Fm Sinad, Receiver Center Frequency, And Modulation Accep - HP 8920A Application Handbook

FM SINAD, Receiver Center Frequency, and Modulation Acceptance Band-
width Measurement
Description
This procedure is used to measure an FM Receiver's sensitivity (for
12dB SINAD), center frequency, and modulation acceptance
bandwidth. All measurements are read from the Test Set screen.
Reference is RS-204D.
RX TEST
RF IN/OUT
POWER
OFF ON
M AX POWER 60 W
!
CONTINUOUS
50Ω COXIAL
CABLE
ANTENNA (RF INPUT)
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3 Knob
SCREEN CONTROL
M SSG HELP CONFIG
RX TX DUPLEX
USER DATA FUNCTIONS
k1' REF SET
INCR
k1
: 10
k2'
LO LIMIT
k2
k3'
CURSOR CONTROL
k3
ASSIGN
k4
RELEASE
PUSH TO SELECT
k5
SHIFT CANCEL
MIC/ACC VOLUME
DUPLEX OUT ANT IN
!
M AX POWER 200 mW
TEST LOAD
1
RECEIVER UNDER TEST
Data Entry
Keys
INSTRUMENT STATE
HOLD PRINT ADRS SAVE
MEAS
PREV TESTS LOCAL RECALL PRESET
RESET
DATA
METER AVG
INCR INCR X10
7 8 9
ENTER
SET
HI LIMIT
dB
GHz
4 5 6
dBm
%
MHz
1 2 3
V
s
kHz
+ _
0
mV
Ω
YES NO ms
ppm % Hz
ON/OFF
µV
W dBµV
M EMORY
CARD
SQUELCH AUDIO OUT AUDIO IN
HI LO
M AX MAX
! !
12 v Pk 42 v Pk
SPEAKER
(AUDIO
+
INPUT)
GND
FM Receivers
2
83