PTFA211801E
PTFA211801F
Data Sheet 5 of 11 Rev. 03, 2005-06-10
Single-carrier WCDMA Drive-up
V
DD
= 28 V, I
DQ
= 1.2 A, f = 2140 MHz,
3GPP WCDMA signal, TM1 w/16 DPCH, 67% clipping,
P/A R = 8.5 dB, 3.84 MHz BW
-50
-45
-40
-35
-30
34 36 38 40 42 44 46 48
Average Output Power (dBm)
0
5
10
15
20
25
30
35
Drain Efficiency (%), Gain (dB)
Adjacent Channel Power Ratio (dB)
Efficiency
Gain
Typical Performance (cont.)
Voltage Sweep
-45
-40
-35
-30
-25
-20
-15
-10
23 24 25 26 27 28 29 30 31 32 33
Supply Voltage (V)
3rd Order Intermodulation Distortion (dBc)
10
15
20
25
30
35
40
45
I
DQ
= 1.2 A, f = 2140 MHz, P
OUT
tone spacing = 1 MHz
Gain
Efficiency
IM3 Up
Gain (dB), Drain Efficiency (%)
Bias Voltage vs. Temperature
Voltage normalized to typical gate voltage,
series show current
0.95
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
-20 0 20 40 60 80 100
Case Temperature (°C)
Normalized Bias Voltage (V)
0.3 A
0.9 A
1.5 A
2.3 A
4.5 A
6.8 A
9.0 A
11.3 A
13.5 A