MRF284 查看數據表（PDF） - Motorola => Freescale
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MRF284 Datasheet PDF : 12 Pages
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TYPICAL CHARACTERISTICS
40
14
Pout
35
13
30
12
25
11
20
10
Gpe
15
9
10
8
VDD = 26 Vdc
5
IDQ = 200 mA
7
f = 2000 MHz Single Tone
0
6
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Pin, INPUT POWER (WATTS)
Figure 3. Output Power & Power Gain
versus Input Power
45
4W
40
3W
35
2W
30
25
Pin = 1 W
20
VDD = 26 Vdc
15
IDQ = 200 mA
Single Tone
10
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
f, FREQUENCY (MHz)
Figure 4. Output Power versus Frequency
– 20
VDD = 26 Vdc
– 30
IDQ = 200 mA
f1 = 2000.0 MHz
f2 = 2000.1 MHz
– 40
– 50 3rd Order
5th Order
– 60
7th Order
– 70
– 80
0.1
1.0
10
Pout, OUTPUT POWER (WATTS) PEP
Figure 5. Intermodulation Distortion
versus Output Power
– 20
VDD = 26 Vdc
f1 = 2000.0 MHz
f2 = 2000.1 MHz
– 30
100 mA
– 40 300 mA
– 50
IDQ = 400 mA
200 mA
– 60
0.1
1.0
10
Pout, OUTPUT POWER (WATTS) PEP
Figure 7. Intermodulation Distortion
versus Output Power
12
–10
11
–15
Gpe
10
–20
9
–25
8
–30
Pout = 30 W (PEP)
7
IDQ = 200 mA
f1 = 2000.0 MHz
IMD –35
f2 = 2000.1 MHz
6
–40
16
18
20
22
24
26
28
VDD, DRAIN SUPPLY VOLTAGE (Vdc)
Figure 6. Power Gain and Intermodulation
Distortion versus Supply Voltage
13
IDQ = 400 mA
300 mA
12
200 mA
11
10
9 100 mA
8
0.1
VDD = 26 Vdc
f1 = 2000.0 MHz
f2 = 2000.1 MHz
1.0
10
Pout, OUTPUT POWER (WATTS) PEP
Figure 8. Power Gain versus Output Power
MOTOROLA RF DEVICE DATA
MRF284 MRF284S
5
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