Datasheet > KKA1238NS

KKA1238NS

更新时间： 2024-11-07 03:48:07

品牌	Logo	应用领域
可天士 - KODENSHI		无线
页数	文件大小	规格书
3页	164K
描述
FM/AM STEREO RADIORECEIVER

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数据手册

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KKA1238NS 数据手册

TECHNICAL DATA

FM/AM STEREO RADIORECEIVER

KKA1238NS

DESCRIPTION

KKA1238NS is a high performance one - chip bipolar ICS designed for FM/AM stereo radios. These include an FM/AM

front end, FM/AM IF amplifier, FM/AM detection output and FM stereo demodulator output. Bipolar silicon monolithic IC.

FEATURES

• Low current consumption

(In FM mode I_D= 11.0 mA, in AM mode 8.5 mA,

V_CC= 6.0V).

• Built - in LED drive circuit for tuning.

• Built - in LED drive circuit for stereo indicator.

• Built - in detune muting circuit for the FM band.

• Few external parts.

ELECTRICAL CHARACTERISTICS(T_A= 25°C)

Symbol

Parameter

Test Conditions

Guaranteed Limits

Unit

Min

Typ

Max

I_D1/D2

AM/FM circuit current

No signal AM/FM

8.5/11

12.0/

15.0

G_V1

V_D1/D3

V_D2

FM front end voltage gain

FM/AM detection output level

FM IF knee level

V_IN1= 40dBmV, 100MHz

V_IN2= 60dBmV, 1660kHz

77.5

138

V_RMS

dBmV

T_HD1/HD2FM/AM detection output

distortion factor

0.3/0.6

2.0

G_V2

G_V3

SEP

VI₁

AM front end voltage gain

AM IF voltage gain

Separation

M/ST switching level by IF

input

dBmV

A₁

FM Mute

Vin5=245mVrms,

MONO,1kHz ATT

12 3

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