LX5510

C

L

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

Copyright

 2003

Rev. 0.3g, 2003-05-08

InGaP HBT 2.4 – 2.5 GHz Power Amplifier

I N T E GR A T ED

PRODUCT S

S PARAM ETER (3.3V)

POW E R SWE E P

m1

freq=2.400GHz

dB(S (2,1))=19.788

m2

freq=2.450GHz

dB(S (2,1))=19.421

m7

freq=2.500GHz

dB(S (2,1))=18.846

2.2

2.4

2.6

2.8

2.0

3.0

-40

-30

-20

-10

0

10

20

30

-50

40

Frequency GHz

Figure 1 – S-Parameter Data

(VC = 3.3V, VREF = 2.85V, Icq = 65mA)

Figure 2 – Power Sweep

(Vc = 3.3V, Vref = 2.85V, Icq = 65mA)

EVM DATA

ACP DATA

0

1

2

3

4

5

6

7

8

17

18

19

20

21

Output Power (dBm)

100

110

120

130

140

150

160

170

180

EVM_PA_ONLY

CURRENT_3.3V

Figure 3 – EVM Data with 54Mbps 64QAM OFDM

(Vc = 3.3V, Vref = 2.85V, Icq = 65mA, Frequency = 2.45GHz)

-55

-52.5

-50

-47.5

-45

-42.5

-40

17

18

19

20

21

Output Power (dBm)

ACP_30MHz

Figure 4 – ACP Data with 54Mbps 64QAM OFDM

(VC = 3.3V, Vref = 2.85V, Icq = 65mA, Frequency = 2.45GHz)

CCK SP ECTRUM

S PARAM ETER (4.5V)

Figure 5 – Spectrum with 23dBm 11Mb/s CCK

(Vc = 3.3V, Vref =2.85V, Icq = 65mA, Ic = 180mA, Freq = 2.45GHz)

m1

freq=2.400GHz

S21 (dB)=20.041

m2

freq=2.450GHz

S21 (dB)=19.710

m7

freq=2.500GHz

S21 (dB)=19.143

2.2

2.4

2.6

2.8

2.0

3.0

-40

-30

-20

-10

0

10

20

30

-50

40

frequency (GHz)

Figure 6 – S-Parameter Data

(Vc = 4.5V, Vref = 2.85V, Icq = 65mA)