Fm Audio Output Power Measurement - HP 8920A Application Handbook

FM Receivers

FM Audio Output Power Measurement

POWER
OFF ON
!
50Ω COXIAL
CABLE
ANTENNA (RF INPUT)
80
Description
This procedure is used to measure an FM Receiver's maximum audio
output power (or rated output power) into a Test Load. Output power is
displayed (in various measurement units, including watts) on the Test
Set screen. The FM reference is RS-204D and RS-316B.
RX TEST
RF IN/OUT DUPLEX OUT ANT IN
M AX POWER 60 W
!
MAX POWER 20 0 mW
CONTINUOUS
1
RECEIVER UNDER TEST
3 Knob Data Entry
Keys
SCREEN CONTROL
MSSG HELP CONFIG HOLD PRINT ADRS
RX TX DUPLEX PREV TESTS LOCAL
USER DATA FUNCTIONS
k1' REF SET M ETER AVG
INCR INCR INCR X10
7
k1
: 10 SET
k2' LO LIMIT HI LIMIT
k2
4
k3'
CURSOR CONTROL
k3
ASSIGN 1
k4
RELEASE
0
PUSH TO SELECT
k5
YES
ON/OFF
SHIFT CANCEL
MIC/ACC VOLUME SQUELCH AUDIO OUT
M AX
!
1 2 v Pk
TEST LOAD
2
INSTRUMENT STATE
SAVE
MEAS
RECALL PRESET
RESET
DATA
8 9
ENTER
dB
GHz
5 6
dBm
%
M Hz
2 3
V
s
+ _ kHz
mV
Ω
NO ms
ppm % Hz
µV
W dBµV
M EMORY
CARD
AUDIO IN
HI LO
M AX
!
42 v Pk
SPEAKER
(AUDIO
+
INPUT)
GND