at-36408-tr1 ETC-unknow, at-36408-tr1 Datasheet - Page 3

• Manufacturer Part Number: at-36408-tr1
• Description: Common Emitter Output Power Transistor Class Phones
• Manufacturer: ETC-unknow

AT-36408 Typical Performance, T
Frequency = 900 MHz, V
Test Circuit A (GSM), unless otherwise specified.
Figure 1. Output Power and Collector
Efficiency vs. Input Power.
Figure 4. Output Power vs. Input
Power Over Temperature.
38
34
30
26
22
18
14
36
35
34
33
32
31
30
29
28
27
15
6
8
source
load
source
load
17
10
= 0.85
= 0.85
INPUT POWER (dBm)
INPUT POWER (dBm)
12
= 0.88
= 0.88
19
14
P
16
+172
+172
21
out
-171
-171
18
T
T
T
C
C
C
23
20
= +85 C
= +25 C
= –40 C
c
CE
22
25
= 4.8 V, I
24
26
27
28
28
95
80
65
50
35
20
5
CQ
= 50 mA, pulsed operation, pulse width = 577
34.8
Figure 2. Output Power vs. Input
Power Over Bias Voltage.
36.0
35.8
35.6
35.4
35.2
35.0
34.6
34.4
34.2
Figure 5. Output Power and
Collector Efficiency vs. Frequency.
Note: Tuned at 900 MHz, then swept over frequency.
34.0
38
33
28
23
18
13
880
6
C
source
load
8
source
load
= 25 C
10
890
= 0.85
= 0.85
INPUT POWER (dBm)
FREQUENCY (MHz)
= 0.88
12
= 0.88
P
in
4-83
c
14
= +26 dBm
+172
900
+172
16 18
-171
-171
20
910
3.6 V
4.8 V
6.0 V
22
P
out
24
920
26
63
75
71
67
59
55
Figure 3. Collector Efficiency vs.
Input Power Over Bias Voltage.
Figure 6. Input and Output Return
Loss vs. Frequency.
-10
-15
-20
-25
80
70
60
50
40
30
20
10
-5
0
0
800
6
8
source
load
source
load
sec, duty cycle = 12.5%,
10
850
= 0.85
= 0.85
INPUT POWER (dBm)
12
FREQUENCY (MHz)
= 0.88
= 0.88
Output R.L.
14
16
+172
+172
900
-171
-171
18
20
Input R.L.
3.6 V
4.8 V
6.0 V
22
950
24
26
1000
28