40GHz Super Low Noise pHEMT

EC2612

Ref. : DSEC26120077 -17-Mar-00

7/8

Specifications subject to change without notice

Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE

Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09

(CHIP) Equivalent Circuit model (Drain and Gate bond wires included)

Lg

Rg

Cg d

Rd

Ld

Cds

Rd s

Ta u

G m

Cg s

Ri

Vg s

Rs

Ls

D

G

S

backside of substrate

Parameter

Unit

Value

Lg

pH

152.54

Rg

Ohms

0.13

Cgs

fF

142.6

Ri

Ohms

3.2

Cgd

fF

39.57

Rs

Ohms

2.83

Ls

pH

0.11

Gm

mS

98.14

Tau

ps

2.8

Cds

fF

46.84

Rds

Ohms

116.8

Rd

Ohms

2.83

Ld

pH

117.01

Typical Noise Parameters at Vds=2V, Ids=14mA

(Drain and Gate bond wires included)

FREQUENCY

NF min

ΓΓΓΓopt

Rn

MHz

dB

MOD.

Ang.(°)

5000

0.26

0.811

19.888

14.089

8000

0.356

0.746

32.28

13.33

12000

0.492

0.658

49.899

11.87

15000

0.595

0.598

64.263

10.51

20000

0.762

0.514

91.037

7.965

24000

0.892

0.473

114.916

5.923

28000

1.01

0.460

139.673

4.16

30000

1.07

0.465

151.723

3.473

32000

1.137

0.475

163.219

2.966

35000

1.223

0.5

179.087

2.63

38000

1.307

0.533

-166.857

2.923

40000

1.362

0.556

-158.467

3.538

42000

1.415

0.581

-150.795

4.536

45000

1.493

0.618

-140.488

6.843