TYPICAL CHARACTERISTICS
37
PAE
36
Gps
35
50
40
VDD = 28 Vdc, Pout = 25 W (Avg.)
IDQ1A = IDQ1B = 80 mA, IDQ2A = 550 mA
VG2B = 2.3 Vdc
30
34 Single−Carrier W−CDMA, 3.84 MHz
Channel Bandwidth, Input Signal PAR = 7.5 dB
@ 0.01% Probability on CCDF
33
20
0
−30
−1
PARC
32
ACPR
−35
−2
31
−40
−3
710 720 730 740 750 760 770 780 790
f, FREQUENCY (MHz)
Figure 5. Output Peak - to - Average Ratio Compression (PARC)
Broadband Performance @ Pout = 25 Watts Avg.
−10
VDD = 28 Vdc, Pout = 90 W (PEP), IDQ1A = IDQ1B = 80 mA
IDQ2A = 550 mA, VG2B = 2.3 Vdc, Two−Tone Measurements
−20 (f1 + f2)/2 = Center Frequency of 748 MHz
IM3−U
−30
IM3−L
−40
IM5−U
IM5−L
−50
−60
1
IM7−L
IM7−U
10
100
TWO−TONE SPACING (MHz)
Figure 6. Intermodulation Distortion Products
versus Two - Tone Spacing
50
1
60
−20
PAE
45
0
50
−25
40
−1
−1 dB = 28.1 W
ACPR
40
−30
−2 dB = 44.1 W
35
−2
−3 dB = 61.1 W 30
−35
Gps
30
−3
20
−40
VDD = 28 Vdc, IDQ1A = IDQ1B = 80 mA
PARC
25
−4
IDQ2A = 550 mA, VG2B = 2.3 Vdc, f = 748 MHz
10
−45
Single−Carrier W−CDMA, 3.84 MHz Channel Bandwidth
Input Signal PAR = 7.5 dB @ 0.01% Probability on CCDF
20
−5
0
−50
15
30
45
60
75
90
Pout, OUTPUT POWER (WATTS)
Figure 7. Output Peak - to - Average Ratio
Compression (PARC) versus Output Power
RF Device Data
Freescale Semiconductor
MDE6IC7120NR1 MDE6IC7120GNR1
7