TDA2549中文資料飛利浦?jǐn)?shù)據(jù)手冊PDF規(guī)格書
TDA2549規(guī)格書詳情
GENERAL DESCRIPTION
The TDA2549 is a complete i.f. circuit with a.f.c., a.g.c., demodulation and video preamplification facilities for multistandard television receivers. It is capable of handling positively and negatively modulated video signals in both colour and black/white receivers.
Features
? Gain-controlled wide-band amplifier providing complete i.f. gain
? Synchronous demodulator for positive and negative modulation
? Video preamplifier with noise protection for negative modulation
? Auxiliary video input and output (75 ?)
? Video switch to select between auxiliary video input signal and demodulated video signal
? A.F.C. circuit with on/off switch and inverter switch
? A.G.C. circuit for positive modulation (mean level) and negative modulation (noise gate)
? A.G.C. output for controlling MOSFET tuners
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
PHI |
25+ |
DIP-18 |
65428 |
百分百原裝現(xiàn)貨 實單必成 |
詢價 | ||
菲利普 |
1926+ |
DIP |
6852 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | ||
PHI |
2022+ |
DIP |
30000 |
進口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價 | ||
PHI |
23+ |
DIP24 |
4 |
房間現(xiàn)貨 |
詢價 | ||
PHI |
25+ |
NA |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
PHI |
23+ |
DIP |
12300 |
詢價 | |||
PHI |
24+ |
DIP24 |
3629 |
原裝優(yōu)勢!房間現(xiàn)貨!歡迎來電! |
詢價 | ||
PHI |
25+23+ |
DIP-18 |
7394 |
絕對原裝正品全新進口深圳現(xiàn)貨 |
詢價 | ||
PHI |
NA |
8560 |
一級代理 原裝正品假一罰十價格優(yōu)勢長期供貨 |
詢價 | |||
PHI |
22+ |
DIP-24 |
3000 |
原裝正品,支持實單 |
詢價 |
