Datasheet DU2860U Datasheet (MACOM)

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RF MOSFET Power Transistor, 6OW, 28V

2 - 175 MHz

Features

N-Channel Enhancement Mode Device
DMOS Structure
Lower Capacitances for Broadband Operation
High Saturated Output Power
Lower Noise Figure Than Bipolar Devices

. .

Absolute Maximum Ratings at 25°C

A

DU2860U

v2.00

4Gl.

Electrical Characteristics at 25°C

IWA-COM, Inc.

North America:

Specifications Subject to Change Without Notice.

Tel. [phone]
Fax [phone] Fax [phone] Fax +I4 (1344) 300 020

n Asia/Pacific: Tel. [phone]

Europe: Tel. [phone]

m

RF MOSFET Power Transistor, 6OW, 28V

Typical Broadband Performance Curves

v2.00

GAIN vs FREQUENCY

V,,=28 V 1,0=300 mA P,,,.,.=60 W

=z

I”

. *

50 100

FREQUENCY (MHz)

150

200

POWER OUTPUT vs POWER INPUT

V,,=20 V I,,=300 mA

80 ,

25

EFFICIENCY vs FREQUENCY

V,,=28 V I,,=300 mA P,,~60 W

50 loo

FREOUENCY (MHz)

1

150

200

Specifications Subject to Change Without Notice.

North America: Tel. [phone]

Fax [phone]

”

0 0.5

1 1.5 2 2.5 2.75 3

POWER INPUT(W)

= Asia/Pacific: Tel. [phone]

Fax [phone]

M/A-COM, Inc.

Europe: Tel. [phone]

n

Fax [phone]

RF MOSFET Power Transistor, 6OW, 28v

Typical Device impedance

DU2860U

V2.00

Frequency (MHz)

30
50
100

200

Z,,., (OHMS)

9.0 - j

4.0

6.0 - j

5.8

4.0 - j

4.2

1.0 -j

1.0

Z

LOAD (OHMS)

6.0 + j 0.0

5.0 + j 2.0

4.0 + j 3.0

2.Ocj 1.9

V,,=28 V, I,,=300 mA, PO,,=60 Watts

Z,, is the series equivalent input impedance of the device from gate to source.

z LOAD is the optimum series equivalent load impedance as measured from drain to ground.

Test Fixture

RF

VDS = 28 VOLTS
IDQ = 3OOmA

RF IN

Jl

Cl

VGS

J3

P

Ql

I

I2

L3

-

VDS

J4

P

1.
. . w /(,

C8

IY

RF OUT

J2

M/A-COM, Inc.

North America:

Cl,C3
c2,c9
C4,c5

C6,CX
c7
Ll
I2
L3

RI

Ql
BOARD

Specifications Subject to Change Without Notice.

Tel. [phone]
Fax [phone]

TRIMMER CAPACITOR 4-4OpF
CAPACITOR 5OpF
FEEDTHROUGH CAPACITOR 0.001 UF
TRIMMER CAPACITOR 9-18OpF
CAPACITOR 15pF
NO. 12 AWG COPPER WIRE X 1.18’ (LOOP 0.5”)
NO. 12 AWG COPPER WIRE X 1’ (LOOP 0.4’)
6 TURNS OF NO. 18 AWG ENAMEL WIRE ON

‘0.25’, CLOSE WOUND

RESISTOR 300 OHMS 0.5 WAlT
DU2860U
FR4 0.062

n Asia/Pacific: Tel. [phone]

PARTS LIST

Fax [phone]

C7 + “7 $ C6

Europe: Tel. [phone]

Fax [phone]