Rx Sensitivity (Sinad) - Motorola V120x Instruction Manual

Test Procedures
RX Sensitivity Test (SINAD)
SIN AD
8 22 .2 5
AF Gen 1 Freq
RF Ge n Fre q
8 79 .9 90 00 0 1 . 00 00
MH z kH z
Amp li tu de AF Gen 1 To
-11 6.0 FM
8 .0 0
d Bm
Atten H o ld
kH z
On /Off
Outp ut Port
RF Out / D upl
Test Mode Commands:
Using RadioComm software (Please refer to the
RadioComm Test Procedure)
- Suspend Radio
- Load synthesizer to channel 333
- Unmute receiver audio path
- Turn on compander
- Set volume control to level 4
- Set RX audio path to Ext. path
Sinad measured on the communications
analyzer must be more than 12dB.
Duplex SINAD can be measured with the same
setting "SET_RF_PWR to lv 2 and turn
"CARRIER" on using RadioComm, which turns
on the transmitter at power step 2.
Motorola Confidential Proprietary
R X TEST
dB AC Le vel
0.6336
2 4
-1 16 .0
AF Ge n 2 Freq Filte r 1
1 . 0 00 0 C m es sa ge
kH z
RF Out
AF Gen 2 To Fi lte r 2
FM 15 kH z LPF
OFF
Ex t Loa d R
8 . 0 0
Communications Analyzer
Setup
V
ï Select RX button from the Analog
Screen Control panel
ï SetRX frequency to 879.990 MHz
ï SetAmplitude to -116 dBm
To Sc ree n
CDMA
ï SetAF gen1 to 1 kHz frequency at
CA LL C NTL
SMS 8 kHz deviation, using FM modu-
AU THE N
lation (PLEASE NOTE: this is for
Analog
AMPS only; NAMPS uses much
R X TES T
lower deviation)
C onfi g
TESTS
ï Set AF Filter 1 set toC message
filtering
ï SetAF Filter 2 to 15 kHz
36
CDMA T120x
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