CXA2570 Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXA2570

RF Matrix Amplifier

Sony Semiconductor 

Pin

No.

Symbol

I/O

17 VCC

—

18 RFG

I

19 BST

I

Equivalent circuit

—

20k

18

VC

100µA

50µA

20k

19

VC

CXA2570N

Description

Power supply.

Sets the RFAC low-frequency

gain.

Input for adjusting the

equalizer circuit boost amount.

20 VFC

I

21 RFC

I

20k

20

VC

100µA

124

21

1.0V

Input for adjusting the

equalizer circuit boost

frequency with the control

voltage.

Input for adjusting the

equalizer circuit boost

frequency with external

resistance.

22 VC

O

23 RFDC

O

24 RFDCI

I

150k

25

22

150k

1.5k

124

24

1mA

VC

23

124

–6–

(VCC + GND)/2 voltage output.

RFDC amplifier output. This

pin serves as the eye pattern

check point.

RFDC amplifier gain

adjustment. The gain is

adjusted by the external

resistance value connected

between this pin and Pin 23.

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