PBL3852 查看數據表（PDF） - Ericsson
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PBL3852 Datasheet PDF : 24 Pages
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PBL 3852
Electrical Characteristics
At
T
Amb
=
+
25°
C.
No
cable
and
no
line
rectifier
unless
otherwise
specified.
Parameter
Ref.
fig.
Conditions
Line voltage, VL note 1
2
2
Transmitting gain, note 1
2
2
2
Transmitting range of
2
regulation note 1
Transmitting frequency
2
response
Receiving gain, note 1
2
2
2
Receiving range of regulation 2
Receiving frequency response 2
Microphone input impedance 2
pin 12 (14),13 (15)
Transmitter input impedance 2
pin 3
Transmitter dynamic output 2
Transmitter max. output
2
Receiver output impedance 2
Receiver dynamic output
2
Receiver max. output
3
Transmitter output noise
2
Receiver output noise
2
Mute input current
2
DC1-supply voltage
2
DC2-supply voltaget (clamp) 2
IL = 15 mA
IL = 100 mA
20 •10log (V2 / V3); 1 kHz
RL = 0
R
L
=
400Ω
RL = 900Ω - 2200Ω
1 kHz, RL = 0 to 900 ohm
200 Hz to 3.4 kHz relative to 1 kHz
20 • 10log (V / V ); 1 kHz
41
R
L
=
0Ω
RL = 400Ω
RL = 900Ω - 2200Ω
1 kHz, RL = 0 to 900Ω
200 Hz to 3.4 kHz relative to 1kHz
1 kHz,
1 kHz
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
200 Hz - 3.4 kHz
IL = 0 - 100 mA, V3 = 0 - 1 V
1 kHz, RL = 0Ω, note 4
200 Hz - 3.4 kHz
≤ 2% distortion, IL = 20 - 100 mA
Measured with line rectifier
200 Hz - 3.4 kHz, IL = 0 - 100 mA
V = 0 - 50 V
1
Psoph-weighting, Rel 1 V , R = 0
rms L
A-weighting, Rel 1Vrms, with cable
0 - 5 km, ø = 0.5 mm
note 3
0 - 3 km, ø = 0.4 mm
IL = (20 - 100) mA
note 2
I = 1 mA
DC1
IL = 20-100 mA see text, IDC2 = 1.9 mA
at zero signal in the receiver amplifier
note 2
Min
3.3
11
41
43.5
46
3
-1
-13
-10.5
-8
3
-1
20
1.75
3.4
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.
Typ
3.7
13
43
45.5
48
5
Max
4.1
15
45
47.5
50
7
1
-11
-9
-8.5
-6.5
-6
-4
5
7
1
1.7
17
1.5
3
32(+150)
0.5
0.9
-75
-80
2.0
2.25
3.7
4.0
Unit
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
Vp
Vp
Ω
Vp
Vp
dB
Psoph
dB A
µA
V
V
3
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