Agilent Technologies HP8648A Weather Radio User Manual


 
FM Transmitters
76
FM Harmonics and Spurious Output Measurement
Description
This procedure is used to measure an FM Transmitter’s conducted
harmonic and spurious emissions. The spectrum analyzer option is
used to display harmonic and spurious components from 400 kHz to
1000 MHz. FM reference is ANSI/EIA-RS-152-C, RS-316-B.
DUPLEXTXRX PREV TESTS
CON FIGHELPMSSG HOLD PRINT
SCREEN CONTROL
LOCAL
ADRS
REC AL L
SA VE
MEAS
RES ET
PRESET
INSTRUMENT STATE
DATA FUNCTIONS
INCR
: 10
REF SET
IN CR
SET
METER
INCR X10
AVG
LO LIMIT HI LIMIT
CURSOR CONTROL
PUSH TO SELECT
CA NCEL
SHIFT
k1
k1’
k2
k2’
k3
k3’
k4
ASSIGN
k5
RELEASE
USER DATA
789
456
123
0
+
_
ENTER
GHz
dBm
dB
MHz
V
%
kHz
mV
s
Hz
µV
ms
%
dBµV
ppm
W
NO
ON/OFF
YES
MEMORY
CARD
AUDIO IN
LOHI
!
MAX
42 v Pk
!
MAX
12 v P k
AUDIO OUTSQUELCHVOLUMEMIC/ACC
MA X POWER 20 0 mW
!
ANT INDUPLEX OUTRF IN/OUT
!
MA X POWER 60 W
CONTINUOUS
POWER
OFF ON
1
2
Knob
TX TEST
50COXIAL
CABLE
ATTENUATOR (OPTIONAL)
TRANSMITTER UNDER TEST
ANTENNA
(RF OUT)
MICROPHONE
(AUDIO INPUT)
SHEILDED
AUDIO CABLE
3
Keys
Data Entry
SPECTRUM ANALYZER