8
RF Device Data
Freescale Semiconductor
MRF7S18170HR3 MRF7S18170HSR3
TYPICAL CHARACTERISTICS
G
ps
, POWER GAIN (dB)
1940
1760
IRL
Gps
PARC
f, FREQUENCY (MHz)
Figure 5. Output Peak--to--Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 50 Watts Avg.
VDD=28Vdc,Pout
=50W(Avg.),IDQ
= 1400 mA
Single--Carrier W--CDMA, 3.84 MHz Channel
Bandwidth, PAR = 7.5
dB @ 0.01%
Probability (CCDF)
1780 19001840
1860
1880
1820
1800
10
18
17
16
15
14
13
12
11
-- 3 . 1
36
34
32
30
28
-- 1
-- 1 . 7
-- 2 . 4
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
-- 1 7
-- 5
-- 8
-- 11
-- 1 4
η
D
, DRAIN
EFFICIENCY (%)
G
ps
, POWER GAIN (dB)
1940
1760
IRL
Gps
PARC
f, FREQUENCY (MHz)
Figure 6. Output Peak--to--Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 80 Watts Avg.
VDD=28Vdc,Pout
=80W(Avg.)
IDQ
= 1400 mA, Single--Carrier W--CDMA
1780 19001860
1880
1820
1800
10
18
17
16
15
14
13
12
11
-- 4 . 8
46
44
42
40
38
-- 2 . 7
-- 3 . 4
-- 4 . 1
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
-- 1 7
-- 5
-- 8
-- 11
-- 1 4
η
D
, DRAIN
EFFICIENCY (%)
1840
Figure 7. Two--Tone Power Gain versus
Output Power
10 400100
19
1
IDQ
= 2100 mA
1750 mA
Pout, OUTPUT POWER (WATTS) PEP
VDD
= 28 Vdc, f1 = 1835 MHz, f2 = 1845 MHz
Two--Tone Measurements, 10 MHz Tone Spacing
700 mA
1400 mA
G
ps
, POWER GAIN (dB)
Figure 8. Third Order Intermodulation Distortion
versus Output Power
-- 1 0
Pout, OUTPUT POWER (WATTS) PEP
10
-- 2 0
-- 3 0
-- 4 0
100
-- 6 0
-- 5 0
VDD
= 28 Vdc, f1 = 1835 MHz, f2 = 1845 MHz
Two--Tone Measurements, 10 MHz Tone Spacing
1
INTERMODULATION D
ISTORTION (dBc)
IMD, THIRD ORDER
400
3.84 MHz Channel Bandwidth
PAR = 7.5 dB @ 0.01% Probability (CCDF)
1920
1920
1050 mA
18
17
16
15
14
IDQ
= 700 mA
1750 mA
1400 mA
1050 mA
2100 mA
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