AT-31625 Typical Performance, T
C
= 25°C
Frequency = 1800 MHz, V
CE
= 4.8 V, I
CQ
= 15 mA, CW operation, Test Circuit B,
unless otherwise specified.
35
30
OUTPUT POWER (dBm)
25
20
15
10
5
0
0
4
8
12
16
20
INPUT POWER (dBm)
P
out
30
70
60
50
40
COLLECTOR EFFICIENCY (%)
0
Γ
source
= 0.75
∠
-135
Γ
load
= 0.39
∠
-179
-5
RETURN LOSS (dB)
Γ
source
= 0.75
∠
-135
Γ
load
= 0.39
∠
-179
-10
Output R.L.
-15
Input R.L.
-20
η
c
20
10
0
24
-25
1700
1750
1800
1850
1900
FREQUENCY (MHz)
Figure 12. Output Power and
Collector Efficiency vs. Input Power.
Figure 13. Input and Output Return
Loss vs. Frequency.
AT-31625 Typical Large Signal Impedances
V
CE
= 4.8 V, I
CQ
= 15 mA, P
out
= +25.0 dBm
Γ
source
Freq.
MHz
Mag.
Ang.
1700
0.717
-131.8
1725
0.724
-132.6
1750
0.732
-133.4
1775
0.743
-134.3
1800
0.752
-135.4
1825
0.763
-136.3
1850
0.773
-137.0
1875
0.780
-137.8
1900
0.788
-138.7
Γ
Mag.
0.373
0.378
0.381
0.386
0.390
0.394
0.397
0.401
0.403
load
Ang.
-174.3
-175.6
-176.7
-177.9
-179.1
179.5
178.4
177.1
175.7
4-48
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
