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MC-7831

更新时间： 2024-11-24 22:46:23
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3页 174K
描述
NECs 870 MHz GaAs CATV PUSH-PULL AMPLIFIER

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MC-7831 数据手册

 浏览型号MC-7831的Datasheet PDF文件第2页浏览型号MC-7831的Datasheet PDF文件第3页 
MC-7831  
MC-7832  
MC-7833  
NEC's 870 MHz GaAs CATV  
PUSH-PULL AMPLIFIER  
OUTLINE DIMENSIONS (Units in mm)  
FEATURES  
• GaAs ACTIVE DEVICES  
PACKAGE OUTLINE H02  
• LOW DISTORTION  
45.08 MAX  
• HIGH LINEAR GAIN:  
38.1  
±0.25  
4.25 + 0.25  
MC-7831 - GL = 18 dB MIN at f = 870 MHz  
MC-7832 - GL = 22 dB MIN at f = 870 MHz  
MC-7833 - GL = 25 dB MIN at f = 870 MHz  
27.5 MAX  
- 0.35  
3.2 MAX  
V
DD  
14.85 MAX  
5
4.0±0.25  
8.1 MAX  
1
9
• LOW RETURN LOSS  
19.05±0.38  
In  
Out  
• LOW GAIN CHANGE OVER TEMPERATURE  
6-32 unc 2B  
21.5 MAX  
25.4  
0.25  
±0.25  
2
3 7 8  
• SPECIFIED FOR 79, 110, and 132 CHANNELS  
PERFORMANCE  
2.54  
±
Gnd  
0.51±0.050  
• 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  
2.54±0.38  
4.19±0.13  
A
DESCRIPTION  
6.3  
2.5  
0.38.. A  
NEC's MC-7831, MC-7832, and MC-7833 are GaAs Multi-  
Chip Modules designed for use as input 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.  
±
0.05  
APPLICATIONS  
• CATV HEADEND SYSTEMS  
• CATV OPTICAL NODES  
• CATV DISTRIBUTION AMPS  
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.  
ELECTRICAL CHARACTERISTICS (TA = 30±5 °C, VDD = 24 V, ZS = ZL = 75 Ω)  
PART NUMBER  
MC-7831  
MC-7832  
MC-7833  
SYMBOLS  
CHARACTERISTICS  
UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX TEST CONDITIONS  
BW  
GL  
S
Frequency Range  
MHz  
dB  
50  
18.0  
0.2  
–
–
–
–
–
870 50  
19.0 22.0  
1.0 0.6  
–
–
–
–
870  
50  
–
–
–
–
870  
Linear Gain  
Gain Slope  
Gain Flatness  
23.0 25.0  
26.0 f = 870 MHz  
1.8 f = 40 to 870 MHz  
dB  
1.4  
0.7  
1.0  
–
Gf  
dB  
0.7  
–
0.7 40 to 870 MHz;  
Peak to Valley  
NF  
RL  
Noise Figure 1  
dB  
dB  
–
–
–
–
6.5  
7.0  
–
–
–
–
–
–
–
–
–
6.0  
6.5  
–
–
–
–
–
–
–
–
–
5.5 f = 50 MHz  
6.0 f = 870 MHz  
Noise Figure 2  
–
–
Input/Output Return Loss  
20.0  
19.0  
17.5  
16.0  
180  
–
–
20.0  
19.0  
17.5  
16.0  
20.0  
19.0  
17.5  
16.0  
–
–
–
–
40 to 160MHz  
–
–
–
160 to 320 MHz  
320 to 640 MHz  
640 to 870 MHz  
–
–
–
–
–
–
IDD  
CTB  
Operating Current  
mA  
dBc  
dBc  
dBc  
–
240 180  
240 180  
240 RF OFF  
Composite Triple Beat  
Cross Modulation1dBc  
Composite Second Order  
-59  
-51  
-63  
-57  
-50  
-57  
–
–
–
-59 -57  
-53 -50  
-60 -57  
–
–
–
-59 -57 f = 40 to 870 MHz  
-53 -50 110 Channels,  
XMod  
CSO  
–
–
-61 -57  
VOUT = 44 dBmV, Flat  
1. Measured per US standard methods and procedures (using selective level meter).  
California Eastern Laboratories  
123

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