mrf9045l Freescale Semiconductor, Inc, mrf9045l Datasheet - Page 5

• Manufacturer Part Number: mrf9045l
• Description: Rf Power Field Effect Transistors
• Manufacturer: Freescale Semiconductor, Inc

RF Device Data
Freescale Semiconductor
−10
−20
−30
−40
−50
−60
−70
−80
−90
20.0
19.5
19.0
18.5
18.0
17.5
17.0
16.5
0.5
Figure 6. Intermodulation Distortion Products
0.5
Figure 4. Power Gain versus Output Power
V
I
f1 = 945 MHz
f2 = 945.1 MHz
DQ
DD
= 350 mA
= 28 Vdc
1
3rd Order
5th Order
7th Order
1
400 mA
350 mA
300 mA
I
DQ
P
out
P
= 525 mA
out
versus Output Power
, OUTPUT POWER (WATTS) PEP
, OUTPUT POWER (WATTS) PEP
10
10
20
19
18
17
16
15
14
13
12
Figure 3. Class AB Broadband Circuit Performance
930
V
f1 = 945 MHz
DD
G
= 28 Vdc
ps
IMD
h
935
TYPICAL CHARACTERISTICS
IRL
100
100
940
V
P
I
Two−Tone Measurement,
100 kHz Tone Spacing
DQ
DD
out
f, FREQUENCY (MHz)
= 350 mA
= 45 W (PEP)
= 28 Vdc
945
20
19
18
17
16
15
14
13
0.1
−10
−20
−30
−40
−50
−60
−70
950
0.5
Figure 5. Intermodulation Distortion versus
350 mA
V
f1 = 945 MHz
f2 = 945.1 MHz
Figure 7. Power Gain, Efficiency versus
I
DD
DQ
1
= 28 Vdc
= 300 mA
955
P
out
P
out
, OUTPUT POWER (WATTS) PEP
1
, OUTPUT POWER (WATTS) PEP
960
G
h
Output Power
ps
Output Power
55
50
45
40
−30
−32
−34
−36
−38
400 mA
10
MRF9045LR1 MRF9045LSR1
10
−12
−14
−16
525 mA
V
I
f1 = 945 MHz
DQ
DD
= 350 mA
= 28 Vdc
100
100
70
60
50
40
30
20
10
0
5