Low Noise Amplifier
1.575 GHz

AM50-0002

M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.

· North America Tel: 800.366.2266 / Fax: 978.366.2266
· Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
· Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298

Visit www.macom.com for additional data sheets and product information.

Features

· Low Noise Figure: 1.15 dB

· High Gain: 27 dB
· Low Power Consumption: 5V, 20 mA

· High Dynamic Range
· Low Cost SOIC-8 Lead Package

Description

M/A-COM's AM50-0002 is a high performance GaAs
MMIC low noise amplifier in a low cost SOIC 8 Lead
surface mount plastic package. The AM50-0002
employs a monolithic 3-stage self-bias design and a
simple external matching network to obtain minimum
noise figure.

The AM50-0002 is ideally suited for use where low
noise figure, high gain, high dynamic range and low
power consumption are required. Typical
applications include receiver front ends in the Global
Positioning System (GPS) market, as well as
standard gain blocks, buffer amps, driver amps, and
IF amps in both fixed and portable systems.

M/A-COM'S AM50-0002 is fabricated using a mature
0.5-micron gate length GaAs process. The process
features full passivation for increased performance
reliability.

Functional Diagram

PIN No.

PIN Name

Description

GND

Ground

RF Input

GND

Ground

GND

Ground

GND

Ground

OUT

RF Output, V

GND

Ground

GND

Ground

Pin Configuration

GND

RF IN

GND

RF OUT

GND

RF IN

GND

RF OUT

GND

Ordering Information

Part Number

Package

AM50-0002

SOIC-8 Lead Package

AM50-0002TR

Forward Tape and Reel, 1000 pcs

AM50-0002TR-3000

Forward Tape and Reel, 3000 pcs

AM50-0002SMB

Sample Test Board (Includes 5 Samples)

Note: Reference Application Note M513 for reel size

information.

Absolute Maximum Ratings

Parameter

Absolute Maximum

VDD +10

VDC

Input Power

17 dBm

Channel Temperature

+150 °C

Operating Temperature

-40 °C to +85 °C

Storage Temperature

-65 °C to +150 °C

4. Exceeding any one or combination of these limits may cause

permanent damage to this device

5. Typical thermal resistance (jc) = +165 °C/W

1. Pins 1, 3, 4, 5, 7, and 8 must be RF and DC grounded as

shown.

2. Pin 2 is the RF input and must be connected to the simple

matching network shown.

3. Pin 6 is the RF output, V

is also applied on Pin 6.

Low Noise Amplifier
1.575 GHz

AM50-0002

Electrical Specifications: T

= +25°C, Z

=50 Ohm, V

=+5V, P

=-35 dBm, F=1.575 GHz

Parameter

Test Conditions

Units

Min

Typ

Max

Gain

Noise Figure

1.15

1.4

Input VSWR

Ratio

2.0:1

Output VSWR

Ratio

1.5:1

Output P1dB Compression

dBm

Input IP

dBm

-14

Reverse Isolation

Bias Current

Recommended PCB Configuration

Application Schematic

Frequency = 1.575 GHz

Impedance

Electrical

Length

T1 57.2

36.0°

82.7 W

16.2°

SOIC-8

Low Noise Amplifier
1.575 GHz

AM50-0002

1.5

2.5

1.3

1.4

1.5

1.6

1.7

1.8

Frequency (GHz)

Input

Output

1.05

1.1

1.15

1.2

1.25

1.3

1.35

1.4

1.5

1.52

1.54

1.56

1.58

1.6

Frequency (GHz)

0.8

0.9

1.1

1.2

1.3

1.4

1.5

1.6

1.5

1.52

1.54

1.56

1.58

1.6

Frequency (GHz)

+85C

+25C

-40C

1.3

1.4

1.5

1.6

1.7

1.8

Frequency (GHz)

1.3

1.4

1.5

1.6

1.7

1.8

Frequency (GHz)

-40C

+85C

+25C

Typical Performance

Gain vs. Frequency, TA = +25C

Gain vs. Frequency over Temperature

Input IP

vs. Frequency, TA = +25C

Noise Figure vs. Frequency over Temperature

Noise Figure vs. Frequency, TA = +25C

VSWR vs. Frequency, TA = +25C

-16

-15.5

-15

-14.5

-14

-13.5

-13

-12.5

-12

1.5

1.52

1.54

1.56

1.58

1.6

Frequency (GHz)

Low Noise Amplifier
1.575 GHz

AM50-0002

FREQ

S11 (MAG) S11 (ANG) S21 (MAG) S21 (ANG) S12 (MAG) S12 (ANG) S22 (MAG) S22 (ANG)

(GHz)

0.75

0.921

-30.81

2.509

25.55

0.00148

8.86

0.166

-177.94

0.80

0.913

-32.28

2.819

22.22

0.00130

8.34

0.160

178.21

0.85

0.910

-33.76

3.187

18.24

0.00129

2.77

0.154

174.64

0.90

0.907

-35.75

3.593

13.38

0.00121

21.43

0.148

172.18

0.95

0.909

-37.74

4.061

8.14

0.00102

4.10

0.140

169.61

1.00

0.901

-39.48

4.562

2.42

0.00107

7.73

0.134

167.83

1.05

0.892

-41.10

5.138

-3.96

0.00106

6.05

0.125

166.68

1.10

0.898

-43.16

5.787

-10.74

0.00083

1.77

0.116

166.54

1.15

0.902

-45.17

6.477

-18.10

0.00066

-6.72

0.108

169.20

1.20

0.899

-47.10

7.253

-26.07

0.00065

-31.71

0.099

172.34

1.25

0.896

-49.30

8.079

-34.70

0.00055

-24.54

0.095

179.35

1.30

0.894

-51.27

8.956

-43.79

0.00041

-29.08

0.094

-170.96

1.35

0.894

-54.18

9.894

-53.69

0.00028

-63.69

0.102

-161.31

1.40

0.892

-56.58

10.808

-64.44

0.00053

-134.67

0.119

-153.00

1.45

0.885

-59.28

11.727

-75.73

0.00070

-137.52

0.145

-149.06

1.50

0.873

-62.30

12.525

-87.83

0.00115

-157.96

0.178

-148.14

1.55

0.857

-65.21

13.091

-100.40

0.00154

-162.50

0.214

-150.19

1.60

0.832

-67.38

13.498

-113.16

0.00208

-173.25

0.252

-154.73

1.65

0.810

-69.51

13.577

-126.00

0.00253

-178.80

0.289

-160.02

1.70

0.782

-71.55

13.373

-138.81

0.00294

173.91

0.322

-166.25

1.75

0.760

-73.07

12.964

-150.86

0.00347

167.10

0.351

-172.30

1.80

0.739

-74.16

12.390

-162.47

0.00382

162.87

0.375

-178.46

1.85

0.724

-75.18

11.688

-173.46

0.00423

155.47

0.394

175.75

1.90

0.712

-75.70

10.981

176.38

0.00474

150.99

0.409

170.19

1.95

0.699

-77.01

10.218

166.80

0.00498

148.83

0.423

165.01

2.00

0.699

-77.56

9.495

157.89

0.00544

146.02

0.432

160.40

2.05

0.692

-78.24

8.807

149.48

0.00565

142.63

0.440

155.71

2.10

0.690

-79.57

8.163

141.76

0.00600

139.72

0.448

151.79

2.15

0.688

-80.62

7.551

134.45

0.00640

136.31

0.454

147.76

2.20

0.690

-81.76

6.996

127.26

0.00673

135.38

0.459

144.08

2.25

0.689

-83.14

6.477

120.81

0.00681

132.88

0.464

140.70

2.30

0.691

-84.63

6.005

114.57

0.00740

131.06

0.467

137.31

2.35

0.691

-86.09

5.576

108.60

0.00754

129.17

0.472

134.28

2.40

0.693

-87.58

5.181

102.95

0.00793

126.95

0.475

131.15

2.45

0.693

-89.37

4.811

97.37

0.00831

126.73

0.478

128.24

2.50

0.697

-90.85

4.483

92.22

0.00854

125.02

0.481

125.56

S-Parameters

Low Noise Amplifier
1.575 GHz

AM50-0002

FREQ Fmin[dB]

MAG

ANG

0.750

0.8052

0.8697

26.5001

0.7376

0.800

0.7869

0.8620

27.9959

0.6796

0.850

0.7699

0.8544

29.5150

0.6303

0.900

0.7572

0.8467

31.0675

0.5897

0.950

0.7467

0.8390

32.6540

0.5551

1.000

0.7397

0.8312

34.2760

0.5259

1.050

0.7351

0.8234

35.9319

0.5007

1.100

0.7333

0.8154

37.6196

0.4788

1.150

0.7333

0.8072

39.3353

0.4593

1.200

0.7348

0.7990

41.0771

0.4418

1.250

0.7383

0.7906

42.8431

0.4260

1.300

0.7432

0.7821

44.6308

0.4114

1.350

0.7491

0.7735

46.4387

0.3977

1.400

0.7563

0.7647

48.2651

0.3850

1.450

0.7645

0.7559

50.1090

0.3730

1.500

0.7734

0.7469

51.9696

0.3615

1.550

0.7834

0.7378

53.8492

0.3506

1.600

0.7943

0.7287

55.7432

0.3402

1.650

0.8057

0.7195

57.6514

0.3301

1.700

0.8180

0.7102

59.5725

0.3204

1.750

0.8312

0.7007

61.5065

0.3111

1.800

0.8450

0.6912

63.4539

0.3020

1.850

0.8596

0.6817

65.4128

0.2933

1.900

0.8748

0.6721

67.3846

0.2849

1.950

0.8910

0.6625

69.3678

0.2768

2.000

0.9079

0.6529

71.3635

0.2689

2.050

0.9254

0.6432

73.3575

0.2614

2.100

0.9437

0.6335

75.3681

0.2541

2.150

0.9631

0.6239

77.3914

0.2471

2.200

0.9833

0.6143

79.4309

0.2403

2.250

1.0050

0.6050

81.4808

0.2340

2.300

1.0277

0.5957

83.5485

0.2278

2.350

1.0516

0.5866

85.6304

0.2219

2.400

1.0768

0.5777

87.7262

0.2163

2.450

1.1035

0.5689

89.8387

0.2109

2.500

1.1317

0.5604

91.9643

0.2058

Noise Figures

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