LA8519M Просмотр технического описания (PDF) - SANYO -> Panasonic

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LA8519M

I/O Switch/Voice Signal-Processing IC for Cordless Telephones

SANYO -> Panasonic 

LA8519M

• Receiver amplifier application circuits

(1) When a dynamic receiver is used (Values shown are for reference purposes only.)

Due to drive capacity considerations,

a 300 Ω resistor must be inserted in series.

300Ω

0.47µF

+ 10µF

330pF

6.2kΩ

38

RV-OUT2

100kΩ

37

36

RV-OUT1

RV-NF

A13126

(2) When a ceramic receiver is used (Values shown are for reference purposes only.)

0.47µF

330pF

6.2kΩ

• Receiver attenuator

38

RV-OUT2

100kΩ

37

36

RV-OUT1

RV-NF

A13127

RV-OUT2

38

RV-OUT1

37

RV-NF

36

ATT

SW4

A13128

Normally, the receiver attenuator is set to –6 dB. It can be set to 0 dB by setting address 7E to the on state with a

serial data transfer.

No. 6471-19/29

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