- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374302 > KA22427C (SAMSUNG SEMICONDUCTOR CO. LTD.) AM/FM 1 Chip Radio(AM/FM單片收音電路) PDF資料下載
參數(shù)資料
| 型號： | KA22427C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | AM/FM 1 Chip Radio(AM/FM單片收音電路) |
| 中文描述： | 調(diào)幅/調(diào)頻收音機芯片1（調(diào)幅/調(diào)頻單片收音電路） |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 151K |
| 代理商： | KA22427C |
KA22427C
AM/FM 1 CHIP RADIO
APPLICATION INFORMATION
- EXTERNAL COMPONENTS
Influence
Smaller Than Typ
Greater Than Typ
AGC Distortion
Increase, High Gain
R5
AM Gain
Control
47K
(33K ~
∞
)
Low AM Gain
R7
FM Detector
Damper
4.7K
Low Detector Output,
Stable IF Gain,
Low FM Gain
Low FM Gain
Sharp IF AMP Curve
R8
FM Gain
Adjust
470
High Gain, but Noise
Increase
High IF Gain,
S/N Ratio Degrade
No Influence
C2
IF Bypass
0.022
μ
F
Should Not Be Less Than
0.005
μ
F
Removal May Cause IF
Oscillation
C4
IF Filter
0.022
μ
F
C7
AM Bypass
0.047
μ
F
Low Gain
Using
Cause FM
Distortion at Small
Signal
Poor FM Frequency
Response
Bass Boost
Affects De-emphasis
Curve
Poor Response
over
1
μ
F
Will
C9
Detector
Filter
Audio
Coupling
0.01
μ
F
Unstable IF AMP
Oscillation
Lower Sensitivity,
Poor Low Frequency
Response
Audio Oscillation
C10
0.022
μ
F
C11
Audio Input
High-Cut
Ripple Filter
0.001
μ
F
C12
220
μ
F
Poor Frequency Response
& Low Gain
Poor Low Frequency
Response
Poor AC Hum
Improve AC Hum
C13
Audio Output
Coupling
Power Line
Filter
FM Detector
Phase-Shift
High Freq.
(IF) Bypass
AN AGC Time
Constant and
High Frequency
(IF) Bypass
470
μ
F
Can Achieve Optimum
Output Power
Improve AC Hum
C14
470
μ
F
C15
10pF
Narrow IF Bandwidth
Wide IF Bandwidth
C16
0.047
μ
F
Removal Will Cause
FM Oscillation
Not Recommend to
Charge
No Influence
C17
0.047
μ
F
Parts
Number
Purpose
Typical
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KA22429 | FM 1 CHIP RADIO |
| KA22429D | FM 1 CHIP RADIO |
| KA22497 | FM Front End(FM前端) |
| KA22497D | FM Front End(FM前端) |
| KA224 | Quad Operational Amplifier(四通道運算放大器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA22429 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM 1 CHIP RADIO |
| KA22429D | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FM 1 CHIP RADIO |
| KA2243 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:LINEAR INTEGRATED CIRCUIT |
| KA2244 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:LINEAR INTEGRATED CIRCUIT |
| KA22441 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:LINEAR INTEGRATED CIRCUIT |
發(fā)布緊急采購，3分鐘左右您將得到回復。