Tektronix 2221 User Manual

Controls
,
Connectors
, and
Indicators
-
2221
Operators
on 3.
On
the
first
plot ,
the graticule and
waveform ( s ) are
drawn first , then
the readout .
intensity - modulation pattern
waveform .
the
displayed
C
4. The
instrument then acquires another
waveform ( s ) and plots only the newly acquired
data (
waveform ) .
39
Fuse
Holder
-
Contains
the
ac -
power -
source fuse .
See the rear panel nomenclature for fuse rating and
line
voltage
range
.
П
П
П
П
П
П
]
5. Acquisitions and waveform plots continue
as long as valid triggers are available .
40
Detachable Power Cord Receptacle - Provides the
connection point for
the ac power
source
to
the
instrument .
REAR PANEL
See Figure 3-6 for the location of items 38 through 40 .
SIDE PANEL
The standard side panel includes one AUXILIARY CON
NECTOR
.
Refer to Figure
3-7 for the
location
of item
41 .
NOTE
38 EXT
Z - AXIS
INPUT
Connector
-
Provides an input
connector
to
allow
external signals to be
applied to
the Z - Axis circuit to intensity modulate the NON
STORE
waveform
display
.
Applied
signals
do
not
affect the display waveshape . External signals with
fast rise and fall times provide the best defined
intensity modulation . Noticeable intensity modulation
will be
produced at normal
viewing intensity
levels by
a 5 V p - p signal . The Z - Axis signals must be time
related to the trigger signal to obtain a stable
To meet
EMI
regulations and
specifications , use the
specified
shielded
cable
and metal
connector
housing
with the housing grounded to the cable shield for
connections to the AUXILIARY CONNECTOR .
Л
41
AUXILIARY CONNECTOR - Provides connections
for an X - Y Plotter and an External Clock input . The
connector is described in Table 3-5 .
39
П
CAUTION
FOR CONTINUED FIRE PAOTECTION
REPLACE ONLY WITH SPECIFIED
TYPE AND RATED FUSE . DISCONNECT
POWER INPUT BEFORE
REPLACING FUSE .
CAUTION
TO AVOID ELECTAIC
SHOCK . THE POWER
CORO PROTECTIVE
GROUNDING CONOUCTOR
MUST BE CONNECTED
TO GROUNO .
X - Y Plotter
Connections
-
Provide
connections
for X - Axis output , Y - Axis output , and Pen Lift
control to drive an external X - Y Plotter . All
displayed waveforms are transmitted over the
Plotter
Interface
. The settling
time allowed
for
each
movement is
approximately
proportional
to
the distance of the movement . Connections for
LINE VOLTAGE RANGE FUSE 250V
90-250V AC ZA SLOW
П
П
Table
3-5
EXT Z AXIS INPUT
10KA . POSITIVE GOING
INPUT DECREASES
INTENSITY .
5 VOLT P.P CAUSES
NOTICEABLE MOOULA .
TION AT NORMAL
INTENSITY ,
00 NOT REMOVE
COVER . REFER
SERVICING TO
QUALIFIED PERSONNEL .
Auxiliary
Connector
S30V
PEAK
Pin Number
Function
POWER
MAX WATTS 85
MAX VA 150
FREQUENCY
48.440
Hz
1
TIKTION , INC . , BEAVENTOR , REGOR , V.S.A
2
3
4
EXT
CLK
input
Pen Lift
N.C.
X
signal
output
SHIELD GND
Y
signal
output
+4.2 V
output
Pen Lift
N.O.
Pen Lift
RELAY COMM
5
40
38
6
7
5301-23
8
9
SIG GND
П
П
日
П
O
Figure 3-6
.
Rear Panel .
3-13

Tektronix 2221 Specifications

General

Brand	Tektronix
Model	2221
Category	Test Equipment
Language	English