6
RF Device Data
Freescale Semiconductor
MRF7S21150HR3 MRF7S21150HSR3
TYPICAL CHARACTERISTICS
G
ps
, POWER GAIN (dB)
2220
2060
IRL
Gps
PARC
f, FREQUENCY (MHz)
Figure 3. Output Peak-to-Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 44 Watts Avg.
VDD= 28 Vdc, Pout
= 44 W (Avg.), I
DQ
= 1350 mA
Single?Carrier W?CDMA, 3.84 MHz Channel Bandwidth
Input Signal PAR = 7.5 dB @ 0.01% Probability (CCDF)
2080 22002160
2180
2120
2100
18
16
?2.5
33
32
31
30
29
0
?0.5
?1
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
?24
?8
?12
?16
?20
η
D
, DRAIN
EFFICIENCY (%)
2140
17.5
17
16.5
15.5
15
14.5
14
13.5
13
?1.5
?2
?4
G
ps
, POWER GAIN (dB)
2220
2060
IRL
Gps
14
PARC
f, FREQUENCY (MHz)
Figure 4. Output Peak-to-Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 75 Watts Avg.
VDD= 28 Vdc, Pout
= 75 W (Avg.), I
DQ
= 1350 mA
Single?Carrier W?CDMA, 3.84 MHz Channel Bandwidth
Input Signal PAR = 7.5 dB @ 0.01% Probability (CCDF)
2080 22002160
2180
2120
2100
18
16
?4.5
42
41
40
39
38
37
?2.5
?3
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
?25
?5
?10
?15
?20
η
D
, DRAIN
EFFICIENCY (%)
2140
17.5
17
16.5
15.5
15
14.5
13.5
?3.5
?4
Figure 5. Two-Tone Power Gain versus
Output Power
10 300100
13
19
1
IDQ
= 2020 mA
1690 mA
Pout, OUTPUT POWER (WATTS) PEP
VDD
= 28 Vdc, f1 = 2135 MHz, f2 = 2145 MHz
Two?Tone Measurements, 10 MHz Tone Spacing
675 mA
1350 mA
18
17
16
G
ps
, POWER GAIN (dB)
15
Figure 6. Third Order Intermodulation Distortion
versus Output Power
?10
IDQ
= 675 mA
Pout, OUTPUT POWER (WATTS) PEP
1350 mA
1690 mA
10
?20
?30
?40
100
?60
?50
VDD
= 28 Vdc, f1 = 2135 MHz, f2 = 2145 MHz
Two?Tone Measurements, 10 MHz Tone Spacing
1
INTERMODULATION DISTORTION (dBc)
IMD, THIRD ORDER
300
13
14
1010 mA
1010 mA
2020 mA
相关PDF资料
MRF7S21170HR5 IC MOSFET RF N-CHAN NI-880
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