6
RF Device Data
Freescale Semiconductor
MRF7S38040HR3 MRF7S38040HSR3
TYPICAL CHARACTERISTICS
IRL, INPUT RETURN LOSS (dB)
ACPR (dBc)
3400
f, FREQUENCY (MHz)
Figure 3. WiMAX Broadband Performance @ Pout
= 8 Watts Avg.
?24
?12
?16
?20
11.5
15.5
?55
16
14
12
?49
?51
η
D
, DRAIN
EFFICIENCY (%)
G
ps
, POWER GAIN (dB)
15
14.5
14
13.5
13
12.5
3425 3450 3475 3500 36003525 3550 3575
10
?53
?28
IRL
Gps
ηD
ACPR?L
ACPR?U
12
?47
IRL, INPUT RETURN LOSS (dB)
ACPR (dBc)
3400
f, FREQUENCY (MHz)
Figure 4. WiMAX Broadband Performance @ Pout
= 14 Watts Avg.
?24
?12
?16
?20
11
15
?46
22
20
18
?40
?42
η
D
, DRAIN
EFFICIENCY (%)
G
ps
, POWER GAIN (dB)
14.5
14
13.5
13
12.5
3425 3450 3475 3500 36003525 3550 3575
16
?44
?28
IRL
Gps
ηD
ACPR?L
ACPR?U
12
VDD= 30 Vdc, Pout
= 14 W (Avg.)
3/4,
4 Bursts
IDQ
= 450 mA, 802.16d, 64 QAM
7 MHz Channel Bandwidth, Input Signal PAR = 9.5 dB
@ 0.01% Probability on CCDF
?38
Figure 5. Two-Tone Power Gain versus
Output Power
9
16
IDQ
= 675 mA
1
Pout, OUTPUT POWER (WATTS) PEP
337.5 mA
14
562.5 mA
13
11
10 100
G
ps
, POWER GAIN (dB)
VDD
= 30 Vdc, I
DQ
= 450 mA
f1 = 3495
MHz, f2 = 3505 MHz
Two?Tone Measurements, 10 MHz Tone Spacing
12
15
450 mA
225 mA
Figure 6. Third Order Intermodulation Distortion
versus Output Power
IDQ
= 225 mA
Pout, OUTPUT POWER (WATTS) PEP
337.5 mA
10
?20
?30
?40
?50
1
INTERMODULATION DISTORTION (dBc)
IMD, THIRD ORDER
100
?10
VDD
= 30 Vdc, I
DQ
= 450 mA
f1 = 3495
MHz, f2 = 3505 MHz
Two?Tone Measurements, 10 MHz Tone Spacing
675 mA
450 mA
11.5
10
562.5 mA
VDD= 30 Vdc, Pout
= 8 W (Avg.)
3/4,
4 Bursts
IDQ
= 450 mA, 802.16d, 64 QAM
7 MHz Channel Bandwidth, Input Signal PAR = 9.5 dB
@ 0.01% Probability on CCDF
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