For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

18

HMC980

v00.0312

Active BiAs controller

High current

Figure 3c. Enhancement Mode Amplifier Typical Application Circuit (Mode 3)

table 3 - list of Bias settings for various Hittite Amplifiers

Hittite Part Number

VDRAIN

(V)

VDD

(V)

IDRAIN

(mA)

RSENSE

(kOhm)

R4

(kOhm)

R3

(kOhm)

VG2

(V)

S1

S0

Gain Blocks & Drivers

HMC-AUH256

5

5.83

295

0.508

open

open

-

GnD

GnD

LNAs

HMC-ALH435

5

5.08

30

5.000

6.13

5

1.5

GnD

GnD

HMC-ALH444

5

5.15

55

2.727

5.95

5

1.5

GnD

GnD

HMC490

5

5.56

200

0.750

open

open

-

GnD

GnD

HMC490LP5

5

5.56

200

0.750

open

open

-

GnD

GnD

HMC594

6

6.28

100

1.500

open

open

-

GnD

GnD

HMC594LC3B

6

6.28

100

1.500

open

open

-

GnD

GnD

HMC609

6

6.48

170

0.882

open

open

-

GnD

GnD

HMC609LC4

6

6.48

170

0.882

open

open

-

GnD

GnD

HMC753LP4E

5

5.15

55

2.727

5.95

5

1.5

GnD

GnD

Linear & Power

HMC-ABH209

5

5.22

80

1.875

open

open

-

GnD

GnD

HMC-ABH264

5

5.34

120

1.250

open

open

-

GnD

GnD

HMC442

5

5.24

85

1.765

open

open

-

GnD

GnD

HMC442LC3B

5

5.24

84

1.786

open

open

-

GnD

GnD

For biasing hittite amplifiers compatable with hMC980 refer to the table 3, where values of the external components

are provided on typical application circuit shown in Figure 3a.