AT-33225 Datasheet, PDF (4/10 Pages) Agilent(Hewlett-Packard) – 4.8 V NPN Common Emitter Output Power Transistor for AMPS, ETACS Phones

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