3

PBL 385 82

Electrical Characteristics

At T

I

Parameter

Ref.fig.

Conditions

Min

Typ

Max

Unit

Line voltage, V

L

2

I

3.3

3.7

4.1

V

2I

11

13

15

V

Transmitting gain

20 •10 log (V

24

25

26

dB

Transmitting frequency

2

200 Hz to 3.4 kHz

-1

1

dB

response

Transmitter dynamic output

2

200 Hz - 3.4 kHz

1.5

V

p

≤ 2% distortion, I

Transmitter maximum output

2

200 Hz - 3.4 kHz

3

V

p

I

Transmitter output noise

2

Psof-weighting, Rel 1 V

-75

dB

Psof

Transmitter input impedance

2

1 kHz

13.5

17

20.5

kohm

pin 3

Receiving gain

20 • 10 log (V

Without gain regulation

2

R

-18.5

-16.5

-14.5

dB

Receiving gain

20 • 10 log (V

With gain regulation

2

R

-18.5

-16.5

-14.5

dB

2R

-16

-14

-12

dB

2R

-13.5

-11.5

-9.5

dB

Receiving range of regulation

2

1 kHz, R

3

5

7

dB

Receiving frequency response

2

200 Hz to 3.4 kHz

-1

1

dB

Receiver output impedance

2

1 kHz, without 310

Ω resistor

3

ohm

Receiver dynamic output

2

200 Hz - 3.4 kH

0.5

V

p

note 1

≤ 2% distortion, I

Receiver maximum output

3

Measured with line rectifier

0.9

V

p

200 Hz - 3.4 kHz,

I

Receiver output noise

2

A-weighting, Rel 1V

-85

dB

A

0 - 5 km, Ø = 0.5 mm,

0 - 3 km, Ø = 0.3 mm

Notes:

1. The dynamic output can be nearly doubled if the 310

Ω series resistor is omitted.