MRFIC1817 데이터 시트보기 (PDF) - Motorola => Freescale

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MRFIC1817

1800 MHz GaAs Integrated Power Amplifier

Motorola => Freescale 

Typical Characteristics

48

46

TA = –35°C

44

42

25°C

40

85°C

38

36

Pin = 5 dBm

34

VD1, VD2, VD3 = 3.6 V

VSS = –4 V

32

1.85

1.86

1.87

1.88

1.89

1.9

1.91

f, FREQUENCY (GHz)

Figure 15. Power Added Efficiency versus

Frequency – PCS Band

Table 1. Optimum Loads Derived from

Circuit Characterization

Zin

ZOL*

OHMS

f

OHMS

MHz

R

jX

R

jX

1710

7.77

–34.15

4.89

9.50

1720

7.84

–34.37

4.87

9.34

1730

7.87

–34.67

4.86

9.18

1740

8.07

–34.79

4.78

8.94

1750

8.24

–35.05

4.77

8.70

1760

8.39

–35.22

4.73

8.51

1770

8.44

–35.56

4.70

8.32

1780

8.52

–35.79

4.67

8.12

1785

8.57

–35.82

4.65

7.95

Zin represents the input impedance of the device.

ZOL* represents the conjugate of the optimum output load to present

to the device.

Table 2. Optimum Loads Derived from

Circuit Characterization – PCS Band

Zin

ZOL*

f

OHMS

OHMS

MHz

R

jX

R

jX

1850

3.97

–39.68

7.49

3.07

1860

3.94

–40.31

7.42

2.81

1870

4.09

–40.65

7.38

2.51

1880

4.04

–40.92

7.31

2.28

1890

4.18

–41.21

7.28

2.02

1900

4.27

–41.48

7.28

1.73

1910

4.26

–41.71

7.23

1.56

Zin represents the input impedance of the device.

ZOL* represents the conjugate of the optimum output load to present

to the device.

MRFIC1817

6

MOTOROLA RF DEVICE DATA

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