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參數(shù)資料
| 型號： | U2860B-MFPG3 |
| 廠商： | ATMEL CORP |
| 元件分類： | 接收器 |
| 英文描述： | Dual-Channel FM Sound Demodulator for TV Systems |
| 中文描述： | FM, AUDIO DEMODULATOR, PDSO14 |
| 封裝： | SO-14 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 336K |
| 代理商： | U2860B-MFPG3 |
Rev. 4794A–TVVCR–02/04
Features
Two Alignment-free PLL FM Demodulators, Automatic Lock-in on the Received Sound
Carrier Frequency
Mono and Dual Channel Application
Sound IF Inputs Provided for Ceramic Filters
Automatic Mute for Second Sound Channel (Squelch)
Mute Function for Both Sound Channels
5-V Supply Voltage, Low-power Consumption
Few External Components
Description
The U2860B-M is a dual-channel FM sound demodulator realized with Atmel ’s
advanced bipolar process. All TV FM standards, from 4.5 MHz up to 6.5 MHz
(standard M, B/G, I, D/K) can be processed with high performance. The circuit is
alignment-free and has a minimum number of external components. With 5 V supply
voltage, the U2860B-M is suitable for TV, VCR and multimedia applications.
Figure 1.
Block Diagram
Loop
filter 1
VCO 1
Mute
1
3
4
13
11
12
Supply
8
7
C
stab
VCO
offset
10
VCO offset
Loop
filter 2
VCO 1
V
S
Squelch
Squelch (second carrier)
14
Squelch
V
in1
Mute
V
AF1
V
AF2
6
9
R
(optional)
V
in2
Dual-Channel
FM Sound
Demodulator for
TV Systems
U2860B-M
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|---|---|
| U2860B-MFPG3G | 功能描述:電信集成電路 COM.VIDEO (STEREO) FM DEMODULATOR RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| U2860B-MFPY | 功能描述:射頻無線雜項 COM.VIDEO (STEREO) FM DEMODULATOR RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| U2861B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Mono FM Sound Demodulator for TV Systems |
| U2861B-M | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Mono FM Sound Demodulator for TV Systems |
| U2861B-MFPG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Mono FM Sound Demodulator for TV Systems |
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