PTFA240451E Datasheet, PDF (5/10 Pages) Infineon Technologies AG – Thermally-Enhanced High Power RF LDMOS FET 45 W, 2420-2480 MHz

PTFA240451E
Typical Performance (cont.)
Bias Voltage vs. Temperature
Voltage normalized to typical gate voltage,
series show current
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
-20
0.09 A
0.28 A
0.46 A
0.70 A
1.39 A
2.09 A
2.78 A
3.48 A
4.17 A
0
20 40 60 80 100
Case Temperature (°C)
WiMAX Performance
V_DD = 28 V, I_DQ = 0.45 A,
(modulation = 64 QAM2/3, channel bandwidth = 3.5 MHz,
sample rate = 4 MHz)
36
-15
Efficiency
30
ƒ = 2.62 GHz
-20
ƒ = 2.68 GHz
24
ƒ = 2.65 GHz
-25
18
-30
12
-35
6
-40
0
15
20 25 30 35 40
Output Power (dBm)
-45
45
WiMAX Performance
V_DD = 28 V, ƒ = 2450 MHz
(modulation = 64 QAM2/3, channel bandwidth = 3.5 MHz,
sample rate = 4 MHz)
-15
-20
-25
I_DQ = 0.28 A
-30
I_DQ = 0.67 A
-35
-40
I_DQ = 0.45 A
-45
15 20 25 30 35 40 45
Output Power (dBm)
Data Sheet
5 of 10
Rev. 04, 2008-03-04