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MC-7842 Datasheet(PDF) 1 Page - California Eastern Labs

Part No. MC-7842
Description  HIGH GAIN CATV POWER DOUBLER AMPLIFIER
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Maker  CEL [California Eastern Labs]
Homepage  http://www.cel.com
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MC-7842 Datasheet(HTML) 1 Page - California Eastern Labs

   
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HIGH GAIN CATV
POWER DOUBLER AMPLIFIER
MC-7842
MC-7843
OUTLINE DIMENSIONS (Units in mm)
PACKAGE OUTLINE H02
FEATURES
• GALLIUM ARSENIDE ACTIVE DEVICES
• HIGH GAIN/LOW DISTORTION
MC-7842: 22 dB Linear Gain
MC-7843: 24 dB Linear Gain
• LOW DC CURRENT DRAW
375 mA MAX DC Current (360 TYP)
• LOW GAIN CHANGE OVER TEMP
0.5 dB TYP change from -30 to +100°C
• HIGH RELIABILITY/RUGGEDNESS
Withstands environmental extremes as well as Silicon
devices (surge, ESD, etc.)
• INDUSTRY COMPATIBLE PACKAGE
DESCRIPTION
The MC-7842 and MC-7843 are GaAs hybrid integrated cir-
cuits designed to be used as the output stage in CATV cable
distribution amplifier applications up to 870 MHz. The only dif-
ference between the MC-7842 and the MC-7843 is gain of
about 22 dB and 24 dB respectively. With this product, NEC
has made significant advancements to their initial power dou-
bler product offering, including lower distortion, higher crash
point, less variation in gain over temperature, a reduction in
out of band gain at the high end, and improved ability to sur-
vive an overdrive. Like the previous products, these devices
survive such hazards as surge and ESD as well as their sili-
con 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
stringent quality and process control procedures. Both parts
come in industry compatible hybrid packages.
VDD
9
1
In
Out
Gnd
23 7 8
2.54 ±0.38
21.5 MAX
6-32 unc 2B
2.54±0.25
12 3
5
789
4.19±0.13
14.85 MAX
4.25
+ 0.25
- 0.35
4.0±0.25
5
10.75 ±0.25
27.5 MAX
38.1±0.25
45.08 MAX
0.51±0.05
0.51±0.05
3.2 MAX
A
0.38.. A
25.4±0.25
19.05±0.38
8.1 MAX
2.5
6.3
±0.05
California Eastern Laboratories
PART NUMBER
MC-7842
MC-7843
SYMBOLS
PARAMETERS
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
CONDITIONS
BW
Frequency Range
MHz
50
870
50
870
GL
Linear Gain
dB
22.0
23.5
24.0
25.5
f = 870 MHz
S
Gain Slope
dB
0.3
0.9
1.5
0.3
0.9
1.5
50 to 870 MHz
Gf
Gain Flatness
dB
1.0
1.0
50 to 870 MHz;
Peak to Valley
NF
Noise Figure
dB
6.3
6.0
50 MHz
dB
6.8
6.5
870 MHz
IDD
Operating Current, PIN = none
dB
275
375
275
375
CTB
Composite Triple Beat Distortion
dBc
-64
-60
-64
-60
X-Mod
Cross Modulation1
dBc
-60
-55
-60
-55
CSO
Composite Second Order Distortion
dBc
-66
-63
-66
-63
RL in/out
Input/Output Return Loss
dB
20.0
20.0
40 to 160 MHz
dB
19.0
19.0
160 to 320 MHz
dB
17.5
17.5
320 to 640 MHz
dB
16.0
16.0
640 to 870 MHz
ELECTRICAL CHARACTERISTICS (TCASE = 30°C, VDD = 24 V, ZS = ZL = 75 Ω)
110 channels,
Vout = +50dBmV,
at 745.25 MHz,
10dB tilted across
the band.
Note:
1. Measured per US standard methods and procedures (using selective level meter).


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