參數(shù)資料
型號: AN7243S
廠商: PANASONIC CORP
元件分類: 消費家電
英文描述: FM Front-end Circuit for Car Radio
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO14
封裝: 0.225 INCH, PLASTIC, SOP-14
文件頁數(shù): 7/7頁
文件大?。?/td> 81K
代理商: AN7243S
ICs for FM/AM Tuner
AN7243S
I
Pin Descriptions (Cont.)
Equivalent Circuit
Description
Pin No.
Pin Name
Typ. Waveform
13
Mix.Output
Input signal from RF Amp.
12
PIN Diode
Driver Output
Drive PIN diode for input attenuate
of RF-Amp.
Determine drive current by Pin12
external resistance.
14
GND
Main circuit GND
7.2V
.0V
RF
12
V
CC
13
2.2k
2.2k
Note) Typical waveform frequency is the value when tuning receiving frequency 98.0 MHz.
I
Supplementary Explanation
AGC
AGC used at the AN7243S uses mixer output (IFT primary side) signal and controls AGC output.
+
RF
Amp.
Mixer
AGC
Amp.
AGC
Det.
IFT
IF – Amp.
R
Adj.
(S
AGC
variable)
12
6
V
5
, V
12
–V
IN (RF)
8
7
6
5
4
3
2
1
0
V
CC
= 8V
V
IN (RF)
(dB
μ
)
A
S
AGC
Variable
V
5
V
12
相關PDF資料
PDF描述
AN7254 FM FRONT-END CIRCUIT FOR CAR RADIO
AN7261FBQ CONNECTOR ACCESSORY
AN7273 AM Tuner, FM/AM IF Amplifier Circuit
AN7273S AM Tuner, FM/AM IF Amplifier Circuit
AN7289NFBQ FM-FE+AM IC for car radio
相關代理商/技術參數(shù)
參數(shù)描述
AN7244S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit
AN7246S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit
AN725 制造商:SILABS 制造商全稱:SILABS 功能描述:ADVANCED LOW POWER TECHNIQUES FOR SiM3L1XX DEVICES
AN7250S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AM Receiver Circuit
AN7254 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:FM FRONT-END CIRCUIT FOR CAR RADIO