PBL3766 Просмотр технического описания (PDF) - Ericsson
Номер в каталоге
Компоненты Описание
Список матч
PBL3766 Datasheet PDF : 18 Pages
| |||
PBL 3766
Parameter
Gain tracking
Two-wire to four-wire
Four-wire to two-wire
Noise
Idle channel noise at two-wire
(TIPX-RINGX) or four-wire (VTX) port
Ref
Fig. Conditions
6 Ref. -10 dBm, 1.0 kHz, Note 7
-40 dBm to +7 dBm
-55 dBm to -40 dBm
6 Ref. -10 dBm, 1.0 kHz, Note 8
-40 dBm to +7 dBm
-55 dBm to -40 dBm
Note 9
Psophometrical weighting
C-message weighting
Min
Typ
Max
Unit
-0.15
-0.15
±0.03 +0.15 dB
±0.03
dB
±0.03 +0.15 dB
±0.03
dB
-83
-78
dBmp
7
12
dBrnC
Harmonic distortion
Two-wire to four-wire
Four-wire to two-wire
Battery feed characteristics
Loop current in constant current region, IL
Stand-by state loop current, IL,
tolerance range
Loop current detector
On-hook to off-hook threshold, ILThOff
Off-hook to on-hook threshold, ILThOn
Detector threshold hysteresis, ∂ILTh
Loop current detector conversion factor
on-hook to off-hook, K
LThOff
Loop current detector conversion factor
off-hook to on-hook, KLThOn
Ring trip detector
Offset voltage, ∆VDTR
Input bias current, IDT
Input common mode range, V
DT
Ring relay driver
On-state voltage, VRRly
Off state leakage current, IRRly
Figure 6. Frequency response, insertion
loss, gain tracking.
1
ωC << RL, RL = 600 ohms,
RT = 600 kohms, RRX = 300 kohms
0.3 kHz ≤ f ≤ 3.4 kHz
-65
0 dBm, 1.0 kHz test signal
Active state, C2, C1 = 1, 0
2500
IL = RDC + 41700
RDC in ohms
Stand-by state, C2, C1 = 1, 1
V -3
IL = R
Bat
+ 1800
L
VBat tol. ±5%, TAmb = 25 °C
0.85 · IL IL
0.75·IL IL
RD = ∞, Note 10
RD = ∞, Note 10
1 1
ILThOff = KLThOff· RD + 62500
Note 11
ILThOn = KLThOn·
1
RD +
1
62500
Note 11
8.0
7.3
0.7
375
500
455
Source resistance, RS = 0
VBat < VDT < 0 V
-25
-300
V +1
Bat
-100
IRRly = 25 mA
VBat < VRRly < 0
C
RL
V TR
I Ldc
EL
-0.5
TIPX
27/21
VTX
19/14
PBL 3766
RINGX
28/22
RSN
16/12
-0.2
RT
RRX
-54
dB
1.15 · IL A
1.25·IL A
mA
mA
mA
660
V
V
25
mV
nA
-2
V
V
10
µA
E RX
V TX
4-5
Share Link: 