Tektronix 494A Water Dispenser User Manual


 
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Change
step
12
as
follows:
12.
Check
Calibrator
Output
(-20
dBm
r0.g
dB)
a. Apply
an
external
100
MHz
signal
to
lhe
power
meter
through
a
3 dB
attenualor
and
a
50e
iable.
Set
the generaror
output
level
lor
a
reading
ol
-20
dBm
on the
power
meter.
Change
step
l7 as
follows:
PART
I
Change'a."
ta read
as follows:
a.
Connecl
the test
equipment
as
shown
in
Figure
4_14.
Set
the
Spectrum
Analyzer
controls
as
follows:
'Selea
3 test frequencies
Test Freq.
1:
1O
kHz
-
1.8
GHz
Tesl
Freq.
2:
1.8-18
GHz
Test
Freq.
3:
18-21
GHz
PARTIII
Change
"b."
to
read
as
follows:
b.
Connect
the test
equipment
as
shown
in
Figure
4-15.
Set
the
Spectrum
Analyzer
controls
as
{ollows:
VERTICAL
DISPLAY
NARROW
VIDEO
FILTER
TIME/DIV
PEAI(AVERAGE
VIEW
A and VIEW
B
CENTER
FREOUENCY
SPAN/DIV
RESOLUTION
BANDWDITH
REF LEVEL
MIN RF
ATTEN
dB
MIN
NOISE
VEBTICAL
DISPLAY
NARROW
VIDEO
FILTER
TIME/DIV
PEAIOAVERAGE
VIEW
A and VIEW
B
2dBtDtv
On
AUTO
Fully
Clockwise
On
Test
Frequency*
200
kHz
1
MHz
-25
dBm
50
On
2 dB/DtV
On
AUTO
Fully
Clockwise
On
'SeleA
3 test
lrequencies
Test
Freq. 1
:
1O
kHz
-
1.8
GHz
Test
Freq.2:
1.8-18
GHz
Test
Freq.3;
1g-21
GHz
PARTIT
Change'b."
to read
as
follows:
b.
Connect
the
test
equipment
as
shown
in
Figure
4-14.
Set
the
Spectrum
Analyzer
controls
as
follows:
'Select
3
test
frequencies
Test
Freq-
1 :
10 kHz
-
1 _8 GHz
Test
Freq. 2:
1.8-18 GHz
Test
Freq.3:
't8-21
GHz
CENTER
FREOUENCY
SPAN/DIV
RESOLUTION
BANDWDITH
REF
LEVEL
MtN
RF
ATTEN
dB
MIN
NOISE
VERTICAL
DISPLAY
NARROW
VIDEO
FILTER
TIME/DIV
PEAIVAVERAGE
VIEW
A and
VIEW
B
CENTER
FREOUENCY
SPAN/DIV
RESOLUTION
BANDWDITH
REF
LEVEL
MIN
RF
ATTEN
dB
MIN
NOISE
Tesl
Frequenry'
200
kHz
100
kHz
-30
dBm
0
On
2 dB/DIV
On
AUTO
Fully
Clockwise
On
Test
Frequency'
200 kHz
1
00
kHz
-25
dBm
30
On
1-5