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參數(shù)資料
| 型號： | MT8872P |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | COFDM DEMODULATOR/FEC |
| 中文描述： | COFDM解調(diào)器/前向糾錯 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 252K |
| 代理商： | MT8872P |
MT8872C
AND
MT8872P COFDM D
EMODULATOR
/FEC
P
RODUCT
B
RIEF
C
ONSUMER AND
P
ROFESSIONAL
DVB-T TV R
ECEIVER AND
S
ET
-T
OP
B
OX
A
PPLICATIONS
PB-00041
Rev 1.0 — May 2002
Page 2 of 2
Down
converter
GAIN
SAW
GAIN
RF
COFDM
MPEG2
Transport Stream
IF-AGC
ADC
1 IF
@
~36 MHz
st
MT8872C
61 MHz
RF-AGC
Worldwide Headquarters
Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA
Tel: +1-972-673-1600, Fax: +1-972-673-1602, E-mail:
sales@microtune.com, Web site:
www.microtune.com
For a detailed list of design centers, sales offices, and sales representatives, visit our Web site at
www.microtune.com
.
The information in this document is believed to be accurate and reliable. Microtune assumes no responsibility for any consequences arising from the use of this information, nor from any infringement of patents
or the rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or other rights of Microtune. The information in this publication replaces and
inherent and procedural hazards. Microtune assumes no responsibility for applications assistance or customer product design.
The devices described in this document are not authorized for use in medical, life-support equipment, or any other application involving a potential risk of severe property or environmental damage, personal
injury, or death without prior express written approval of Microtune. Any such use is understood to be entirely at the user’s risk.
Microtune, MicroTuner, MicroStreamer, VideoCaster, and the Microtune logo are trademarks of Microtune, Inc. All other trademarks belong to their respective companies.
Microtune’s products are protected by one or more of the following U.S. patents: 5,625,325; 5,648,744; 5,717,730; 5,737,035; 5,739,730; 5,805,988; 5,847,612; 6,100,761; 6,104,242; 6,144,402; 6,163,684;
6,169,569; 6,177,964; 6,218,899 and additional patents pending or filed.
Entire contents Copyright 2002 Microtune, Inc.
s
SPECIFICATIONS
AGC frequency: 0 to 1 MHz
Digital timing recovery accuracy:
<1 ppm
Typical supply voltage: 2.5V
Nominal power dissipation: 0.8W
Input signal: differential baseband or
1st IF COFDM
Output signal: MPEG2 transport
stream
Control: via serial bus I
2
C compatible
External clock frequency: 55 MHz,
61 MHz for 1st IF
Package: quad flat pack, 80 pins
(144 pins for SP8871P)
Ambient operating temperature: 0° to
+70°C
IEEE 1149.1 boundary scan
PERFORMANCE
Co-channel carrier to interferer ratio:
<-12 dB
AWGN performance: <1 dB loss
Echo performance: 0 dB
Block Diagram of MT8872C COFDM Demodulator/FEC
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