PBL38650-2 Просмотр технического описания (PDF) - Ericsson

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производитель

PBL38650-2

Subscriber Line Interface Circuit

Ericsson  

PBL 386 50/2

Parameter

Four-wire to two-wire, g4-2

Four-wire to four-wire, g4-4

Insertion loss

Two-wire to four-wire, G2-4

Four-wire to two-wire, G4-2

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) output

Harmonic distortion

Two-wire to four-wire

Four-wire to two-wire

Battery feed characteristics

Loop current, IL , in the current

limited region, reference A, B & C

Tip open state TIPX current, ILeak

Tip open state RINGX current, ILRTo

Tip open state RINGX voltage, VRTo

Ref

fig Conditions

6 relative to 0 dBm, 1.0 kHz. EL=0 V

0.3 kHz < f < 3.4 kHz

f = 8 kHz, 12 kHz,

16 kHz

6 relative to 0 dBm, 1.0 kHz, EL=0 V

0.3 kHz < f < 3.4 kHz

6 0 dBm, 1.0 kHz, Note 5

V

G = 20 · Log TX ; E = 0

2-4

V

RX

TR

PTG = AGND

6 0 dBm, 1.0 kHz, Note 6

G4-2 = 20 · Log

VTR

ERX

; EL = 0

6 Ref. -10 dBm, 1.0 kHz, Note 7

-40 dBm to +3 dBm

-55 dBm to -40 dBm

6 Ref. -10 dBm, 1.0 kHz,

-40 dBm to +3 dBm

-55 dBm to -40 dBm

C-message weighting, 2 wire

Psophometrical weighting, 2 wire

C-message weighting, 4 wire

Psophometrical weighting, 4 wire

Note 8

6 0 dBm

0.3 kHz < f < 3.4 kHz

13 18mA ≤ IL ≤ 45 mA

7 S = closed; R = 7 kΩ, Note 10

RLRTo = 0Ω, VBat = -48V

RLRTo = 2.5 kΩ, VBat = -48V

ILRTo < 23 mA

Min

Typ

Max

Unit

-0.2

0.1

dB

-1.0

0

dB

-2.0

0

dB

-0.2

0.1

dB

-6.22 -6.02 -5.82 dB

-12.24 -12.04 -11.84 dB

-0.2

0.2

dB

-0.1

0.1

dB

-0.2

0.2

dB

-0.1

0.1

dB

-0.2

0.2

dB

12

dBrnC

-78

dBmp

6

dBrnC

-84

dBmp

-67

-50

dB

-67

-50

dB

0.92 IL IL

1.08 IL mA

-150

µA

IL

mA

17

mA

VBat +6

V

Figure 6.

Frequency response, insertion loss,

gain tracking.

1

ωC << RL, RL = 600 Ω

R

T

=

60

kΩ,

R

RX

=

60

kΩ

C

TIPX

VTX

RL

VTR

ILDC

PBL 386 50/2

RT

EL

RINGX RSN

RRX

E RX

VTX

5

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