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ZNBR6000Q20 PDF预览

ZNBR6000Q20

更新时间： 2024-10-29 22:08:07
品牌 Logo 应用领域
捷特科 - ZETEX 模拟IC信号电路控制器
页数 文件大小 规格书
10页 182K
描述
FET BIAS CONTROLLER

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中文翻译

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ZNBR6000Q20 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：QSOP-20Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.1
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G20JESD-609代码：e0
长度：8.65 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：70 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.75 mm最大供电电压 (Vsup)：12 V
最小供电电压 (Vsup)：3.5 V标称供电电压 (Vsup)：4 V
表面贴装：YES温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9116 mm
Base Number Matches：1

ZNBR6000Q20 数据手册

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ZNBR4000 ZNBR4001  
ZNBR6000 ZNBR6001  
FET BIAS CONTROLLER  
DRAFT ISSUE A - DECEMBER 2000  
DEVICE DESCRIPTION  
These devices are unconditionally stable  
over the full working temperature with the  
FETs in place, subject to the inclusion of the  
recommended gate and drain capacitors.  
These ensure RF stability and minimal  
injected noise.  
The ZNBR series of devices are designed to  
meet the bias requirements of GaAs and  
HEMT FETs commonly used in satellite  
receiver LNBs, PMR, cellular telephones etc.  
with a minimum of external components  
and a VCC of 3-6V for improved efficiency.  
It is possible to use less than the devices full  
complement of FET bias controls, unused  
drain and gate connections can be left open  
circuit without affecting operation of the  
remaining bias circuits.  
With the addition of two capacitors and  
resistors the devices provide drain voltage  
and current control for a number of external  
grounded source FETs, generating the  
regulated negative rail required for FET gate  
biasing whilst operating from a single  
supply. This negative bias, at -3 volts, can  
also be used to supply other external  
circuits.  
In order to protect the external FETs the  
circuits have been designed to ensure that,  
under any conditions including power  
up/down transients, the gate drive from the  
bias circuits cannot exceed the range -2.5V  
to 0.7V. Furthermore if the negative rail  
experiences a fault condition, such as  
overload or short circuit, the drain supply to  
the FETs will shut down avoiding excessive  
current flow.  
The ZNBR4000/1 and ZNBR6000/1 contain  
four and six bias stages respectively. In  
setting drain current the ZNBR4000/1 two  
resistors allows individual FET pair control  
to different levels, the ZNBR6000/1 two  
resistors split control between two and four  
FETs. This allows the operating current of  
input FETs to be adjusted to minimise noise,  
whilst the following FET stages can  
separately be adjusted for maximum gain.  
The series also offers the choice of drain  
voltage to be set for the FETs, the  
ZNBR4000/6000 gives 2.2 volts drain whilst  
the ZNBR4001/6001 gives 2 volts.  
The ZNBR4000/1 and ZNBR6000/1 are  
available in QSOP16 and 20 pin packages  
respectively fortheminimumin devicessize.  
Device operating temperature is -40 to 70°C  
to suit a wide range of environmental  
conditions.  
FEATURES  
APPLICATIONS  
VCC of 3-6V for improved efficiency  
Satellite receiver LNBs  
•
•
Provides bias for GaAs and HEMT FETs  
Private mobile radio (PMR)  
•
•
Drives up to four or six FETs  
Cellular telephones  
•
•
Dynamic FET protection  
•
Drain current set by external resistor  
•
Regulated negative rail generator  
requires only 2 external capacitors  
•
Choice in drain voltage  
•
Wide supply voltage range  
•
QSOP surface mount package  
•
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中文翻译

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