MRF21045 Datasheet, PDF (7/12 Pages) Motorola, Inc – RF Power Field Effect Transistors

Freescale Semiconductor, Inc.
TYPICAL CHARACTERISTICS
16
I_DQ = 700 mA
15.5
600 mA
15 ^{500 mA}
400 mA
14.5
300 mA
14
4
6
V_DD = 28 Vdc
f1 = 2135 MHz
f2 = 2145 MHz
8 10
30
P_out, OUTPUT POWER (WATTS) PEP
50 60
Figure 9. Two-Tone Power Gain versus
Output Power
40
−10
IRL
35
−15
η
30
−20
V_DD = 28 Vdc
P_out = 45 W (PEP)
25 _{IDQ = 500 mA}
−25
f1 = f − 5 MHz, f2 = f + 5 MHz
20
−30
IMD
15
−35
G_ps
10
−40
2090
2110
2130
2150
2170
2190
f, FREQUENCY (MHz)
Figure 10. Two-Tone Broadband Performance
−25
3rd Order
−30
−35
V_DD = 28 Vdc
P_out = 45 W (PEP)
I_DQ = 500 mA
−40 f1 = 2140 MHz − Df/2, f2 = 2140 MHz + Df/2
5th Order
−45
−50 ^{7th Order}
−55
0.1
1
10
30
Df, TONE SEPARATION (MHz)
Figure 11. Intermodulation Distortion
Products versus Two - Tone Spacing
0
f1
f2
−10
3.84 MHz BW 3.84 MHz BW
−20
−ACPR @
−30 ^{3.84 MHz BW}
+ACPR @
3.84 MHz BW
−40
−50
−60
−IM3 @
−70 ^{3.84 MHz BW}
−20 −15 −10
−5 0
5
f, FREQUENCY (MHz)
+IM3 @
3.84 MHz BW
10 15 20
Figure 12. 2-Carrier W-CDMA Spectrum
MOTOROLA RF DEVICE DATA
MRF21045LR3 MRF21045LSR3
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Go to: www.freescale.com
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