6
RF Device Data
Freescale Semiconductor
MRF7S19120NR1
TYPICAL CHARACTERISTICS
2040
1880 19801900 20201920
1940
1960
2000
G
ps
, POWER GAIN (dB)
2040
1880
IRL
Gps
PARC
f, FREQUENCY (MHz)
Figure 3. Output Peak--to--Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 36 Watts Avg.
VDD=28Vdc,Pout
=36W(Avg.),IDQ
= 1200 mA
Single--Carrier W--CDMA, 3.84 MHz Channel Bandwidth
Input Signal PAR = 7.5 dB @ 0.01% Probability on
CCDF
1900 20201980
2000
1940
1920
18.4
18
-- 3
36
35
34
33
32
-- 0 . 5
-- 1
-- 1 . 5
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
-- 2 0
-- 4
-- 8
-- 1 2
-- 1 6
η
D
, DRAIN
EFFICIENCY (%)
1960
G
ps
, POWER GAIN (dB)
IRL
Gps
f, FREQUENCY (MHz)
Figure 4. Output Peak--to--Average Ratio Compression (PARC)
Broadband Performance @ Pout
= 59 Watts Avg.
VDD=28Vdc,Pout
=59W(Avg.),IDQ
= 1200 mA
Single--Carrier W--CDMA, 3.84 MHz Channel Bandwidth
Input Signal PAR = 7.5 dB @ 0.01% Probability on
CCDF
ηD
IRL, INPUT RETURN LOSS (dB)
PARC (dB)
η
D
, DRAIN
EFFICIENCY (%)
Figure 5. Two--Tone Power Gain versus
Output Power
10 300100
14
19
1
IDQ
= 1800 mA
1500 mA
Pout, OUTPUT POWER (WATTS) PEP
VDD
= 28 Vdc, f1 = 1955 MHz, f2 = 1965 MHz
Two--Tone Measurements, 10 MHz Tone Spacing
600 mA
1200 mA
18
17
16
G
ps
, POWER GAIN (dB)
Figure 6. Third Order Intermodulation Distortion
versus Output Power
-- 1 0
IDQ
= 600 mA
Pout, OUTPUT POWER (WATTS) PEP
1200 mA
900 mA
1500 mA
10
-- 2 0
-- 3 0
-- 4 0
100
-- 6 0
-- 5 0
VDD
= 28 Vdc, f1 = 1955 MHz, f2 = 1965 MHz
Two--Tone Measurements, 10 MHz Tone Spacing
1
INTERMODULATION D
ISTORTION (dBc)
IMD, THIRD ORDER
PARC
900 mA
300
18.3
18.2
18.1
17.9
17.8
17.7
17.6
17.5
17.4
-- 2
-- 2 . 5
0
-- 2 0
-- 4
-- 8
-- 1 2
-- 1 6
0
17.6
16.8
-- 4 . 5
45
44
43
42
41
-- 2
-- 2 . 5
-- 3
17.4
17.2
17
16.6
16.4
16.2
16
15.8
15.6
-- 3 . 5
-- 4
15
350 mA
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