
Side 1 read: OV, approx.
(b)
Rwol (pin 13)
,
RWll (pin
15)
Terminals for side 1 head connection.
1
11.5V, approx.
WRITE
DATA
interval
Side 1 read: 2.7V, approx.
Side
0
write: OV, approx.
Side 0 read: OV, approx.
I T -
Side 1 write
(c) GSC (pin
111,
G S O
(pin 101, GS1 (pin
9)
Setting terminals of pre-amplifier gain.
If GSC-GSO is shorted or connected with a capacitor, the differential
voltage gain of the pre-amplifier is 115 times, approx.
-
216
-
Advertisement
Chapters
Table of Contents
