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Tektronix 7613 User Manual

Tektronix 7613
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ALT
Mode
of
owe
P
~~
Sp
1
o
Display
Right
Command
FF
Sweep
>
a
T
Holdoff
|
Cp
Fig.
3-10.
Logic
diagram
of
Vertical
Binary
stage.
the
next
positive-going
Sweep
Hoid-off
pulse.
The
action
is
the
same
with each
pulse,
so
the
signal
at
the
output
of
this
stage
is
at
the
same
repetition
rate
as
the
Sweep
Holdoff
Circuit
Description
-7613/R7613
Service
input.
Therefore,
this
stage
is
now
operating
as
a
divide-by-
one
counter
rather
than
a
divide-by-two
counter
as
described
previously.
The
output
under
this
condition
is
used
only
by
the
Plug-In
Binary
stage.
Since
the
Vertical
Binary
stage
can
change
output
states
only
at
the
end
of
each
sweep,
there
will
be
no
Alternate
Drive
signal
for
either
the
mainframe
or
vertical
plug-in
units
if
a
sweep
is
not
being
produced
by
the
horizontal
plug-in
unit.
Plug-In
Binary
The
Plug-In
Binary
stage
consists
of
U156B,
which
is
connected
as
a
triggered
flip-flop
with
direct-set
input.
The
trigger
input
for
this
stage
is
the
Display
Right
Command
from
the
Vertical
Binary
stage.
When
the
VERT
MODE
switch
is
set
to
ALT,
the
repetition
rate
of
the
Display
Channel
2
Command
output
of
this
stage
is
one-fourth
of
the
Sweep
Holdoff
input
(see
waveforms
in
Fig.
3-11).
For
any
position
of
the
VERT
MODE
switch
except
ALT,
the
repetition
rate
of
the
output
signal
from
this
stage
is
one-half
of
the
Sweep
Holdoff
input.
A
logic
diagram
of
the
Plug-In
Binary
stage
is
shown
in
Fig.
3-12.
Sweep
Holdoff
from
Time-base
Unit
Sweep
sawtooth
LAVINA
NN"
|
1
se
me
Display
Right
Command
Vertical
Binary
Stage
——
=
ee
em
see
coe
Output
Display
Channei
2
Command
Plug-In
Binary
Stage
Output
'
Right
Left
§
Vertical
Vertical
Display
when
using
|
Unit
Unit
two
dual-trace
|
vertical
units
in
t
CH
2
CH
2
ALT
mode
!
i
|
Right
|
Left
J
1
Vertical
§
Verticat
1!
I
Unit
!
Unit
!
1
1 I
t
CH1
1
CH1
|
| 1 |
1
’ {
Fig.
3-11.
Itdealized
waveforms
showing
relationship
between
input
and
output
waveforms
for
Vertical
Binary
and
Plug-in
Binary
stages
when
operating
in
ALT
mode.
3-15
7613

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Tektronix 7613 Specifications

General IconGeneral
BrandTektronix
Model7613
CategoryTest Equipment
LanguageEnglish

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