MRF21085 Datasheet, PDF (7/12 Pages) Motorola, Inc – RF Power Field Effect Transistors

Freescale Semiconductor, Inc.
TYPICAL CHARACTERISTICS
14.5
I_DQ = 1300 mA
1150 mA
14
1000 mA
850 mA
13.5
700 mA
13
12.5
4
10
V_DD = 28 Vdc
f1 = 2135 MHz
f2 = 2145 MHz
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 9. Two-Tone Power Gain versus
Output Power
40
− 10
IRL
35 _η
− 15
30 ^{VDD = 28 Vdc}
− 20
P_out = 90 W (PEP)
I_DQ = 1000 mA
25 _{10 MHz Tone Spacing}
− 25
20 ^IMD
− 30
15 G_ps
− 35
10
− 40
2095 2110
2125
2140
2155
2170 2185
f, FREQUENCY (MHz)
Figure 10. Two-Tone Broadband Performance
− 20
V_DD = 28 Vdc
−25 ^IDQ ^{= 1000 mA}
f = 2140 MHz
−30 _{3rd Order}
− 35
− 40
5th Order
− 45
7th Order
− 50
− 55
0.1
1
10
30
Df, TONE SPACING (kHz)
Figure 11. Intermodulation Distortion Products
versus Two - Tone Spacing
0
f1
f2
3.84 MHz BW 3.84 MHz BW
− 10
− 20
−ACPR @
3.84 MHz BW
− 30
+ACPR @
3.84 MHz BW
− 40
− 50
− 60
−IM3 @
−70 ^{3.84 MHz BW}
−20 −15 −10 −5
0
+IM3 @
3.84 MHz BW
5 10 15 20
f, FREQUENCY (MHz)
Figure 12. 2-Carrier W-CDMA Spectrum
MOTOROLA RF DEVICE DATA
MRF21085R3 MRF21085SR3 MRF21085LSR3
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Go to: www.freescale.com
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