Repeater System Effective Sensitivity Measurement - HP 8920A Application Handbook

Using the Tracking Generator

Repeater System Effective Sensitivity Measurement

Description
This procedure is used to measure the effective sensitivity of a repeater system
using the Spectrum Analyzer/Tracking Generator option. Once effective
sensitivity measured, receiver sensitivity degradation is calculated.
DUPLEX TEST
RF IN/OUT
POWER
OFF ON
MAX POWER 60 W
!
CONTINUOUS
ANTENNA
(RF OUTPUT)
50Ω COXIAL
CABLE
228
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Knob 3
SCREEN CONTROL
MSSG 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
REPEATER
Transmitter Receiver
Receiver
Transmitter
Duplexer
Duplexer
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 LIM IT
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
ME MORY
CARD
SQUELCH AUDIO OUT AUDIO IN
HI LO
MAX MAX
! !
12 v Pk 42 v Pk
SPEAKER
+
(AUDIO
INPUT)
GND
ANTENNA
(RF INPUT)
2