PBL 3852
Electrical Characteristics
At TAmb = + 25° C. No cable and no line rectifier unless otherwise specified.
Ref.
fig.
Parameter
Conditions
Min
Typ
Max
Unit
Line voltage, VL note 1
2
2
IL = 15 mA
IL = 100 mA
3.3
11
3.7
13
4.1
15
V
V
Transmitting gain, note 1
20 •10log (V2 / V3); 1 kHz
RL = 0
RL = 400Ω
RL = 900Ω - 2200Ω
1 kHz, RL = 0 to 900 ohm
2
2
2
2
41
43.5
46
3
43
45.5
48
5
45
dB
47.5
50
7
dB
dB
dB
Transmitting range of
regulation note 1
Transmitting frequency
response
2
200 Hz to 3.4 kHz relative to 1 kHz
-1
1
dB
Receiving gain, note 1
20 • 10log (V4 / V1); 1 kHz
RL = 0Ω
RL = 400Ω
RL = 900Ω - 2200Ω
1 kHz, RL = 0 to 900Ω
200 Hz to 3.4 kHz relative to 1kHz
1 kHz,
2
2
2
2
-13
-10.5
-8
3
-1
-11
-8.5
-6
-9
-6.5
-4
7
dB
dB
dB
dB
dB
kΩ
Receiving range of regulation
Receiving frequency response 2
Microphone input impedance
pin 12 (14),13 (15)
Transmitter input impedance
pin 3
5
1
2
2
2
1.7
17
1 kHz
kΩ
Transmitter dynamic output
200 Hz - 3.4 kHz
1.5
Vp
≤ 2% distortion, IL = 20 - 100 mA
Transmitter max. output
2
200 Hz - 3.4 kHz
3
Vp
IL = 0 - 100 mA, V3 = 0 - 1 V
1 kHz, RL = 0Ω, note 4
Receiver output impedance
Receiver dynamic output
2
2
32(+150)
0.5
Ω
200 Hz - 3.4 kHz
Vp
≤ 2% distortion, IL = 20 - 100 mA
Measured with line rectifier
200 Hz - 3.4 kHz, IL = 0 - 100 mA
V1 = 0 - 50 V
Receiver max. output
3
0.9
Vp
Transmitter output noise
Receiver output noise
2
2
Psoph-weighting, Rel 1 Vrms, RL = 0
A-weighting, Rel 1Vrms, with cable
-75
-80
dB Psoph
dB A
0 - 5 km, ø = 0.5 mm
0 - 3 km, ø = 0.4 mm
note 3
Mute input current
DC1-supply voltage
2
2
20
1.75
µA
V
IL = (20 - 100) mA
note 2
2.0
3.7
2.25
4.0
I
DC1 = 1 mA
DC2-supply voltaget (clamp)
2
IL = 20-100 mA see text, IDC2 = 1.9 mA note 2
at zero signal in the receiver amplifier
3.4
V
Notes
1. Adjustable to both higher and lower values with external components.
2. Lowest line current dependent of the set DC-characteristic. See page 14, fig 8.
3. Psofometric weighting will give (6-7) dB lower value. (-dB)
4. 150 ohm resistor in test set up.
3
ERICSSON [ ERICSSON ]
