at-33225 ETC-unknow, at-33225 Datasheet - Page 3

• Manufacturer Part Number: at-33225
• Description: Common Emitter Output Power Transistor Amps, Etacs Phones
• Manufacturer: ETC-unknow

AT-33225 Typical Performance, T
Frequency = 900 MHz, V
Figure 1. Output Power and Collector
Efficiency vs. Input Power.
Figure 4. Output Power vs. Input
Power Over Temperature.
34
30
26
22
18
14
10
33
30
27
24
21
18
15
12
6
9
6
2
2
source
source
load
load
6
6
= 0.67
= 0.67
INPUT POWER (dBm)
INPUT POWER (dBm)
= 0.82
= 0.82
10
10
P
-174
-174
out
-163
-163
14
14
T
T
T
C
C
C
= +85 C
= +25 C
= –40 C
CE
c
18
18
= 4.8 V, I
22
22
24
24
10
90
80
70
60
50
40
30
20
0
CQ
= 6 mA, CW operation, Test Circuit A (ETACS/ISM), unless otherwise specified.
Figure 2. Output Power vs. Input
Power Over Bias Voltage.
Figure 5. IMD
Power Per Tone.
-15
-20
-25
-30
-35
-40
-45
35
30
25
20
15
10
11
5
0
2
C
= 25 C
source
13
load
source
load
OUTPUT POWER/TONE (dBm)
6
15
= 0.67
= 0.67
INPUT POWER (dBm)
= 0.82
= 0.82
17
4-73
3
10
, IMD
-174
19
-174
-163
IMD
-163
14
5
21
3
vs. Output
23
3.6 V
4.8 V
6.0 V
18
IMD
25
5
22
27
24
Figure 3. Collector Efficiency vs.
Input Power Over Bias Voltage.
Figure 6. Input and Output Return
Loss vs. Frequency.
-10
-15
-20
-25
-30
90
80
70
60
50
40
30
20
10
-5
0
5
0
800
2
source
load
source
load
6
850
= 0.67
Input R.L.
= 0.67
INPUT POWER (dBm)
FREQUENCY (MHz)
= 0.82
= 0.82
Output R.L.
10
-174
-174
900
-163
-163
14
3.6 V
4.8 V
6.0 V
18
950
22
1000
24