205 - Polyfet

T B 2 0 5 S Q 2 0 2 --> L B 5 0 1 , R F o u t / G a i n v s R F i n V d s = 2 8 V d c ,
Idq=1.8A, Freq=400M H z
150
32
125
31
RF out
30
Gain
29
75
gain (dB)
RF out (Watts)
100
28
50
P1dB at 100W
27
25
26
0
25
0
0 .1
0 .2
0 .3
0 .4
0 .5
R F in (W a tts)
T B 205 S Q 202--> L B 501, R F o u t/G a in v s R F in V d s =28V d c , Id q =1.8A ,
F req=300MHz
29
175
150
Gain
100
27
75
P1dB at 135W
50
26
25
0
25
0
0.1
0.2
R F in (W atts )
0.3
0.4
0.5
gain (dB)
RF out (Watts)
28
RF out
125
T B 2 0 5 S Q 2 0 2 --> L B 5 0 1 , R F o u t / G a i n v s R F i n V d s = 2 8 V d c ,
Idq=1.8A, Freq=200M H z
165
31
150
30
135
Gain
120
RF out
29
90
28
75
60
27
P1dB at 120W
45
gain (dB)
RF out (Watts)
105
30
26
15
25
0
0
0 .1
0 .2
0 .3
R F in (W a tts)
0 .4
0 .5
T B 2 0 5 S Q 2 0 2 --> L B 5 0 1 G a i n / E f f i c i e n c y v s F r e q V d s = 2 8 V d c
Idq=1.8A
33
100
30
90
27
80
24
Gain
70
Pout fixed at 130W
18
60
15
Efficiency
50
12
9
40
6
30
3
0
200
20
220
240
260
280
300
Freq in M H z
320
340
360
380
400
Eff in %
Gain in dB
21
50W PEP
F1
200
300
400
F2
200.1
300.1
400.1
3rd Order
-33.6
-31.67
-31.33
5th Order
-36.50
-36.00
-37.00
Pout W/tone
12.5
12.5
12.5
Pout dBm/tone
41.0
41.0
41.0
IP3
57.77
56.80
56.63
Small-signal plot of TB205. SQ202->LB501 Vds=28V Idq=1.8A (1.4A+0.4A)