MC-7843 Renesas Electronics Corporation., MC-7843 Datasheet

MC-7843

Manufacturer Part Number

MC-7843

Description

Manufacturer

Renesas Electronics Corporation.

Datasheet

1.MC-7843.pdf (2 pages)

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ELECTRICAL CHARACTERISTICS

FEATURES

• GALLIUM ARSENIDE ACTIVE DEVICES

• HIGH GAIN/LOW DISTORTION

• LOW DC CURRENT DRAW

• LOW GAIN CHANGE OVER TEMP

• HIGH RELIABILITY/RUGGEDNESS

• 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 MH

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-

Note:

1. Measured per US standard methods and procedures (using selective level meter).

SYMBOLS

MC-7842: 22 dB Linear Gain

MC-7843: 24 dB Linear Gain

375 mA MAX DC Current (360 TYP)

0.5 dB TYP change from -30 to +100°C

Withstands environmental extremes as well as Silicon

devices (surge, ESD, etc.)

X-Mod

CSO

CTB

in/out

Frequency Range

Linear Gain

Gain Slope

Gain Flatness

Noise Figure

Operating Current, P

Composite Triple Beat Distortion

Cross Modulation

Composite Second Order Distortion

Input/Output Return Loss

PART NUMBER

PARAMETERS

POWER DOUBLER AMPLIFIER

= none

The only dif-

UNITS

MHz

dBc

CASE

= 30°C, V

22.0

20.0

19.0

17.5

16.0

MIN

275

0.3

–

HIGH GAIN CATV

MC-7842

= 24 V, Z

14.85 MAX

TYP

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.

0.9

-64

-60

-66

OUTLINE DIMENSIONS

–

4.19±0.13

3.2 MAX

8.1 MAX

= Z

MAX

23.5

870

375

-60

-55

-63

1.5

1.0

6.3

6.8

–

= 75 )

California Eastern Laboratories

0.38.. A

19.05±0.38

2.54±0.25

1 2 3 5

45.08 MAX

27.5 MAX

38.1±0.25

25.4±0.25

MIN

24.0

20.0

19.0

17.5

16.0

275

0.3

PACKAGE OUTLINE H02

–

7 8 9

0.51±0.05

MC-7843

TYP

-64

-60

-66

0.9

–

21.5 MAX

6-32 unc 2B

4.0±0.25

(Units in mm)

4.25

MC-7842

MC-7843

6.3

MAX

±0.05

25.5

870

375

1.5

1.0

6.0

6.5

-60

-55

-63

2.5

+ 0.25

- 0.35

–

110 channels,

Vout = +50dBmV,

at 745.25 MHz,

10dB tilted across

the band.

160 to 320 MHz

320 to 640 MHz

640 to 870 MHz

0.51±0.05

50 to 870 MHz;

50 to 870 MHz

40 to 160 MHz

Peak to Valley

2.54 ±0.38

CONDITIONS

f = 870 MHz

870 MHz

50 MHz

2 3 7 8

Gnd

Out

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MC-7843 Summary of contents

Page 1

... 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 MH 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- ...

Page 2

... MC-7842, MC-7843 ABSOLUTE MAXIMUM RATINGS SYMBOLS PARAMETERS V Supply Voltage Input Voltage i T Operating Case Temperature C T Storage Temperature STG Note: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. Maximum single channel power applied to the input for 1 minute with no measurable degradation in performance. ...

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