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MAX9987EGP PDF预览

MAX9987EGP

更新时间: 2024-01-21 14:21:42
品牌 Logo 应用领域
美信 - MAXIM 射频和微波射频分光器射频合路器微波分光器微波合路器信息通信管理
页数 文件大小 规格书
12页 284K
描述
+14dBm to +20dBm LO Buffers/Splitters with 【1dB Variation

MAX9987EGP 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete包装说明:5 X 5 MM, QFN-20
Reach Compliance Code:not_compliant风险等级:5.91
特性阻抗:50 Ω构造:COMPONENT
最大输入功率 (CW):43.01 dBmJESD-609代码:e0
安装特点:SURFACE MOUNT端子数量:20
最大工作频率:1100 MHz最小工作频率:700 MHz
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装等效代码:LCC20,.20SQ,25
电源:5 V射频/微波设备类型:SPLITTER
子类别:RF/Microwave Splitter/Combiners最大压摆率:171 mA
表面贴装:YES技术:BICMOS
端子面层:Tin/Lead (Sn/Pb)最大电压驻波比:1.7
Base Number Matches:1

MAX9987EGP 数据手册

 浏览型号MAX9987EGP的Datasheet PDF文件第6页浏览型号MAX9987EGP的Datasheet PDF文件第7页浏览型号MAX9987EGP的Datasheet PDF文件第8页浏览型号MAX9987EGP的Datasheet PDF文件第9页浏览型号MAX9987EGP的Datasheet PDF文件第11页浏览型号MAX9987EGP的Datasheet PDF文件第12页 
+14dBm to +20dBm LO Buffers/Splitters  
with 1dB ꢀariation  
Table 1. External Resistor Values for +14dBm to +20dBm Output Power  
NOMINAL  
OUTPUT POWER  
(dBm)  
MAX9987  
INPUT DRIVE  
(dBm)  
MAX9988  
INPUT DRIVE  
(dBm)  
R ()  
1
R ()  
2
R ()  
4
R ()  
5
+20  
+19  
+18  
+17  
+16  
+15  
+14  
1.35k  
2.2k  
2.0k  
3.0k  
Open  
Open  
Open  
Open  
1.8k  
Open  
Open  
Open  
Open  
3.0k  
10  
9
3
12  
11  
10  
9
3
3
3
3
5.0k  
6.0k  
8
3
3
3
3
3
Open  
Open  
Open  
Open  
Open  
Open  
Open  
Open  
7
3
6
8
3
3
3
0.9k  
1.1k  
5
7
0.6k  
0.6k  
4
6
Applications Information  
Table 2. Component Values for Typical  
Application Circuit  
Input and Output Matching  
All input and output matching is accomplished on-chip;  
no external matching circuitry is required. Use a DC  
block of about 47pF (lowband) or 22pF (highband) at  
the input and the outputs. Because these parts are  
internally broadband matched, adjusting external com-  
ponent values can optimize performance for a particu-  
lar band.  
COMPONENT VALUE  
DESIGNATION  
MAX9987  
MAX9988  
(LOWBAND)  
(HIGHBAND)  
C1, C3, C6  
100pF  
100nF  
C2, C4, C5, C7, C8,  
C9, C12, C13, C14  
47pF  
22pF  
Input Drive Level  
In the case of the MAX9987, the typical required input  
drive level is +7dBm for +17dBm output, or +10dBm for  
+20dBm output. The MAX9988 uses slightly higher  
input levels (see Table 1). The typical VCO cannot pro-  
vide sufficient drive by itself; the typical application fol-  
lows the VCO with attenuation (about +3dB), and then  
with a low-noise gain block. This allows the VCO to  
drive the MAX9987/MAX9988 input at the required level  
without being load-pulled.  
C10, C11  
R1, R2, R4, R5  
R3  
5pF  
See Table 1.  
100Ω  
10pF  
See Table 1.  
100Ω  
Driver Amplifiers and Outputs  
Each of the output amplifiers are similar to the input  
amplifier, except they are biased higher to provide more  
output power. For example, with an input power of  
+10dBm, the MAX9987 can deliver +20dBm at both out-  
puts. The bias is adjustable; see Table 1 for details.  
Output Drive Level  
The output drive of the MAX9987/MAX9988 is nominally  
+17dBm 1dB. This is the typical application, with no  
external bias-setting resistors at INBIAS and OUTBIAS.  
Output power can be set from +14dBm to +20dBm by  
using the bias-setting resistor values listed in Table 1.  
Both RF outputs are internally matched to 50, with a  
typical VSWR limit of 2:1. Provide DC blocking capaci-  
tors at the outputs.  
Chip Information  
TRANSISTOR COUNT: 89  
PROCESS: BiCMOS  
10 ______________________________________________________________________________________  

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