參數(shù)資料
型號(hào)： SL1925
廠商： Mitel Networks Corporation
英文描述： Satellite Zero IF QPSK Tuner IC(用于衛(wèi)星調(diào)諧器的零中頻正交相移變換調(diào)制（QPSK）芯片)
中文描述： 衛(wèi)星零中頻調(diào)制調(diào)諧器集成電路（用于衛(wèi)星調(diào)諧器的零中頻正交相移變換調(diào)制（QPSK調(diào)制）芯片）
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 339K
代理商： SL1925
SL1925
Satellite Zero IF QPSK Tuner IC
Preliminary Information
Description
The SL1925 is a wideband quadrature converter operating
from 950 to 2150 MHz, intended primarily for application
in satellite tuners.
The device contains all elements necessary, with the
exception of local oscillator sustaining network, to fabricate
a high performance I(n-phase) & Q(uadrature) phase
splitter and downconverter optimised for systems
containing RF AGC gain control. The device allows for
systems containing higher power analog interferers. For
most applications RF tunable filtering is not essential.
The SL1925 is optimised for use with a low phase noise
synthesiser, a range of which are available from Mitel
Semiconductor. This will form a complete front end tuner
function for digital satellite receiver systems utilising DSP
derotation recovery.
The device includes a very high signal handling front end
with AGC, this provides for gain control, reference local
oscillator with output buffer, phase splitter with I and Q
mixers and baseband buffer amplifiers with external
interstage filtering.
Features
G
Single chip system for direct quadrature down
conversion from L-band
High signal handling capability for minimum
external component count application, requires
external RF AGC of 30dB
Compatible with DSS and DVB system
requirements
Excellent gain and phase match up to 30MHz
baseband
High output referred linearity for low distortion and
multi channel application
Fully balanced low radiation design
Integral RF AGC amplifier
Two selectable varactor tuned local oscillators
with buffered output for driving external
synthesiser loop
ESD protection (Normal ESD handling procedures
should be observed)
G
G
G
G
G
G
G
G
Ordering Information
SL1925E/KG/NP2S (Tubes)
SL1925E/KG/NP2T (Tape and Reel)
Applications
G
Satellite receiver systems
G
Data communications systems
DS4955 Issue 3.0
March 2000
相關(guān)PDF資料
PDF描述
SL1935 Single Chip Synthesized Zero IF Tuner(單芯片合成IIC總線(xiàn)控制的零中頻調(diào)諧器)
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SL2017 Full Band Satellite Tuner(應(yīng)用在衛(wèi)星調(diào)諧器方面的完全集成混頻器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SL1935 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Single Chip Synthesized Zero IF Tuner
SL1935D 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Single Chip Synthesized Zero IF Tuner
SL1935D/KG/NP1P 制造商:Microsemi Corporation 功能描述:
SL1935KG 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Single Chip Synthesized Zero IF Tuner
SL1935NP1Q 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Single Chip Synthesized Zero IF Tuner
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