NXP Semiconductors CGD942C User Manual

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CGD942C

870 MHz, 23 dB gain power doubler amplifier

Rev. 3 — 29 September 2010

Product data sheet

1.Product profile

1.1General description

Hybrid amplifier module in a SOT115J package, operating at a supply voltage of 24 V (DC), employing Hetero Field Effect Transistor (HFET) GaAs dies.

CAUTION

This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken during transport and handling.

1.2Features and benefits

High output capability

Excellent linearity

Extremely low noise

Excellent return loss properties

Rugged construction

Gold metallization ensures excellent reliability

1.3Applications

CATV systems operating in the 40 MHz to 870 MHz frequency range

1.4Quick reference data

Table 1.

Quick reference data

 

 

 

 

 

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Gp

power gain

f = 870 MHz

22

23

24

dB

 

 

 

 

 

 

 

Itot

total current

VB = 24 V

[1] -

450

-

mA

[1]Direct Current (DC).

NXP Semiconductors

CGD942C

 

870 MHz, 23 dB gain power doubler amplifier

2. Pinning information

Table 2.

Pinning

 

 

 

 

Pin

Description

Simplified outline Graphic symbol

1

input

 

 

 

 

2, 3

common

1 3 5 7 9

 

5

 

 

 

 

5

+VB

1

 

 

9

 

 

 

 

7, 8

common

2

3

7

8

9

output

 

 

 

sym095

 

 

 

 

 

3. Ordering information

Table 3. Ordering information

 

Type number

Package

 

 

 

 

 

 

 

Name

Description

Version

CGD942C

-

rectangular single-ended package; aluminium flange;

SOT115J

 

 

2 vertical mounting holes; 2 × 6-32 UNC and 2 extra

 

 

 

horizontal mounting holes; 7 gold-plated in-line leads

 

 

 

 

 

4. Limiting values

Table 4.

Limiting values

 

 

 

 

In accordance with the Absolute Maximum Rating System (IEC 60134).

 

 

 

 

 

 

 

 

Symbol

Parameter

Conditions

Min

Max

Unit

VB

supply voltage

 

-

30

V

Vi(RF)

RF input voltage

single tone

-

75

dBmV

 

 

132 channels flat

-

45

dBmV

 

 

 

 

 

 

Tstg

storage temperature

 

−40

+100

°C

Tmb

mounting base temperature

 

−20

+100

°C

CGD942C

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 3 — 29 September 2010

2 of 8

NXP Semiconductors

CGD942C

 

870 MHz, 23 dB gain power doubler amplifier

5. Characteristics

Table 5. Characteristics

Bandwidth to 870 MHz; VB = 24 V (DC); Tmb = 35 °C; unless otherwise specified.

Symbol

Parameter

Conditions

 

Min

Typ

Max

Unit

Gp

power gain

f = 870 MHz

 

22

23

24

dB

SLsl

slope straight line

f = 40 MHz to 870 MHz

[1]

1

-

2

dB

FL

flatness of frequency response

f = 40 MHz to 870 MHz

[2]

-

0.5

-

dB

 

 

 

 

 

 

 

 

CTB

composite triple beat

79 + 53 flat NTSC channels

[3]

-

−68

−66

dBc

 

 

 

 

 

 

 

 

 

 

98 flat PAL channels

[4]

-

−66

-

dBc

 

 

 

 

 

 

 

 

CSO

composite second-order distortion

79 + 53 flat NTSC channels

[3]

-

−70

−67

dBc

 

 

 

 

 

 

 

 

 

 

98 flat PAL channels

[4]

-

−66

-

dBc

 

 

 

 

 

 

 

 

Xmod

cross modulation

79 + 53 flat NTSC channels

[3]

-

−66

−58

dB

 

 

 

 

 

 

 

 

RLin

input return loss

f = 40 MHz to 80 MHz

 

20

-

-

dB

 

 

f = 80 MHz to 160 MHz

 

19

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 160 MHz to 320 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 320 MHz to 640 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 640 MHz to 870 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

RLout

output return loss

f = 40 MHz to 80 MHz

 

20

-

-

dB

 

 

f = 80 MHz to 160 MHz

 

19

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 160 MHz to 320 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 320 MHz to 640 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

 

 

f = 640 MHz to 870 MHz

 

18

-

-

dB

 

 

 

 

 

 

 

 

NF

noise figure

f = 50 MHz

 

-

3.5

5.0

dB

 

 

 

 

 

 

 

 

 

 

f = 870 MHz

 

-

3.5

5.0

dB

 

 

 

 

 

 

 

 

Itot

total current

VB = 24 V

[5]

-

450

-

mA

[1]Gp at 870 MHz minus Gp at 40 MHz.

[2]Flatness straight line (peak to valley).

[3]79 NTSC channels (55.25 MHz to 547.25 MHz, 48 dBmV output level) + 53 NTSC channels (553.25 MHz to 997.25 MHz, 38 dBmV output level).

[4]Vo = 48 dBmV.

[5]Direct Current (DC).

CGD942C

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 3 — 29 September 2010

3 of 8

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