PBL38573 Просмотр технического описания (PDF) - Ericsson
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PBL38573 Datasheet PDF : 15 Pages
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PBL 385 73
Electrical Characterisics
At
T
Amb
=
+
25°
C.
No
cable
and
line
rectifier
unless
otherwise
specified.
Parameter
Ref.
fig. Conditions
Min
Typ
Max
Line voltage, VL
Transmitting gain, note 1
No gain regulation
2
IL = 15 mA
2
IL = 100 mA
2
20 •10 log (V2 / V3); 1 kHz
Rg = 20kΩ
3.3
3.7
4.1
11
13
15
41
43
45
Transmitting gain, note 1
With gain regulation
Transmitting range of
regulation
2
20 •10 log (V2 / V3); 1 kHz
RL = 0, RG = ∞
RL = 400 Ω
RL = 900 Ω - 2.2 kΩ
2
1 kHz, R = 0 to
L
900 Ω
41
43
45
43.5
45.5
47.5
46
48
50
3
5
7
Transmitting frequency
2
200 Hz to 3.4 kHz
-1
1
response
Microphone input impedance
2
1.7//(2.7) note 3
Transmitter input impedance
2
1 kHz
13.5
17
20.5
pin 3
Transmitter dynamic output
2
200 Hz - 3.4 kHz
1.5
≤
2%
distortion,
I
L
=
20
-
100
mA
Transmitter max output
2
200 Hz - 3.4 kHz
3
Transmitter output noise
Receiving gain, note 1
No gain regulation
IL = 0 - 100 mA, V3 = 0 - 1 V
2
Psoph-weighting, Rel 1 Vrms, RL = 0
-75
2
20 • 10 log (V4 / V1); 1 kHz
Rg = 20kΩ
-18.5 -16.5
-14.5
Receiving gain, note 1
2
With gain regulation
Receiving range of regulation
2
Receiving frequency response
2
20 • 10 log (V4 / V1); 1 kHz
RL = 0, RG = ∞
R
L
=
400
Ω
R
L
=
900
Ω
-
2.2
kΩ
1 kHz, RL = 0 to 900 Ω
200 Hz to 3.4 kHz
-18.5
-16
-13.5
3
-1
-16.5
-14
-11.5
5
-14.5
-12
-9.5
7
1
Receiver input impedance
2
1 kHz,
38
Receiver output impedance
2
1 kHz,
3(+310)note 3
Receiver dynamic output
2
200 Hz - 3.4 kHz
0.5
note 2
≤ 2% distortion, IL = 20 - 100 mA
Receiver max. output
3
Measured with line rectifier
0.9
200 Hz - 3.4 kHz, IL = 0 - 100 mA,
V1= 0 - 50 V
Receiver output noise
2
A-weighting, Rel 1Vrms, with cable
-85
0 - 3 km, Ø = 0.4 mm
0 - 5 km, Ø = 0.5 mm,
Mute input voltage
2
0.3
at mute (active low)
DC-supply voltage, note 4
Pin 7
DC-supply voltage, pin 7
2
IL = 20 - 100 mA
I = 0 mA
DC
IDC = 2 mA
4
VDC = 2.35 V
2.1
2.35
2.6
1.95
2.2
2.6
0.1
leakage current (no supply)
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 fig. 8).
Unit
V
V
dB
dB
dB
dB
dB
dB
kΩ
kΩ
Vp
V
p
dBPsoph
dB
dB
dB
dB
dB
dB
kΩ
Ω
Vp
Vp
dB A
V
V
V
µA
3
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