Fm Ctcss Encoder Frequency And Deviation Measurement" On - HP 8920A Application Handbook

FM CTCSS Encoder Frequency and Deviation Measurement
POWER
OFF ON
!
50Ω COXIAL
CABLE
ANTENNA
(RF OUT)
Description
This procedure is used to measure an FM Transmitter's Continuous
Tone Coded Squelch System (CTCSS) encoder frequency and
frequency deviation. Both frequency and deviation are read directly off
the Test Set screen. FM reference is ANSI/EIA RS-220-A.
TX TEST
RF IN/OUT DUPLEX OUT ANT IN
MAX POWER 60 W
!
M AX POWER 200 mW
CONTINUOUS
ATTENUATOR (OPTIONAL)
1
TRANSMITTER UNDER TEST
3 Knob Data Entry
SCREEN CONTROL
MSSG HELP CONFIG HOLD PRINT
RX TX DUPLEX PREV TESTS
USER DATA FUNCTIONS
k1'
REF SET METER AVG
INCR INCR INCR X10
7
k1
: 10 SET
k2' LO LIMIT HI LIM IT
k2
4
k3'
CURSOR CONTROL
k3
1
ASSIGN
k4
RELEASE
0
PUSH TO SELECT
k5
YES
ON/OFF
SHIFT CANCEL
MIC/ACC VOLUME SQUELCH AUDIO OUT
FM Transmitters
2
Keys
INSTRUMENT STATE
ADRS SAVE
MEAS
LOCAL RECALL PRESET
RESET
DATA
8 9
ENTER
dB
GHz
5 6
dBm
%
MHz
2 3
V
s
+ _ kHz
mV
Ω
NO ms
ppm % Hz
µV
W dBµV
ME MORY
CARD
AUDIO IN
HI LO
MAX MAX
! !
12 v Pk 42 v Pk
SHEILDED
AUDIO CABLE
MICROPHONE
(AUDIO INPUT)
65