Tektronix FG 5010 User Manual

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n
П
n
n
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n
C.
C
1
n
П
1
П
n
1
П
n
e .
CHECK-
(
positive
duration
)
is
within
2
%
of
the se
lected
symmetry
value
.
f .
Set
the
FG
5010
frequency to
any
value
between
2
MHz
and 20
MHz
.
Select
only
FREQ /
SYM
combinations
that
allow at
least 25 ns
triangle
transition
time
.
NOTE
g .
CHECK- (
positive
duration
)
is
within
3
% of the
select
ed symmetry value .
h .
Remove all
connections .
7.
Check
Phase (
TRIG ,
GATE ,
and BURST
modes )
a .
Connect
the
square
wave
generator
output to
the
FG
5010
TRIG /
GATE IN
.
Set
the
square
wave
generator
for
an output pulse that varies from V to +1 V.
b .
Connect the FG
5010
OUTPUT to the
7A13
+ IN
PUT
. Set
the FG
5010
as
follows
:
FREQ
AMPL
MODE
FUNCTION
PHASE
≤1 MHz
6.32 V
TRIG
TRIANGLE
Any Value Between ± 90 °
Set the square wave generator to 10 kHz and the
FG
5010 to
100 kHz .
Obtain a
visible
triggered
output
from the FG
5010
.
REV JUL 1982
c . Set
the
7A13
Volts
/ Div
to 20
mV and
the +
and
inputs
to
GND . Set
the
oscilloscope trace
to the
center
grat
icule line .
d . Set
the
input
to dc
and the
input
to
Vc .
e . Vary
the
Comparison
Voltage
and
note the
voltages
designated in
Fig . 5-1 .
V1
Phase
Performance
Check
Procedure -
FG
5010
+
80 °
V2
f . Use the
following
formula to
check that the
FG 5010
phase accuracy is ± 3 ° or less for frequencies < 500 kHz :
2 ( V₁ )
( V₂
) (
V₂ )
2 ( V₂ ) ( V3
)
X
180
°
+
7 °
+
Fig . 5-1 . Phase measurements .
-
V3
g . If the
selectable
frequency
is above
1 MHz , set
the
phase
between :
f
(
20
MHz
×
40-
)
3467-49
h .
For
frequencies >
500
kHz
,
the
phase
accuracy is :
X
20 X
setting
20
MHz
NOTE
The 7S11 / 7T11 Sampling System must be used for
frequencies
greater than
1 MHz .
i .
Connect
the FG
5010
OUTPUT to
the
7S11
input us
ing a precision 50 2 cable and a 10X attenuator .
j . Set
the
7S11
Volts
/ Div
switch to 5 mV .
k .
Connect the
7S11
input
and
adjust
the
DC
OFFSET
to position the
trace to the
center
graticule
line
. Note the
reading on
the DVM
.
1. Using the diagram in Fig . 5-1 , find the change in volt
age ( from the reference in step k ) to each of the voltage
points . Use
the
formula
in
step f to
calculate
phase .
5-5

Tektronix FG 5010 Specifications

General

Brand	Tektronix
Model	FG 5010
Category	Portable Generator
Language	English