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參數(shù)資料
| 型號： | U6101B |
| 英文描述： | IF System and I/Q Demodulator for Digital Satellite TV Transmissions |
| 中文描述： | 如果系統(tǒng)和I / Q數(shù)字衛(wèi)星電視信號解調(diào)器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 249K |
| 代理商： | U6101B |
U6101B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 14-May-97
1 (7)
IF System and I/Q Demodulator for Digital Satellite
TV Transmissions
Description
The U6101B is a monolithic integrated circuit in
TEMIC’s UHF 5 technology for
S
atellite
D
igital
V
ideo
B
roadcasting (DVBS) and other digital direct satellite
service applications. The circuit operates in a wide
frequency range and in a large input level range.
Implemented are two orthogonal mixer stages (precise
phase-matched by a control loop), a gain-controlled IF
amplifier of high input sensitivity with two switchable
isolated inputs, and an AGC-system for tuner and IF level
control. Alternatively the output level may be controlled
automatically, e.g., via the channel decoder AGC signal
output.
The local oscillator operates at IF input frequency. The
oscillator signal is internally doubled and divided again
to generate the orthogonal mixer driving signals.
Features
Frequency range from 390 to 520 MHz
Two unbalanced switchable inputs
High I/Q phase accuracy, based on TEMIC’s patented
0
°
/90
°
control loop circuit
Input impedance 50
, gain independent
High input sensitivity
AGC control range –35 dB
Internal AGC detector
Additionally external gain control and output level
setting possible
Benefits
Two switchable IF-inputs to connect a combined
SAW filter
Oscillator for SAW or LC tank circuit
Adjustable tuner AGC control
Low impedance output driver
Balanced prescaler output
Output signal level adjustable or fixed at typical or
minimum data sheet value by pin programming
Low power consumption, 5-V supply voltage
Ordering Information
Extended Type Number
U6101B-AFSG3
Package
SSO20
Remarks
Taped and reeled
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| U6101B-AFSG3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Video Receiver Circuit |
| U6102B-AFSG3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TV Video Receiver Circuit |
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