A
djacent
Channel
P
ower
Calculation
The
adjacent
channel
power
measurement
examines
the
leakage
power
transmitted
into
an
adjacent
channel
(that
is
,
the
channel
next
to
the
carrier
channel).
This
program
calculates
the
adjacent
channel
power
leakage
ratio
to
the
power
of
the
transmitter
(Pl0Pc
,
Ph0Pc)
in
dBc
.
Figure
11-3.
A
djacent
Channel
P
ower
Before
running
the
program,
set
up
the
measurement,
calibrate
the
analyzer
,
and
connect
the
signal
to
the
input
port.
d
a
10
!
20
!
Figure
11-4.
Adjacent
Channel
Power
Calculation
30
!
40
ASSIGN
@Hp4396
TO
717
!
When
iBASIC
is
used,
change
"717"
to
"800"
50
Fadj=25000
!
Hz
60
Fs=16000
!
Hz
70
Rbw=100
!
Resolution
bandwidth,
Hz
80
Nop=801
!
Number
of
measurement
points
90
Fspan=80000
!
Frequency
Span,
Hz
100
Avg=10
!
Averaging
factor
110
!
120
CLEAR
SCREEN
130
INPUT
"Enter
carrier
frequency(Hz).",Fcent
140
OUTPUT
@Hp4396;"CENT
";Fcent
150
OUTPUT
@Hp4396;"SPAN
";Fspan
160
OUTPUT
@Hp4396;"BW
";Rbw
170
OUTPUT
@Hp4396;"AVERFACT
";Avg
180
OUTPUT
@Hp4396;"FMT
NOISE;SAUNIT
DBM;ATTAUTO
ON;AVER
ON"
190
OUTPUT
@Hp4396;"HOLD;AVERREST"
200
!
210
INPUT
"Connect
input
port
and
press
Enter.",Dum$
220
DISP
"MEASURING"
230
OUTPUT
@Hp4396;"TRGS
INT"
240
OUTPUT
@Hp4396;"CLES"
250
OUTPUT
@Hp4396;"*SRE
4;ESNB
1"
Figure
11-4.
Sample
Program
:
A
djacent
Channel
P
ower
Calculation
(1/2)
11-4
Using
Application
Programs
Содержание Agilent 4396B
Страница 12: ...Tables A 1 Manual Changes by Serial Number A 1 A 2 Manual Changes by Firmware Version A 1 Contents 6 ...
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Страница 99: ...Agilent 4396B Network Spectrum Impedance Analyzer Using Instrument BASIC with the 4396B Printed in JAPAN ...
Страница 100: ...c Copyright 1997 2000 2001 2003 Agilent Technologies Japan Ltd ...
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Страница 163: ...C The Keyboard Mini DIN keyboard is following key layout Figure C 1 mini DIN Keyboard The Keyboard C 1 ...
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