Tektronix 7704A - Page 8

T he
TEKTRONIX 7704 Α
Oscilloscop e
System is α
soli d -state, h
igh p erformance
instr u ment
d esigne d for
gen-
eral a pp
lications . (For
rise time an d
band width s p
ecifica-
tions of
oscilloscope
systems using
the 7704 Α ,
see the
Operators manual) .
The system is
com p osed of two
individ-
ual
units, the Α
7704 Ac q uisition
U nit and t he
D7704
Disp
lay U n it .
The Α 7704
Acquisition
U nit h as
fo u r p lug-in
com p art-
ments . The
left pair of
p lug-in
units is connecte
d to the
vertical system
; the rig
h t p air is connecte
d to the
h orizontal
system .
E lectronic switchi
n g between
the plug-ins
con-
nected to
each s y stem
allows α
dual-trace vertical
d isplay or
α dual-swee
p ho r izontal
dis p lay .
7704 Α
Service
7704 Α Oscillosco p
e System .
I N TRODUCTION
T he
D7704 Disp
lay U nit
features α CRT
with small s p
ot
size
and h igh
writing rate . In ad d
ition to the
waveform,
the
CRT
can also dis
p lay al p ha-numeric
information
from
the
p l u
g-in units, such
as
deflection factor,
swee p
rate and
other enco de
d p arameters
. Standard
graticule size
is 8 Χ
10 cen timeters
.
DC su pp
lies in the
Ac q uisitio n
U nit su pp ly
p ower for
the entire
instru m ent .
These su pp
lies are regulated
to assure
that p
erformance is
not affected
by variations
in line
voltage
an d frequency,
or by c h
anges in load
due to the
varying
p ower re q uire
m ents of
t h e p lug-in
units .