at-33225 ETC-unknow, at-33225 Datasheet - Page 4

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

AT-33225 Typical Performance, T
Frequency = 836.5 MHz, V
Figure 7. Output Power and Collector
Efficiency vs. Input Power.
Figure 10. Input and Output Return
Loss vs. Frequency.
-10
-15
-20
-25
33
30
27
24
21
18
15
12
-5
6
5
0
9
750
2
source
source
load
load
800
6
= 0.66
= 0.66
INPUT POWER (dBm)
FREQUENCY (MHz)
= 0.81
= 0.81
P
Output R.L.
836.5
10
out
-174
-174
Input R.L.
-165
-165
14
850
c
18
CE
900
= 4.8 V, I
22
950
24
10
90
80
70
60
50
40
30
20
0
CQ
Figure 8. Output Power vs. Input
Power Over Bias Voltage.
= 6 mA, CW operation, Test Circuit B (AMPS), unless otherwise specified.
35
30
25
20
15
10
0
5
2
C
source
load
= 25 C
6
= 0.66
INPUT POWER (dBm)
= 0.81
10
4-74
-174
-165
14
3.6 V
4.8 V
6.0 V
18
22
24
Figure 9. Collector Efficiency vs.
InputPower Over Bias Voltage.
90
80
70
60
50
40
30
20
10
0
2
source
load
6
= 0.66
INPUT POWER (dBm)
= 0.81
10
-174
-165
14
3.6 V
4.8 V
6.0 V
18
22
24