PBL 385 41
Electrical Characterisics
At T
Amb
= + 25° C. No cable and line rectifier unless otherwise specified.
Parameter
Line voltage, V
L
Transmitting gain, note 1
2
2
2
2
Ref.
fig.
2
2
Conditions
I
L
= 15 mA
I
L
= 100 mA
20 •
10
log (V
2
/ V
3
); 1 kHz
R
L
= 0
R
L
= 400
Ω
R
L
= 900
Ω
- 2.2 kΩ
1 kHz, R
L
= 0 to 900
Ω
200 Hz to 3.4 kHz
1 kHz
200 Hz - 3.4 kHz
≤
2% distortion, I
L
= 20 - 100 mA
200 Hz - 3.4 kHz
I
L
= 0 - 100 mA, V
3
= 0 - 1 V
Psoph-weighting, Rel 1 V
rms
, R
L
= 0
20 •
10
log (V
4
/ V
1
); 1 kHz
R
L
= 0
Ω
R
L
= 400
Ω
R
L
= 900
Ω
- 2.2 kΩ
1 kHz, R
L
= 0 to 900
Ω
200 Hz to 3.4 kHz
1 kHz,
1 kHz,
200 Hz - 3.4 kHz
≤
2% distortion, I
L
= 20 - 100 mA
Measured with line rectifier
200 Hz - 3.4 kHz, I
L
= 0 - 100 mA,
V
1
= 0 - 50 V
A-weighting, Rel 1V
rms
, with cable
0 - 3 km, Ø = 0.4 mm
0 - 5 km, Ø = 0.5 mm,
Min
3.3
11
41
43.5
46
3
-1
13.5
Typ
3.7
13
43
45.5
48
5
Max
4.1
15
45
47.5
50
7
1
17
20.5
1.7//(2.7) note 3
1.5
3
-75
-18.5
-16
-13.5
3
-1
-16.5
-14
-11.5
5
-14.5
-12
-9.5
7
1
Unit
V
V
dB
dB
dB
dB
dB
kΩ
kΩ
V
p
V
p
dB
Psoph
dB
dB
dB
dB
dB
kΩ
Ω
V
p
V
p
Transmitting range of
regulation
Transmitting frequency
2
response
Transmitter input impedance, pin 3 2
Microphone input impedance
2
Transmitter dynamic output
2
Transmitter max output
Transmitter output noise
Receiving gain, note 1
2
2
2
2
2
2
2
2
2
2
3
Receiving range of regulation
Receiving frequency response
Receiver input impedance
Receiver output impedance
Receiver dynamic output
note 2
Receiver max output
38
3(+310)note 3
0.5
0.9
Receiver output noise
2
-85
dB
A
Mute input voltage
at mute (active low)
DC
1
-supply voltage
Pin 9
DC
2
-supply voltage
Pin 8
DC-output pin 8 input
leakage current (no supply)
DTMF transmitting gain
DTMF input impedance
2
2
2
I
L
= 20 - 100 mA
R
17
= 4k; I
DC1
=2 mA
I
L
= 20 - 100 mA
I
DC
= 0 mA
I
DC
= 2 mA
V
DC
= 2.35 V
V
M
= 0.3 V, 1 kHz
1 kHz
0.3
V
3.4
2.1
1.95
3.7
2.35
2.2
0.1
26.5
25
4.0
2.6
2.6
V
V
V
µA
dB
kΩ
4
2
2
24.5
20
28.5
30
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
ERICSSON [ ERICSSON ]
