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MC-7845 PDF预览

MC-7845

更新时间： 2024-11-24 22:46:23
品牌 Logo 应用领域
日电电子 - NEC 有线电视放大器
页数 文件大小 规格书
2页 110K
描述
NECs 870 MHz GaAs CATV POWER DOUBLER AMPLIFIER

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中文翻译

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MC-7845 技术参数

是否Rohs认证： 不符合生命周期：Transferred
Reach Compliance Code：compliant风险等级：5.76
特性阻抗：75 Ω构造：MODULE
增益：18 dBJESD-609代码：e0
最大工作频率：870 MHz最小工作频率：40 MHz
最高工作温度：85 °C最低工作温度：-30 °C
射频/微波设备类型：WIDE BAND LOW POWER端子面层：Tin/Lead (Sn/Pb)
Base Number Matches：1

MC-7845 数据手册

 浏览型号MC-7845的Datasheet PDF文件第2页 
MC-7845  
MC-7846  
MC-7847  
NEC's 870 MHz GaAs CATV  
POWER DOUBLER AMPLIFIER  
FEATURES  
OUTLINE DIMENSIONS (Units in mm)  
• GaAs ACTIVE DEVICES  
• LOW DISTORTION  
PACKAGE OUTLINE H02  
• HIGH LINEAR GAIN:  
45.08 MAX  
MC-7845 - GL = 18 dB MIN at f = 870 MHz  
MC-7846 - GL = 22 dB MIN at f = 870 MHz  
MC-7847 - GL = 25 dB MIN at f = 870 MHz  
38.1±0.25  
4.25 + 0.25  
27.5 MAX  
- 0.35  
3.2 MAX  
V
DD  
14.85 MAX  
5
• LOW RETURN LOSS  
4.0±0.25  
8.1 MAX  
1
9
• LOW GAIN CHANGE OVER TEMPERATURE  
19.05±0.38  
In  
Out  
• SPECIFIED FOR 79, 110, and 132 CHANNELS  
PERFORMANCE  
6-32 unc 2B  
21.5 MAX  
25.4±0.25  
2.54±0.25  
2
3 7 8  
Gnd  
0.51±0.05  
• HIGH RELIABILITY AND RUGGEDNESS:  
Withstands environmental extremes as well as Silicon  
devices (Surge, ESD, Etc.)  
1
2
3
5
7 8 9  
10.75 ±0.25  
DESCRIPTION  
2.54 ±0.38  
4.19±0.13  
A
NEC's MC-7845, MC-7846, and MC-7847 are GaAs Multi-  
Chip Modules designed for use as output stages in CATV ap-  
plications up to 870 MHz. The only difference between these  
devices is gain, which is 18 dB, 22 dB, and 25 dB respec-  
tively. Because these units are GaAs devices they have low  
distortion, low noise figure, and low return loss across the entire  
frequency band.  
6.3  
2.5  
0.51±0.05  
0.38.. A  
±0.05  
APPLICATIONS  
• CATV HEADEND SYSTEMS  
Like the previous generation of products, these devices sur-  
vive such hazards as surge and ESD as well as their silicon  
competitors, but deliver superior performance with low DC  
current required. All devices are assembled and tested using  
fully automated equipment to maximize consistency in part to  
part performance, and reliability is assured by NEC's strin-  
gent quality and process control procedures. These parts come  
in industry compatible hybrid packages.  
• CATV OPTICAL NODES  
• CATV DISTRIBUTION AMPS  
ELECTRICAL CHARACTERISTICS (TA = 30±5 °C, VDD = 24 V, ZS = ZL = 75 Ω)  
PART NUMBER  
CHARACTERISTICS  
Frequency Range  
Linear Gain  
MC-7845  
MC-7846  
MC-7847  
SYMBOLS  
UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX TEST CONDITIONS  
BW  
GL  
S
MHz  
dB  
50  
18.0  
0.2  
–
–
–
870  
50  
–
–
870  
50  
–
–
870  
19.0 22.0  
23.0 25.0  
26.0 f = 870 MHz  
Gain Slope  
dB  
0.6 1.0  
0.6 1.0  
1.4  
0.6  
1.0  
–
1.4  
–
1.8  
0.6  
f = 40 to 870 MHz  
Gf  
Gain Flatness  
dB  
–
0.6  
–
–
40 to 870 MHz;  
Peak to Valley  
NF  
Noise Figure 1  
Noise Figure 2  
Input Return Loss  
dB  
dB  
–
–
–
–
–
–
–
–
–
–
–
6.5  
7.0  
–
–
–
–
–
–
–
–
–
–
–
–
6.0  
6.5  
–
–
–
–
–
–
–
–
–
–
–
–
5.5  
6.0  
–
f = 50 MHz  
–
–
–
f = 870 MHz  
RLi  
20.0  
19.0  
17.5  
16.0  
20.0  
19.0  
17.5  
16.0  
20.0  
20.0  
19.0  
17.0  
20.0  
20.0  
19.0  
18.0  
20.0  
20.0  
19.0  
17.0  
20.0  
20.0  
19.0  
18.0  
40 to 160MHz  
160 to 320 MHz  
320 to 640 MHz  
640 to 870 MHz  
40 to 160MHz  
160 to 320 MHz  
320 to 640 MHz  
640 to 870 MHz  
–
–
–
–
–
–
–
–
–
RLo  
Output Return Loss  
dB  
–
–
–
–
–
–
–
–
–
–
–
–
continued on next page  
California Eastern Laboratories  
12

中文翻译

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