PBL386212QNT Просмотр технического описания (PDF) - Ericsson

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производитель

PBL386212QNT

Subscriber Line Interface Circuit

Ericsson  

PBL 386 21/2

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

Constant loop current, ILProg

ILProg @ 30 mA

ILProg @ 18 mA

Open circuit state loop current, I LOC

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

G2-4 = 20 • Log

VTX

VTR

; ERX = 0

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 +0 dBm

-55 dBm to -40 dBm

6 Ref. -10 dBm, 1.0 kHz,

-40 dBm to +0 dBm

-55 dBm to -40 dBm

C-message weighting

Psophometrical weighting

Note 8

6 0 dBm

0.3 kHz < f < 3.4 kHz

12

ILProg

=

1

000

RLC

- 4.0 (mA)

12

ILProg

=

1

000

RLC

- 4.2 (mA)

12

ILProg

=

1 000

RLC

- 3.9 (mA)

RLC in kΩ

RL = 0Ω

Min

Typ

-0.2

-1.0

-2.0

-0.2

-0.2

-6.22

-6.02

-0.2

-0.1

-0.2

-0.1

-0.2

-67

-67

0.92 ILProg ILProg

0.95 ILProg ILProg

0.94 ILProg ILProg

-100

0

Max

Unit

0.1

dB

0

dB

0

dB

0.1

dB

0.2

dB

-5.82

dB

0.2

dB

0.1

dB

0.2

dB

0.1

dB

0.2

dB

12

dBrnC

-78

dBmp

-50

dB

-50

dB

1.08 ILProg mA

1.05 ILProg mA

1.06 ILProg mA

100

µA

Figure 6.

Frequency response, insertion loss,

gain tracking.

1 << RL, RL = 600 Ω

ωC

RT = 120 kΩ, RRX = 60 kΩ

C

TIPX

VTX

RL

VTR

ILDC

PBL 386 21/2

RT

EL

RINGX RSN

RRX

E RX

VTX

5

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