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ISG4042EU-T

更新时间： 2024-02-06 11:43:56
品牌 Logo 应用领域
SIRENZA 调制解调器电视有线电视射频
页数 文件大小 规格书
8页 150K
描述
5V CATV MODEM RF TUNER AND TRANSMITTER

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中文翻译

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ISG4042EU-T 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.7JESD-30 代码：R-XXMA-T16
功能数量：1端子数量：16
最高工作温度：75 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY认证状态：Not Qualified
标称供电电压：5 V表面贴装：NO
电信集成电路类型：TELECOM CIRCUIT温度等级：OTHER
端子形式：THROUGH-HOLE端子位置：UNSPECIFIED
Base Number Matches：1

ISG4042EU-T 数据手册

 浏览型号ISG4042EU-T的Datasheet PDF文件第2页浏览型号ISG4042EU-T的Datasheet PDF文件第3页浏览型号ISG4042EU-T的Datasheet PDF文件第4页浏览型号ISG4042EU-T的Datasheet PDF文件第5页浏览型号ISG4042EU-T的Datasheet PDF文件第6页浏览型号ISG4042EU-T的Datasheet PDF文件第7页 
ISG4042EU-T  
5 V CATV MODEM RF TUNER AND  
TRANSMITTER  
FEATURES  
DESCRIPTION AND APPLICATIONS  
The ISG4042EU-T is an RF tuner/transmitter designed for  
use in EURO DOCSIS cable modem applications. It is a  
complete solution that interfaces directly with QAM Mod/  
Demod IC's. The tuner/transmitter integrates a diplex filter,  
dual conversion receiver, transmit AGC amplifier, and other  
RF filtering (see Figure 1). The diplex filter provides over 40  
dB of isolation between the TX band and the RX band. The  
receiver channel selects and converts QAM signals in the RX  
band down to the IF sampling frequency. It also provides the  
necessary gain control to adjust the input power to the DSP  
chip. The RF transmitter section provides > 56 dB of digitally  
controlled range while maintaining excellent linearity perfor-  
mance.  
• TWOWAYEURODOCSISBASEDDESIGN:  
112-858 MHz Downstream  
5-65 MHz Upstream  
• SINGLE SUPPLY 5 V OPERATION:  
With Built-in Linear Regulation  
• SINGLE AGC CONTROL  
Simplifies Modem Calibration  
• ULTRA SMALL SIZE:  
1.9 x 2.0 x 0.5 in., 1.9 in3  
46.2 x 49.0 x 12.5 mm., 28.5 cc.  
• DIGITAL LINEAR RF TRANSMITTER:  
All Harmonics -55 dBc @ 58 dBmV (see note 2)  
> 56 dB Gain Range (0.5 dB steps)  
• INTERFACESDIRECTLYWITHQAMMOD/DEMODIC's:  
(see note 3)  
ELECTRICAL CHARACTERISTICS (VCC = 5 V, ±2 %, TA = 25°C) (see note 4)  
SYMBOLS  
PARAMETERS  
UNITS  
MIN  
TYP  
MAX  
RF Performance (RX)  
fOP  
Operating Frequency Range (Center to Center)  
Input Signal Level  
MHz  
dBmV  
dB  
112  
-15  
858  
15  
Maximum Voltage Gain  
Automatic Voltage Gain Control Range  
IF Automatic Voltage Gain Control  
Noise Figure (at Max Voltage Gain)  
Phase Noise at 10 kHz Offset  
LO Radiation at RF Input  
Resolution  
57  
dB  
V
45  
0
VAGC  
3.3  
10  
NFMAX  
dB  
8
-85  
-40  
62.5  
18  
dBc/Hz  
dBm  
kHz  
msec.  
ohms  
dB  
-82  
Lock Time (end to end channel)  
Input Impedance (Nominal)  
Input Return Loss  
75  
RLIN  
6
Channel Bandwidth  
Output Frequency  
MHz  
MHz  
dB  
8
36.125  
1
Passband Ripple over 6.952 MHz Bandwidth  
Image Rejection  
2
dB  
50  
Inband Group Delay  
ns  
100  
CSO1  
dBc  
dBc  
kHz  
VPP  
KΩ  
45  
45  
-35  
50  
50  
CTB1  
Output Frequency Offset  
Output IF Voltage Level  
Output IF Load  
+35  
1
1
Notes:  
1. 110 Channels at +15 dBmV/tone.  
2. 160K Symbol rate; under DOCSIS PHY - 17 high condition.  
3. Application specification for TI 4040/4042.  
4. Specifications apply to test conditions listed.  
*
PHY 7/17/18 Data available upon request.  
PerformancetestsandratingsforSirenzaMicrodevices’productswereperformedinternallybySirenzaandmeasuredusingspecificcomputersystemsand/orcomponentsandreflecttheapproximate  
performanceoftheproductsasmeasuredbythosetests.Anydifferenceincircuitimplementation,testsoftware,ortestequipmentmayaffectactualperformance.Theinformationprovidedhereinis  
believedtobereliableatpresstimeandSirenzaMicrodevicesassumesnoresponsibilityfortheuseofthisinformation. Allsuchuseshallbeentirelyattheuser’sownrisk. Pricesandspecificationsfor  
SirenzaMicrodevices’productsaresubjecttochangewithoutnotice.BuyersshouldconsultSirenzaMicrodevices’standardtermsandconditionsofsaleforSirenza’slimitedwarrantywithregardtoits  
products. Nopatentrightsorlicensestoanyofthecircuitsdescribedhereinareimpliedorgrantedtoanythirdparty. SirenzaMicrodevicesdoesnotauthorizeorwarrantanyproductforuseinlife-  
supportdevicesand/orsystems.  
303 S. Technology Court, Broomfield, CO 80021  
303-327-3030  
www.sirenza.com  
4/1/2005  
REV.A  
1
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