AT-31625 Typical Performance, T
C
= 25°C
Frequency = 900 MHz, V
CE
= 4.8 V, I
CQ
= 5 mA, CW operation, Test Circuit A, unless otherwise specified.
31
29
OUTPUT POWER (dBm)
COLLECTOR EFFICIENCY (%)
COLLECTOR EFFICIENCY (%)
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
100
90
80
70
60
32
30
OUTPUT POWER (dBm)
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
100
90
80
70
60
50
40
30
12
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
27
25
23
21
19
17
15
13
11
2
4
6
P
out
28
26
24
22
20
18
16
14
12
6
8
10
12
14
16
18
20
22
INPUT POWER (dBm)
3.0 V
3.6 V
4.8 V
50
40
η
c
30
20
10
0
8 10 12 14 16 18 20 22
INPUT POWER (dBm)
3.0 V
3.6 V
4.8 V
14
16
18
20
22
INPUT POWER (dBm)
Figure 1. Output Power and Collector
Efficiency vs. Input Power.
Figure 2. Output Power vs. Input
Power Over Bias Voltage.
Figure 3. Collector Efficiency vs.
Input Power Over Bias Voltage.
P
in
= +19 dBm
32
30
OUTPUT POWER (dBm)
28
26
IMD (dBc)
OUTPUT POWER (dBm)
-10
-15
-20
-25
-30
-35
T
C
= +85°C
T
C
= +25°C
T
C
= –40°C
6
8
10
12
14
16
18
20
22
-40
-45
-50
8
IMD
5
10
12
14 16
18
20
22
24
IMD
3
30.0
29.5
29.0
28.5
28.0
27.5
27.0
26.5
26.0
800
80
70
60
24
22
20
18
16
14
P
out
50
40
30
20
10
0
1000
840
880
920
960
INPUT POWER (dBm)
OUTPUT POWER/TONE (dBm)
FREQUENCY (MHz)
Figure 4. Output Power vs. Input
Power Over Temperature.
Figure 5. IMD
3
, IMD
5
vs. Output
Power Per Tone.
Figure 6. Output Power and Collector
Efficiency vs. Frequency.
Note: Tuned at 900 MHz, then Swept over
Frequency.
0
-2
RETURN LOSS (dB)
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
-4
-6
-8
-10
-12
Input R.L.
-14
-16
-18
800
850
900
950
1000
Output R.L.
FREQUENCY (MHz)
Figure 7. Input and Output Return
Loss vs. Frequency.
4-45
COLLECTOR EFFICIENCY (%)
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
0
-5
31.0
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
30.5
Γ
source
= 0.73
∠
-156
Γ
load
= 0.42
∠
-179
η
c
100
90
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
