Silicon Bipolar High fT Low Noise Microwave Transistors

MP4T645 Series

Specification Subject to Change Without Notice

M-Pulse Microwave____________________________________________________________________________________

3

576 Charcot Avemue, San Jose, California 95131

Tel (408) 432-1480

Fax (408)) 432-3440

Electrical Specifications @ 25

°C

MP4T645 Series

Parameter

Condition

Symbol

Min

Typical

Max

Units

Collector Cut-off Current





100

nA

µA

Emitter Cut-off Current





1

µA

µA

Forward Current Gain

30

125

250



Collector-Base



0.3

0.6

pF

Junction Capacitance

µA

f = 1 MHz

Typical Scattering Parameters in the MIcro-X Package

Frequency

S11E

S21E

S12E

S22E

(MHz)

Mag.

Angle

Mag.

Angle

Mag.

Angle

Mag

Angle

500

0.583

-114

9.315

116.1

0.052

43.6

0.573

-42.6

1000

0.569

-153

5.399

94.7

0.063

39.0

0.406

-53.0

1500

0.573

-173

3.807

82.0

0.072

40.0

0.357

-57.1

2000

0.587

170

2.980

72.0

0.082

42.5

0.313

-61.8

2500

0.598

159

2.479

62.7

0.092

44.0

0.299

-71.7

3000

0.616

150

2.132

54.8

0.103

45.2

0.304

-78.5

3500

0.645

142

1.935

47.0

0.118

45.5

0.289

-86.5

4000

0.675

132

1.782

38.5

0.130

45.7

0.281

-96.6

4500

0.705

124

1.631

29.6

0.143

45.5

0.292

-105.5

5000

0.749

115

1.538

22.0

0.159

44.5

0.281

-114.1

5500

0.791

106

1.445

14.4

0.176

43.6

0.283

-125.7

6000

0.832

96

1.395

6.1

0.188

42.3

0.306

-135.0

Frequency

S11E

S21E

S12E

S22E

(MHz)

Mag.

Angle

Mag.

Angle

Mag.

Angle

Mag

Angle

500

0.562

-128

10.477

111.9

0.044

44.5

0.515

-46.2

1000

0.564

-161

5.845

92.1

0.056

44.0

0.358

-53.8

1500

0.575

176

4.088

80.5

0.068

46.5

0.313

-57.2

2000

0.592

166

3.185

70.9

0.080

49.0

0.276

-62.3

2500

0.601

156

2.638

62.0

0.092

49.7

0.268

-71.7

3000

0.618

148

2.266

54.5

0.105

50.1

0.272

-78.3

3500

0.648

139

2.053

46.9

0.122

49.4

0.259

-87.0

4000

0.677

130

1.892

38.6

0.136

48.7

0.253

-96.9

4500

0.706

122

1.734

29.8

0.150

47.9

0.264

-106.0

5000

0.749

113

1.634

22.3

0.167

46.1

0.257

-115.1

5500

0.790

104

1.532

14.8

0.184

44.4

0.259

-126.3

6000

0.831

95

1.482

6.4

0.196

42.6

0.278

-136.0