SD1728_07 Datasheet, PDF (5/9 Pages) STMicroelectronics – RF & Microwave transistors HF SSB application

SD1728 (TH430)
3
Typical performance (Class C)
Typical performance (Class C)
Figure 1. Output power vs input power
350
300
250
200
150
100
50
Class C
Freq: 13.56 MHz
Vcc= 44V
0
0
1
2
3
4
5
6
7
8
9
Pin (W)
Figure 2. Collector base capacitance vs
Collector base voltage (f = 1MHz)
800
700
600
500
400
300
200
100
0
0
10
20
30
40
50
60
Collector base capacitance (pf)
Figure 3. Power gain vs P_OUT
20
18
16
Figure 4. Efficiency vs P_OUT
70%
60%
50%
40%
14
12
Class C
Freq: 13.56MHz
MV_CH_Cz = 44V
10
8
54
120
170
210
235
Pout (W)
30%
20%
10% ^{Class C}
Freq: 13.56 MHz
MVH_CCz = 44V
0% V 44V
0
50
100
150
200
250
300
Pout (W)
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