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參數(shù)資料
| 型號： | KKA1238NS |
| 廠商： | KODENSHI CORP. |
| 英文描述： | FM/AM STEREO RADIORECEIVER |
| 中文描述： | FM / AM立體聲RADIORECEIVER |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 170K |
| 代理商： | KKA1238NS |
TECHNICAL DATA
KK
A1238NS
FM/AM STEREO RADIORECEIVER
DESCRIPTION
KK
A1238NS 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
I
D1/D2
AM/FM circuit current
Test Conditions
No signal AM/FM
Guaranteed Limits
Min
Typ
8.5/11
Unit
mA
Max
12.0/
15.0
42
138
31
2.0
G
V1
V
D1/D3
V
D2
T
HD1/HD2
FM front end voltage gain
FM/AM detection output level
FM IF knee level
FM/AM detection output
distortion factor
AM front end voltage gain
AM IF voltage gain
Separation
M/ST switching level by IF
input
FM Mute
V
IN1
= 40dBmV, 100MHz
28
35
35
77.5
25
0.3/0.6
dB
V
RMS
dBmV
%
G
V2
G
V3
SEP
VI
1
V
IN2
= 60dBmV, 1660kHz
19
15
30
38
24
21
40
43
28
29
48
dB
dB
dB
dBmV
A
1
Vin5=245mVrms,
MONO,1kHz ATT
16
23
30
dB
1
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