SC1088 データシートの表示（PDF） - Silan Microelectronics

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SC1088

FM RECEIVER CIRCUIT FOR BATTERY SUPPLY

Silan Microelectronics 

Silan

Semiconductors

SC1088

PIN DESCRIPTIONS

Pin No. Symbol

Description

1

MUTE

Mute output

2

VOAF

Audio frequency output

signal

3

LOOP

AF loop filter

4

Vp

Supply voltage

5

OSC

Oscillator resonat circuit

6

IF FB

IF feedback

7

CLP1

Low-pass capacitor of 1dB

amplifier

8

VOIF

IF output to external coupling

capacitor(high-pass)

Pin No.

9

10

11

12

13

14

15

Symbol

ViIF

CLP2

VIRF

VIRF

CLIM

GND

CAP

16

TUNE

Description

IF input to limiter amplifier

Low-pass capacitor of IF

limiter amplifier

Radio frequency input

Radio frequency input

Limiter offset voltage

capacitor

Ground

All-pass filter capacitor.input

for search tuning

Electrical tuning/AFC output

20

VOAF

(dB)

0

2

2

-20

1

1

-40

-60

-80

-6

10

1: Mute ON

2: Mute OFF

S+N

Noise

-5

-4

10

10

Fig. 2 Input sensitivity

-3

-2

10

10

EMF (V)

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

4

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