Agilent Technologies Agilent 8648A Weather Radio User Manual


 
AM Transmitters
125
AM Microphone Sensitivity and Modulation Limiting Measurement
Description
This procedure is used to measure an AM Transmitter’s audio input
sensitivity, and modulation limiting capability (if available).
Modulation limiting is verified over the Transmitter’s audio frequency
range.
DUPLEXTXRX PREV TESTS
CONFIGHELPMSSG HOLD PRINT
SCREEN CONTROL
LOCAL
ADRS
RECALL
SAV E
MEAS
RESET
PRES ET
INSTRUMENT STATE
DATA FUNCTIONS
INCR
: 10
REF SET
INCR
SET
METER
INCR X10
AVG
LO LIMIT HI LIMIT
CURSOR CONTROL
PUSH TO SELECT
CANCEL
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
ME MORY
CARD
AUDIO IN
LOHI
!
MAX
42 v Pk
!
MAX
12 v Pk
AUDIO OUTSQUELCHVOLUMEMIC /ACC
MA X POWER 200 mW
!
ANT INDUPLEX OUTRF IN/OUT
!
MAX 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
ADUIO CABLE
3
Keys
Data Entry