PBL38772/1 데이터 시트보기 (PDF) - Ericsson

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PBL38772/1

Subscriber Line Interface Circuit (SLIC)

Ericsson  

Parameter

Frequency response

Two-wire to four-wire, g2-4

Four-wire to two-wire, g4-2

Four-wire to four-wire, g4-4

Insertion loss

Two-wire to four-wire, G2-4

G2-4 = 20 × Log

VTX

VTR

,ERX = 0

Four-wire to two-wire, G4-2

G4-2 = 20 × Log

VTR

ERX

,EL = 0

Gain tracking

Two-wire to four-wire RLDC ≤ 2kΩ

Four-wire to two-wire RLDC ≤ 2kΩ

Noise

Idle channel noise at two-wire port

(TIPX-RINGX)

Harmonic distortion

Two-wire to four-wire

Four-wire to two-wire

Battery feed characteristics

Constant loop current, ILConst

Loop current detector

Programmable threshold, ILTh

Ref

fig Conditions

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

0.3 kHz < f < 3.4 kHz

f = 8.0 kHz, 12 kHz, 16 kHz

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

0.3 kHz < f < 3.4 kHz

f = 8 kHz, 12 kHz,

16 kHz

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

0.3 kHz < f < 3.4 kHz

6 0 dBm, 1.0 kHz, Note 5

6 0 dBm, 1.0 kHz, Notes 5, 6

PBL 387 72

Min

Typ

Max

Unit

-0.15

0.15

dB

-0.5

-0.1

0.1

dB

-0.15

0.15

dB

-1.0

-0.2

0

dB

-1.0

-0.3

0

dB

-0.15

0.15

dB

-6.22

-6.02 -5.82

dB

-0.2

0.2

dB

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, Note 7

-40 dBm to +3 dBm

-55 dBm to -40 dBm

C-message weighting

Psophometrical weighting

Note 8

6 0 dBm, 1.0 kHz test signal

0.3 kHz < f < 3.4 kHz

RLC

=

500

ILProg

-

10.4×ln(32×ILProg)

ILProg

18 < ILProg < 30 mA

ILTh

=

500

RLD

, ILTh > 10 mA

-0.1

0.1

dB

-0.2

0.2

dB

-0.1

0.1

dB

-0.2

0.2

dB

7

12

dBrnC

-83

-78

dBmp

-50

dB

-50

dB

0.94×ILProg

ILProg 1.06×ILProg

mA

0.9×ILTh

ILTh

1.1×ILTh

mA

C

TIPX

VTX

RL

VTR

ILDC

PBL 387 72

RT

EL

RINGX RSN

RRX

1

ωC

<<

RL

,

RL

=

600Ω

E RX

VTX RT = 120kΩ,

RRX = 120kΩ

Figure 6. Frequency response, insertion loss, gain tracking.

EN/LZT 146 136 R1A © Ericsson Microelectronics, December 2001

5

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