RF3933
Typical Performance in Standard 900MHz Tuned Test Fixture
(CW, T = 25°C, unless otherwise noted)
Gain vs. Output Power (f = 900MHz)
Efficiency vs. Output Power (f = 900MHz)
(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)
(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)
25
24
23
22
21
20
19
18
17
16
15
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
Drain Eff
Gain
30
32
34
36
38
40
42
44
46
48
50
52
30
32
34
36
38
40
42
44
46
48
50
52
Output Power (dBm)
Output Power (dBm)
Input Return Loss vs. Output Power (f = 900MHz)
Small Signal Performance vs. Frequency, Pout = 30dBm
(Pulsed 10% duty cycle, 10uS, Vd = 48V, Idq = 300mA)
(Vd = 48V, Idq = 300mA)
0
-2
23
0
-2
22
21
20
19
18
17
16
15
14
13
Fixed tuned test circuit
-4
-4
IRL
-6
-6
-8
-8
-10
-12
-14
-16
-18
-20
-10
-12
-14
-16
-18
-20
Gain
IRL
30
32
34
36
38
40
42
44
46
48
50
52
880
890
900
910
920
Output Power (dBm)
Frequency (MHz)
Drain Efficiency vs. Frequency, Pout = 49.5dBm
Gain/IRL vs. Frequency, Pout = 49.5dBm
(CW, Vd = 48V, Idq = 300mA)
(CW, Vd = 48V, Idq = 300mA)
75
73
71
69
67
65
21
20
19
18
17
16
15
14
13
12
11
0
-2
Fixed tuned test circuit
Fixed tuned test circuit
-4
-6
-8
-10
-12
-14
-16
-18
-20
Gain
IRL
Eff
880
890
900
Frequency (MHz)
910
920
880
890
900
910
920
Frequency (MHz)
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
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DS120306
RFMD [ RF MICRO DEVICES ]
