參數(shù)資料
型號: AN7259
廠商: Panasonic Corporation
英文描述: 5 AMP MINIATURE POWER RELAY
中文描述: 調(diào)頻收音機中頻放大器電路的汽車
文件頁數(shù): 1/5頁
文件大?。?/td> 72K
代理商: AN7259
ICs for FM/AM Tuner
I
Overview
The AN7259S is an FM–IF/DET IC for car radio/car
stereo and has each function necessary for electronic-
tuner.
I
Features
Quadrature detection system and fewer external parts
Good linearity of control voltage output used for AGC
and separation control, etc.
IF counter output and search output in channel selec-
tion signal as electronic tuning and with IF counter out-
put ON/OFF circuit (SSC)
Adjustment of search band width and search output
center frequency
Soft muting adjusting function
AN7259S
FM-IF Amplifier Circuit for Car Radio
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
FM IF Amp.
V
CONT.
Search
Counter
SSC
FM Det.
Mute
Amp.
GND
V
CC
I
Block Diagram
Unit : mm
0
±
0
1
±
0
0.3
0
0
0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
0
±
0
1
1
±
0
5.4
±
0.3
7.7
±
0.3
20-Lead SOP Package (SOP020-P-0300A)
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