TC3957 datasheet(2/3 Pages) TRANSCOM

Part #	TC3957

Description	1W Packaged Single-Bias PHEMT GaAs Power FETs

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Manufacturer	TRANSCOM [Transcom, Inc.]

Direct Link	http://www.transcominc.com.tw

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2 / 3 page

TC3957

REV2_20080516

TRANSCOM, INC., 90 Dasoong 7

th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County Taiwan, R.O.C.

Web-Site: www.transcominc.com.tw

Phone: 886-6-5050086

Fax: 886-6-5051602

P 2 / 3

ABSOLUTE MAXIMUM RATINGS (TA=25 °°C)

Symbol

Parameter

Rating

VDS

Drain-Source Voltage

12 V

RF Input Power, CW

26 dBm

PT

Continuous Dissipation

3 W

TCH

Channel Temperature

175 °C

TSTG

Storage Temperature

- 65 °C to +175 °C

RECOMMANDED OPERATING CONDITION

Symbol

Parameter

Rating

VDS

Drain to Source Voltage

8 V

HANDLING PRECAUTIONS:

The user must operate in a clean, dry environment.

Electrostatic Discharge (ESD) precautions should

be observed at all stages of storage, handling,

assembly, and testing. The static discharge must be

less than 300V.

TYPICAL SCATTERING PARAMETERS (TA=25[)

Power Bias : VDS = 8 V

FREQUENCY

S11

S21

S12

S22

(GHz)

MAG

ANG

MAG

ANG

MAG

ANG

MAG

ANG

2

³

0.8771

³ -169.70 ³

4.7327

³

63.74

³

0.0502

³

-12.55

³

0.3727

³ -162.37 ³

3

³

0.8138

³ 161.54 ³

3.3265

³

32.43

³

0.0506

³

-11.65

³

0.3511

³ -177.70 ³

4

³

0.7667

³ 139.73 ³

2.6305

³

5.72

³

0.0619

³

-14.13

³

0.3464

³ 172.54 ³

5

³

0.7226

³ 119.09 ³

2.2550

³

-19.69

³

0.0769

³

-23.02

³

0.3433

³ 163.24 ³

6

³

0.6779

³

97.92

³

2.0514

³

-45.40

³

0.0979

³

-36.57

³

0.3409

³ 153.98 ³

7

³

0.6332

³

73.98

³

1.9521

³

-73.02

³

0.1221

³

-54.71

³

0.3298

³ 142.20 ³

8

³

0.5922

³

45.49

³

1.9171

³

-103.41

³

0.1545

³

-78.11

³

0.3119

³ 126.20 ³

9

³

0.5628

³

9.60

³

1.9021

³

-136.54

³

0.1909

³ -105.36 ³

0.2676

³ 102.60 ³

10.0

5.0

3.0

4.0

-0.2

-0.4

Swp Max

9GHz

Swp Min

2GHz

S11

0

15

30

150

165

-180

-165

-150

-30

-15

Swp Max

9 GHz

Swp Min

2 GHz

Mag Max

0.3

0.075

Per Div

S12

0

15

30

150

165

-180

-165

-150

-30

-15

Swp Max

9 GHz

Swp Min

2 GHz

Mag Max

8

2

Per Div

S21

10.0

5.0

3.0

4.0

-0.2

-0.4

Swp Max

9GHz

Swp Min

2GHz

S22

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