PBL38541/1SO データシートの表示（PDF） - Ericsson

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PBL38541/1SO

Universal Speech Circuit

Ericsson  

PBL 385 41

Electrical Characterisics

At TAmb = + 25° C. No cable and line rectifier unless otherwise specified.

Parameter

Ref.

fig. Conditions

Min

Typ

Max

Line voltage, VL

2

2

Transmitting gain, note 1

2

2

2

Transmitting range of

2

regulation

Transmitting frequency

2

response

Transmitter input impedance, pin 3 2

Microphone input impedance

2

Transmitter dynamic output

2

Transmitter max output

2

Transmitter output noise

2

Receiving gain, note 1

2

2

2

Receiving range of regulation

2

Receiving frequency response

2

Receiver input impedance

2

Receiver output impedance

2

Receiver dynamic output

2

note 2

Receiver max output

3

Receiver output noise

2

Mute input voltage

2

at mute (active low)

DC1 -supply voltage

2

Pin 9

DC -supply voltage

2

2

Pin 8

DC-output pin 8 input

4

leakage current (no supply)

DTMF transmitting gain

2

DTMF input impedance

2

IL = 15 mA

IL = 100 mA

20 •10 log (V / V ); 1 kHz

23

R =0

L

RL = 400 Ω

R

L

=

900

Ω

-

2.2

kΩ

1 kHz, RL = 0 to 900 Ω

200 Hz to 3.4 kHz

3.3

3.7

4.1

11

13

15

41

43

45

43.5

45.5

47.5

46

48

50

3

5

7

-1

1

1 kHz

200 Hz - 3.4 kHz

≤

2%

distortion,

I

L

=

20

-

100

mA

200 Hz - 3.4 kHz

IL = 0 - 100 mA, V3 = 0 - 1 V

Psoph-weighting, Rel 1 Vrms, RL = 0

20 • 10 log (V4 / V1); 1 kHz

RL = 0 Ω

RL = 400 Ω

R

L

=

900

Ω

-

2.2

kΩ

1 kHz, RL = 0 to 900 Ω

200 Hz to 3.4 kHz

1 kHz,

1 kHz,

200 Hz - 3.4 kHz

≤ 2% distortion, IL = 20 - 100 mA

Measured with line rectifier

200 Hz - 3.4 kHz, I = 0 - 100 mA,

L

V1= 0 - 50 V

A-weighting, Rel 1Vrms, with cable

0 - 3 km, Ø = 0.4 mm

0 - 5 km, Ø = 0.5 mm,

13.5

17

20.5

1.7//(2.7) note 3

1.5

3

-75

-18.5

-16

-13.5

3

-1

-16.5

-14.5

-14

-12

-11.5

-9.5

5

7

1

38

3(+310)note 3

0.5

0.9

-85

0.3

IL = 20 - 100 mA

R17 = 4k; IDC1 =2 mA

I = 20 - 100 mA

L

IDC = 0 mA

I = 2 mA

DC

VDC = 2.35 V

VM = 0.3 V, 1 kHz

1 kHz

3.4

3.7

4.0

2.1

2.35

2.6

1.95

2.2

2.6

0.1

24.5

26.5

28.5

20

25

30

Unit

V

V

dB

dB

dB

dB

dB

kΩ

kΩ

Vp

V

p

dBPsoph

dB

dB

dB

dB

dB

kΩ

Ω

Vp

V

p

dB A

V

V

V

V

µA

dB

kΩ

Notes

1. Adjustable to both higher and lower values with external components.

2. The dynamic output can be doubled, see applications information.

3. External resistor in the test set up.

4. The DC output voltage is reduced at low line voltage (see page 8).

3

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