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Note 2: Measure voiceband image signal, stimulus signal level is -25dBm0.

Distortion

Receive gain variation

with level

Sinusoidal test method,

PCM level=-40dBm0 to +3dBm0

PCM Level=-50dBm0 to -40dBm0

PCM Level=-55dBm0 to -50dBm0

-0.2

-0.4

-1.0

0.2

0.4

1.0

dB

dB

dB

Transmit signal to total

distortion

Sinusoidal test method, A-law

(psophometric filter), u-Law (C

message filter), FSX=FSR,

GXO=+3dBm0

GXO=0 to -30dBm0

GXO= -40dBm0

GXO= -45dBm0

GXO= -50dBm0

GXO= -55dBm0

33

36

29

25

20

14

dB

dB

dB

dB

dB

dB

Transmit single fre-

quency distortion

Sinusoidal test method, PCM

code for all channels equals to

positive zero, FSX=FSR,

-46

dB

Receive signal to total

distortion

Sinusoidal test method, A-law,

(psophometric filter), u-Law (C

message filter), FSX=FSR,

f=1015.625Hz,

PCM level=+3dBm0

PCM level=0 to -30dBm0

PCM level=-40dBm0

PCM level=-45dBm0

PCM level=-50dBm0

PCM level= -55dBm0

33

36

29

25

20

15

dB

dB

dB

dB

dB

Receive single fre-

quency distortion

Sinusoidal test method, PCM

code for all channels equals to

0dBm0, FSX=FSR,

f=1015.625Hz, GXO=0Vrms

-46

dB

Receive spurious out of

band signals

Single frequency, PCM code for

all channels equals 0 dBm0,

300Hz-3.4KHz, FSX=FSR,

GXO=0Vrms

f=4.6KHz-7.6KHz

f=7.6KHz-8.4KHz

f=8.4KHz-100KHz

-30

-40

-30

dB

dB

dB

Symbol

Parameter

Conditions

Min

Typ

Max

Units