PTFA261301E Datasheet, PDF (6/12 Pages) Infineon Technologies AG – Thermally-Enhanced High Power RF LDMOS FETs 130 W, 2.62-2.68 GHz

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
0.28 A
0.83 A
1.39 A
2.09 A
4.17 A
6.26 A
8.34 A
10.43 A
12.52 A
0
20 40 60 80 100
Case Temperature (°C)
PTFA261301E
PTFA261301F
WiMAX Performance
V_DD = 28 V, I_DQ = 1.25 A,
(modulation = 64 QAM2/3, channel bandwidth = 3.5 MHz,
sample rate = 4 MHz)
30
-15
Efficiency
25
ƒ = 2.62 GHz
-20
ƒ = 2.68 GHz
20
ƒ = 2.65 GHz
-25
15
-30
10
-35
5
-40
0
-45
15 20 25 30 35 40 45 50
Output Power (dBm)
WiMAX Performance
V_DD = 28 V, I_DQ = 1.25 A, ƒ = 2650 MHz,
(modulation = 64 QAM2/3, channel bandwidth = 3.5 MHz,
sample rate = 4 MHz)
-20
t = –20 °C
-25
t = +25 °C
-30
-35
-40
t = +85 °C
-45
15 20 25 30 35 40 45 50
Output Power (dBm)
WiMAX Performance
V_DD = 28 V, ƒ = 2650 MHz
(modulation = 64 QAM2/3, channel bandwidth = 3.5 MHz,
sample rate = 4 MHz)
-20
-25
I_DQ = 0.80 A
-30
-35
I_DQ = 1.75 A
-40
I_DQ = 1.25 A
-45
15 20 25 30 35 40 45 50
Output Power (dBm)
Data Sheet
6 of 12
Rev. 07, 2007-04-04