鈥?/div>
HIGH RELIABILITY AND RUGGEDNESS:
Withstands environmental extremes as well as Silicon
devices (Surge, ESD, Etc.)
OUTLINE DIMENSIONS
(Units in mm)
PACKAGE OUTLINE H02
45.08 MAX
38.1鹵0.25
3.2 MAX
27.5 MAX
4.25
+ 0.25
- 0.35
14.85 MAX
4.0鹵0.25
8.1 MAX
19.05鹵0.38
1
In
6-32 unc 2B
V
DD
5
9
Out
25.4鹵0.25
2.54鹵0.25
2 3 7 8
0.51鹵0.05
21.5 MAX
12.9 MAX
Gnd
1 2 3 5
7 8 9
2.62鹵0.35
10.75
鹵0.25
DESCRIPTION
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 MH
z
. 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.
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.
4.19鹵0.13
A
0.38.. A
0.51鹵0.05
2.54
鹵0.38
6.3
2.5
鹵0.05
APPLICATIONS
鈥?CATV HEADEND SYSTEMS
鈥?CATV OPTICAL NODES
鈥?CATV DISTRIBUTION AMPS
ELECTRICAL CHARACTERISTICS
(T
A
= 30鹵5
擄C,
V
DD
= 24 V, Z
S
= Z
L
= 75
鈩?
SYMBOLS
BW
G
L
S
Gf
NF
RLi
PART NUMBER
CHARACTERISTICS
Frequency Range
Linear Gain
Gain Slope
Gain Flatness
Noise Figure 1
Noise Figure 2
Input Return Loss
UNITS
MHz
dB
dB
dB
dB
dB
MC-7845
MIN TYP MAX
50
鈥?/div>
870
18.0
鈥?/div>
19.0
0.2
0.6 1.0
鈥?/div>
鈥?/div>
0.6
鈥?/div>
鈥?/div>
20.0
19.0
17.5
16.0
20.0
19.0
17.5
16.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
6.5
7.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
MIN
50
22.0
0.6
鈥?/div>
鈥?/div>
鈥?/div>
20.0
20.0
19.0
17.0
20.0
20.0
19.0
18.0
MC-7846
TYP MAX
鈥?/div>
870
鈥?/div>
23.0
1.0
1.4
鈥?/div>
0.6
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
6.0
6.5
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
MC-7847
MIN TYP MAX
50
鈥?/div>
870
25.0
鈥?/div>
26.0
1.0
1.4
1.8
鈥?/div>
鈥?/div>
0.6
鈥?/div>
鈥?/div>
20.0
20.0
19.0
17.0
20.0
20.0
19.0
18.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5.5
6.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
TEST CONDITIONS
f = 870 MHz
f = 40 to 870 MHz
40 to 870 MHz;
Peak to Valley
f = 50 MHz
f = 870 MHz
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
continued on next page
RLo
Output Return Loss
dB
California Eastern Laboratories
MC-7846相關(guān)型號PDF文件下載
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英文版
NECs 870 MHz GaAs CATV PUSH-PULL AMPLIFIER
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NECs 870 MHz GaAs CATV PUSH-PULL AMPLIFIER
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NEC [NEC]
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NECs 870 MHz GaAs CATV POWER DOUBLER AMPLIFIER
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NECs 870 MHz GaAs CATV POWER DOUBLER AMPLIFIER
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CATV 18 dB PUSH-PULL AMPLIFIER
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CATV 18 dB PUSH-PULL AMPLIFIER
NEC [NEC]
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CATV 22 dB PUSH-PULL AMPLIFIER
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CATV 22 dB PUSH-PULL AMPLIFIER
NEC [NEC]
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NEC [CATV 18 dB POWER DOUBLER AMPLIFIER]
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英文版
NEC [CATV 22 dB POWER DOUBLER AMPLIFIER]
NEC
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