PBL 385 71
Electrical Characterisics
At TAmb = + 25° C. No cable and line rectifier unless otherwise specified.
Ref.
Parameter
fig.
Conditions
Min
Typ
Max
Unit
Line voltage, VL
2
2
2
IL = 15 mA
IL = 100 mA
3.3
11
3.7
13
4.1
15
V
V
Transmitting gain, note 1
No gain regulation, low mode
Transmitting gain, note 1
With gain regulation
20 •10 log (V2 / V3); 1 kHz
Rg = 20kΩ
41
43
45
dB
2
20 •10 log (V2 / V3); 1 kHz
RL = 0, RG = ∞
41
43.5
46
3
43
45.5
48
5
45
47.5
50
7
dB
dB
dB
dB
RL = 400 Ω
RL = 900 Ω - 2.2 kΩ
1 kHz, RL = 0 to 900 Ω
Transmitting range of
regulation
Transmitting frequency
response
Microphone input impedance
Transmitter input impedance
pin 3
2
2
200 Hz to 3.4 kHz
1 kHz
-1
1
dB
2
2
1.7//(2.7) note 3
kΩ
kΩ
13.5
17
1.5
3
20.5
Transmitter dynamic output
2
2
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
200 Hz - 3.4 kHz
Vp
Transmitter max output
Vp
IL = 0 - 100 mA, V3 = 0 - 1 V
Psoph-weighting, Rel 1 Vrms, RL = 0
20 • 10 log (V4 / V1); 1 kHz
Rg ™ = 20kΩ
Transmitter output noise
Receiving gain, note 1
No gain regulation, low mode
Receiving gain, note 1
With gain regulation
2
2
-75
dBPsoph
dB
-18.5
-18.5
-16
-13.5
3
-16.5
-14.5
2
20 • 10 log (V4 / V1); 1 kHz
RL = 0, RG = ∞
RL = 400 Ω
RL = 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, IL = 0 - 100 mA,
V1= 0 - 50 V
A-weighting, Rel 1Vrms, with cable
0 - 3 km, Ø = 0.4 mm
0 - 5 km, Ø = 0.5 mm,
-16.5
-14
-11.5
5
-14.5
-12
-9.5
7
dB
dB
dB
dB
dB
kΩ
Ω
Receiving range of regulation
Receiving frequency response
Receiver input impedance
Receiver output impedance
Receiver dynamic output
note 2
2
2
2
2
2
-1
1
38
3(+310)note 3
0.5
Vp
Receiver max. output
3
2
2
0.9
-85
Vp
Receiver output noise
dB A
V
Mute input voltage
0.3
at mute (active low) pin 7.
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
ERICSSON [ ERICSSON ]
