Datasheet DU2860T Datasheet (MACOM)

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an AMP company

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

DU2860T

v2.00

-*-

Input Capacitance
Output Capacitance
Reverse Capacitance
Power Gain

Drain Efficiency

Load Mismatch Tolerance VSWR-T - 3O:l -

Specifications Subject to Change WAhout Notice.

North America: Tel. [phone]

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C

ISS

C

oss

C

RSS
GP
%

n Asia/Pacific: Tel. [phone]

13 -

60 -

135 pF
120 pF

24 pF

V,,=28.0 V, F=l .O MHz
V,,=28.0 V, F=l .O MHz
V,,=28.0 V, F=l .O MHz
V,,=28.0 V, I,,=300 mA, P,,=60.0 W, F=l75 MHz

dB

V,,=28.0 V, I,,=300 mA, P,,=60.0 W, F=175 MHz

%

V,,=28.0 V, I,,=300 mA, P,#GO.O W, F=l75 MHz

Europe: Tel. [phone]

n

M/A-COM, Inc.

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RF MOSFET Power Transistor, 6OW, 28V

Typical Broadband Performance Curves

DU2860T

v2.00

25

10 -

50

GAIN vs FREQUENCY

I’,,=28 V I,,=300 mA PO,=60 W

100

FREQUENCY (MHz)

150

801

EFFICIENCY vs FREQUENCY

ao-

200

2.5 50

POWER OUTPUT vs POWER INPUT

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

V,,=28 V I,,=300 mA PO”,.=60 W

100

FREQUENCY (MHz)

1

1.50

200

MIA-COM, Inc.

Specifications Subject to Change Wiiout Notice.

North America: Tel. [phone]

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0

0.5

1 1.5

POWER INPUT(W)

2 2.5

m Asia/Pacific: Tel. [phone]

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2.75

3

Europe: Tel. [phone]

u

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RF MOSFET Power Transistor, 6OW, 28V

Typical Device impedance

Frequency (MHz)

30
50
100

200

Z,, (OHMS)

4.0

9.0 - j

5.8

6.0 - j

4.2

4.0 - j

1.0

1.0-j

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

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

Z

is thebptimum series equivalent load impedance as measured from drain to ground.

LOAD

RF Test Fixture

VDS = 28 VOLTS
IDQ = 300mA

RF IN

Jl

Cl
IY -

Al

VGS

J3

P

Ll

Cl1

I

L2

C7 $ cgT 7-C C6

Z

LoAD (OHMS)

6.0 + j 0.0

5.0 + j 2.0

4.0 + j 3.0

2.0 + j 1.9

VDS

J4

P

L3

. .

a

C8

L IY
7 Al

RF OUT

J2

PARTS LIST

Cl $3
c2,c9
c4,c5

C6,C8
c7

Ll
L2

L3

Ftl

Ql
BOARD

Specifications Subject to Change Without Notice.

TRIMMER CAPACITOR 4-4OpF
CAPACITOR 5OpF
FEEDTHROUGH CAPACITOR 0.001 UF
TRIMMER CAPACITOR 9-180pF

CAPACITOR 15pF
NO. 12 AWG COPPER WIRE X 1.18’ (LOOP 0.5’)
NO. 12 AWG COPPER WIRE X 1’ (LOOP 0.4”)

8 TURNS OF NO. 22 AWG ENAMEL WIRE ON
‘0.25’. CLOSE WOUND
RESISTOR 300 OHMS 0.5 WA-l7
DU2860T
FR4 0.062”

North America: Tel. [phone] n Asia/Pacific: Tel. t81 (03) 3226-1671

Fax [phone]

Fax [phone]

MIA-COM, inc.

n

Europe: Tel. [phone]

Fax [phone]