Datasheet D1028UK Datasheet (Seme)

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

DIM Millimetres Tol. Inches Tol.

A 19.05 0.50 0.75 0.020
B 10.77 0.13 0.424 0.005
C 45° 5° 45° 5°
D 9.78 0.13 0.385 0.005
E 5.71 0.13 0.225 0.005
F 27.94 0.13 1.100 0.005
G 1.52R 0.13 0.060R 0.005
H 10.16 0.13 0.400 0.005

I 22.22 MAX 0.875 MAX

J 0.13 0.02 0.005 0.001
K 2.72 0.13 0.107 0.005
M 1.70 0.13 0.067 0.005
N 5.08 0.50 0.200 0.020
O 34.03 0.13 1.340 0.005
P 1.57R 0.08 0.062R 0.003

P

D

Power Dissipation

BV

DSS

Drain – Source Breakdown Voltage

BV

GSS

Gate – Source Breakdown Voltage

I

D(sat)

Drain Current

T

stg

Storage Temperature

T

j

Maximum Operating Junction Temperature

438W

70V

±20V

30A

–65 to 150°C

200°C

MECHANICAL DATA

M

KJ

I

ON

A

C
(2 pls)

D

F

E

(4 pls)

B

G

(ty p)

P

(2 pls)

1

5

4

32

H

GOLD METALLISED

MULTI-PURPOSE SILICON

DMOS RF FET

300W – 28V – 175MHz

PUSH–PULL

FEATURES

• SIMPLIFIED AMPLIFIER DESIGN

• SUITABLE FOR BROAD BAND APPLICATIONS

•LOW C

rss

• SIMPLE BIAS CIRCUITS

• LOW NOISE

• HIGH GAIN – 13 dB MINIMUM

DR

PIN 1 SOURCE (COMMON) PIN 2 DRAIN 1
PIN 3 DRAIN 2 PIN 4 GATE 2
PIN 5 GATE 1

ABSOLUTE MAXIMUM RATINGS (T

case

= 25°C unless otherwise stated)

APPLICATIONS

• VHF/UHF COMMUNICATIONS

from 1 MHz to 200 MHz

METAL GATE RF SILICON FET

TetraFET

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

Parameter Test Conditions Min. Typ. Max. Unit

70

6
1

17

4.8

0.1

13
60

20:1

360
180

15

VGS= 0 ID= 100mA

VDS= 28V VGS= 0
VGS= 20V VDS= 0

ID= 10mA VDS= V

GS

VDS= 10V ID= 6A
ID= 10mA VDS= V

GS

PO= 300W
VDS= 28V IDQ= 2A
f = 175MHz

VDS= 28V VGS= –5V f = 1MHz
VDS= 28V VGS= 0 f = 1MHz
VDS= 28V VGS= 0 f = 1MHz

V

mA

m

A

V

mhos

V

dB

%

—

pF
pF
pF

ELECTRICAL CHARACTERISTICS (T

case

= 25°C unless otherwise stated)

Drain–Source Breakdown
Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
Gate Threshold Voltage*
Forward Transconductance*

Gate Threshold Voltage
Matching Between Sides

Common Source Power Gain
Drain Efficiency
Load Mismatch Tolerance

Input Capacitance
Output Capacitance
Reverse Transfer Capacitance

HAZARDOUS MATERIAL WARNING

The ceramic portion of the device between leads and metal flange is beryllium oxide. Beryllium oxide dust is highly
toxic and care must be taken during handling and mounting to avoid damage to this area.

THESE DEVICES MUST NEVER BE THROWN AWAY WITH GENERAL INDUSTRIAL OR DOMESTIC WASTE.

R

THj–case

Thermal Resistance Junction – Case Max. 0.4°C / W

THERMAL DATA

* Pulse Test: Pulse Duration = 300 ms , Duty Cycle £2%

TOTAL DEVICE

PER SIDE

PER SIDE

BV

DSS

I

DSS

I

GSS

V

GS(th)

g

fs

V

GS(th)match

G

PS

h

VSWR

C

iss

C

oss

C

rss

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

Figure 1 – Power Output and Efficiency

vs. Power Input.

Figure 2 – Power Output & Gain

vs. Power Input.

f = 175MHz

Idq= 2A

Vds= 28V

f = 175MHz

Idq= 2A

Vds= 28V

2nd harmonic = -28dBc
3rd harmonic = -40dBc

output at 350W

Figure 3 – IMD vs. Output Power.

Figure 4 – IMD & Gain vs. I

dq

f1= 175.0 MHz
f2= 175.1 MHz

VDS= 28V

f

1

= 175.0MHz

f2= 175.1MHz

P

out

= 130W PEP

Vds= 28V

400
350
300
250

P

out

200

W

150
100

50

0

0 2 4 6 8 10 12 14 16 18 20

P

W

in

Pout
Drain Efficiency

100
90
80
70
60
50
40
30
20

Drain Efficiency

%

400
350
300
250

P

out

200

W

150
100

50

0

0 2 4 6 8 10 12 14 16 18 20

Pout
Gain

P

W

in

20

18

16

14

12

12

Gain

dB

400
350
300
250

P

out

200

W

150
100

50

0

0 2 4 6 8 10 12 14 16 18 20

P

W

in

Pout
Drain Efficiency

100
90
80
70

Drain Efficiency

60

%

50
40
30
20

-20

-30

IMD

dBc

-40

-50
0 0.5 1 1.5 2 2.5

IMD3
IMD5
Gain

I

A

dq

18.5

18.5

17.5

17.5

16.5

16.5

15.5

15.5

Gain

dB

!Freq S11 S21 S12 S22
!MHz mag ang mag ang mag ang mag ang
20 0.828 -161.3 19.78 103.2 0.013 16.4 0.644 -156.3
30 0.836 -165.9 13.83 91.0 0.013 5.8 0.662 -160.3
40 0.846 -168.2 10.27 82.9 0.012 -0.3 0.687 -161.2
50 0.854 -169.2 8.126 75.9 0.012 -5.2 0.708 -162.2
60 0.867 -170.2 6.259 68.5 0.011 -9.0 0.729 -162.6
70 0.873 -171.2 5.331 64.3 0.01 -11.1 0.754 -163.3
80 0.886 -171.4 4.554 59.5 0.009 -12.8 0.78 -163.5
90 0.896 -172.4 3.883 54.9 0.009 -13.9 0.802 -163.9
100 0.904 -173.0 3.362 50.6 0.008 -14.3 0.813 -164.8
110 0.91 -173.2 3.013 48.6 0.007 -13 0.832 -165.4
120 0.92 -173.6 2.558 44.3 0.006 -10.7 0.851 -166.4
130 0.927 -174.1 2.259 41.2 0.006 -7.6 0.861 -166.6
140 0.931 -174.5 2.012 38.1 0.005 -3.4 0.871 -167.3
150 0.934 -175.3 1.85 35.9 0.005 1.7 0.884 -168.0
160 0.941 -175.2 1.652 32.9 0.004 8.6 0.892 -168.8
170 0.942 -175.9 1.475 30.5 0.004 17.5 0.901 -169.5
180 0.951 -175.8 1.306 28.6 0.004 27.6 0.909 -169.5
190 0.95 -176.4 1.215 28.2 0.004 36.0 0.913 -170.2
200 0.958 -177.2 1.094 27.4 0.004 46.6 0.923 -170.7
210 0.958 -177.2 1.014 25.5 0.005 56.5 0.926 -171.3
220 0.96 -178.2 0.938 24.4 0.005 60.9 0.934 -172.1
230 0.963 -178.0 0.897 22.7 0.005 64.8 0.936 -172.0
240 0.965 -178.7 0.806 20.3 0.006 67.6 0.939 -172.7
250 0.968 -178.7 0.738 18.1 0.006 68.9 0.945 -173.1
260 0.967 -179.0 0.692 17.4 0.007 71.7 0.948 -173.8
270 0.969 -179.8 0.662 17.0 0.007 74.8 0.952 -173.8
280 0.97 -179.4 0.618 16.5 0.007 78.9 0.955 -174.1
290 0.971 -179.3 0.581 16.7 0.008 88.3 0.959 -174.3
300 0.972 179.8 0.557 16.0 0.011 87.4 0.958 -174.7
310 0.974 179.8 0.539 14.2 0.011 83.3 0.963 -174.8
320 0.974 179.3 0.505 11.8 0.012 80.1 0.963 -175.3
330 0.978 179.1 0.472 9.7 0.012 78.9 0.967 -176.3
340 0.979 178.8 0.445 7.5 0.012 78.6 0.967 -176.5
350 0.979 178.8 0.419 6.1 0.013 78.4 0.971 -176.6
360 0.978 178.2 0.379 5.3 0.013 78.7 0.968 -177.0
370 0.978 178.5 0.353 4.9 0.013 79.6 0.973 -177.4
380 0.98 177.9 0.343 4.6 0.014 78.9 0.976 -177.2
390 0.983 178.1 0.321 4.4 0.014 77.9 0.972 -178.0
400 0.984 177.6 0.3 7.7 0.014 82.1 0.975 -177.8
410 0.985 177.2 0.304 7.9 0.015 83.8 0.977 -178.1
420 0.981 177.1 0.299 4.7 0.015 82.5 0.978 -178.3
430 0.977 176.8 0.284 2.2 0.015 82.1 0.977 -178.7
440 0.981 176.4 0.264 0.3 0.016 84.2 0.982 -178.9
450 0.981 176.2 0.245 -0.9 0.016 86.8 0.98 -179.6
460 0.985 176.2 0.237 -0.8 0.017 93.2 0.98 -179.5
470 0.985 176.1 0.226 -0.9 0.02 91.8 0.984 -179.5
480 0.986 175.2 0.209 -0.7 0.022 85.2 0.98 -179.9
490 0.982 175.4 0.205 0.2 0.022 82.4 0.984 179.9
500 0.982 175.4 0.194 -1.3 0.021 80.8 0.983 -180.0

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

!VDS= 28V, IDQ= 1A per side
#MH

Z S MA R 50

Typical S Parameters

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

D1028UK 175MHz TEST FIXTURE

T1,2,3 7cm Storm Products EXE18 19/30 S1TW coaxial cable on Siemens

A1 x 1 2-hole core.
T4,5 14cm Storm Products EXE18 19/30 S1TW coaxial cable.
T6 11cm Storm Products EXE18 19/30 S1TW coaxial cable
L1 6 turns 1.2mm dia wire, 5mm internal diameter
L2 1.5 turns 0.9mm dia wire on Siemens A1 x 1 2 hole core

L2

Gate-Bias

100
n

T2

T1

1u

2-18 pF

1u

T3

10k

90p
F

12

1n

100k 820K

L1

D1028UK

47pF

D1028UK

1n

100n

1000u

1n

T4

2-18 pF

T5

28V

680pF

T6

680pF

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

0.20.512510180

0

fZ

L

MHz R jX

175 4 -0.5
200 4.5 -4
225 3.5 -5

160

170

180

-170

150

0

-160

225

-150

140

175

130

-140

100

110

120

0.2

0.5

90

80

1

2

ZLopt

Impedance measured Drain - Drain

-130

-120

-110

-100

-80

-90

70

60

50

40

30

20

10

5

10

-40

-50

-60

-70

0

-10

-20

-30

Matching
Network

Z

Lopt

D1028UK

01/01

Semelab plc. Telephone [phone]. Fax [phone].

E-mail: [e-mail]

Website: http://www.semelab.co.uk

0.20.512510180

0

fZs

MHz R jX

175 1.6 -1.5
200 1.6 -1.2
225 2.3 -2

Matching
Network

ZS

180

opt

160

170

-170

150

0

175

225

-160

200

-150

140

130

-140

120

0.2

ZSopt

-130

110

100

0.5

90

80

70

1

2

Impedance measured Gate - Gate

-120

-110

-100

-90

-70

-80

60

50

40

30

20

10

5

10

-40

-50

-60

0

-10

-20

-30