DISTORTION

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

(*)

Signal to Total Distortion

(up to 35dB gain)

Typical values are measured with

30.5dB gain

Sinusoidal Test Method

(measured using linear 300 to

3400 weighting)

Level = 0 dBm0

Level = -6 dBm0

Level = -10 dBm0

Level = -20 dBm0

Level = -30 dBm0

Level = -40 dBm0

Level = -45 dBm0

Level = -55 dBm0

56

50

48

43

38

29

24

15

#

56

50

48

43

37.5

28.5

23

13

65

64

61

52

42

31

26

16

dB

dB

dB

dB

dB

dB

dB

dB

Single Frequency Distortion

transmit

0 dBm0 input signal

-80

-56

dB

(*)

Signal to Total Distortion (VFr)

( up to 20dB attenuation)

Typical values are measured with

20dB attenuation.

Sinusoidal Test Method

(measured using linear 300 to

3400 weighting)

Level = -6 dBm0

Level = -10 dBm0

Level = -20 dBm0

Level = -30 dBm0

Level = -40 dBm0

Level = -45 dBm0

Level = -55 dBm0

50

48

43

38

29

24

15

64

62

53

43

33

28

18

dB

dB

dB

dB

dB

dB

dB

Single Frequency Distortion

-6 dBm0 input signal

-80

-50

dB

(*)

Signal to Total Distortion (VLr)

(up to 20dB attenuation)

Typical values are measured with

20dB attenuation

Sinusoidal Test Method

(measured using linear 300 to

3400 weighting)

Level = -6 dBm0

Level = -10 dBm0

Level = -20 dBm0

Level = -30 dBm0

Level = -40 dBm0

Level = -45 dBm0

Level = -55 dBm0

50

48

43

38

29

24

15

64

62

53

43

33

28

18

dB

dB

dB

dB

dB

dB

dB

Single Frequency Distortion

-6 dBm0 input signal

-80

-50

dB

IMD

Intermodulation

Loop-around measurement

Voltage at MIC = -10 dBm0

to -27 dBm0, 2 Frequencies in

the range 300 - 3400 Hz

-75

-46

dB

(*) The limit curve shall be determined by straight lines joining successive coordinates given in the table.

(#) Lower limits used during the automatic testing to avoid unrealistic yield loss due to

±2dB imprecision of time-limited noise measurements.

CROSSTALK

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Transmit to Receive

Transmit Level = 0 dBm0,

f = 300 - 3400 Hz

DR = Quiet PCM Code

-100

-65

dB

Receive to Transmit

Receive Level = -6 dBm0,

f = 300 - 3400 Hz

MIC = 0V

-80

-65

dB

ST5090

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