PBL38571 查看數據表（PDF） - Ericsson

零件编号

产品描述 (功能)

比赛名单

PBL38571

High current Speech and Line interface Circuit

Ericsson  

PBL 385 71

Electrical Characterisics

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

Parameter

Ref.

fig. Conditions

Min

Typ

Max

Line voltage, VL

Transmitting gain, note 1

No gain regulation, low mode

2

IL = 15 mA

2

IL = 100 mA

2

20 •10 log (V2 / V3); 1 kHz

Rg = 20kΩ

3.3

3.7

4.1

11

13

15

41

43

45

Transmitting gain, note 1

With gain regulation

Transmitting range of

regulation

2

20 •10 log (V2 / V3); 1 kHz

RL = 0, RG = ∞

RL = 400 Ω

RL = 900 Ω - 2.2 kΩ

2

1 kHz, R = 0 to

L

900 Ω

41

43

45

43.5

45.5

47.5

46

48

50

3

5

7

Transmitting frequency

2

200 Hz to 3.4 kHz

-1

1

response

Microphone input impedance

2

1.7//(2.7) note 3

Transmitter input impedance

2

1 kHz

13.5

17

20.5

pin 3

Transmitter dynamic output

2

200 Hz - 3.4 kHz

1.5

≤

2%

distortion,

I

L

=

20

-

100

mA

Transmitter max output

2

200 Hz - 3.4 kHz

3

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

Transmitter output noise

2

Psoph-weighting, Rel 1 Vrms, RL = 0

-75

Receiving gain, note 1

2

20 • 10 log (V / V ); 1 kHz

41

No gain regulation, low mode

Rg ™ = 20kΩ

-18.5 -16.5

-14.5

Receiving gain, note 1

2

With gain regulation

Receiving range of regulation

2

Receiving frequency response

2

20 • 10 log (V4 / V1); 1 kHz

RL = 0, RG = ∞

RL = 400 Ω

RL = 900 Ω - 2.2 kΩ

1

kHz,

R

L

=

0

to

900

Ω

200 Hz to 3.4 kHz

-18.5

-16

-13.5

3

-1

-16.5

-14

-11.5

5

-14.5

-12

-9.5

7

1

Receiver input impedance

2

1 kHz,

38

Receiver output impedance

2

1 kHz,

3(+310)note 3

Receiver dynamic output

2

200 Hz - 3.4 kHz

0.5

note 2

≤

2%

distortion,

I

L

=

20

-

100

mA

Receiver max. output

3

Measured with line rectifier

0.9

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

V1= 0 - 50 V

Receiver output noise

2

A-weighting, Rel 1Vrms, with cable

-85

0 - 3 km, Ø = 0.4 mm

0 - 5 km, Ø = 0.5 mm,

Mute input voltage

2

0.3

at mute (active low) pin 7.

Unit

V

V

dB

dB

dB

dB

dB

dB

kΩ

kΩ

V

p

Vp

dBPsoph

dB

dB

dB

dB

dB

dB

kΩ

Ω

Vp

Vp

dB A

V

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.

3

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