Table 5. Electrical Characteristics (T A = 25 ° C unless otherwise noted) (continued)
Typical Broadband Performance (1) (In Freescale Test Fixture, 50 ohm system) V DD = 28 Vdc, I DQ1A = 70 mA, I DQ1B = 160 mA, I DQ2B =
500 mA, V GS2A = 1.7 Vdc, P out = 30 W Avg., Single--Carrier W--CDMA, IQ Magnitude Clipping, Input Signal PAR = 7.5 dB @ 0.01%
Probability on CCDF. ACPR measured in 3.84 MHz Channel Bandwidth @ ± 5 MHz Offset.
Frequency
1805 MHz
1840 MHz
1880 MHz
G ps
(dB)
25.7
25.7
25.8
PAE
(%)
36.7
36.3
35.3
Output PAR
(dB)
6.9
6.9
6.7
(In Freescale Doherty Test Fixture, 50 ohm system) V DD = 28 Vdc, I DQ1A = 70 mA, I DQ1B = 160 mA,
Typical Performances
(1)
I DQ2B = 500 mA, V GS2A = 1.7 Vdc, 1805--1880 MHz Bandwidth
Characteristic
P out @ 1 dB Compression Point, CW
IMD Symmetry @ 30 W PEP, P out where IMD Third Order
Intermodulation ? 30 dBc
(Delta IMD Third Order Intermodulation between Upper and Lower
Symbol
P1dB
IMD sym
Min
Typ
120
15
Max
Unit
W
MHz
Sidebands > 2 dB)
VBW Resonance Point
(IMD Third Order Intermodulation Inflection Point)
Gain Flatness in 75 MHz Bandwidth @ P out = 30 W Avg.
VBW res
G F
35
0.3
MHz
dB
Quiescent Current Accuracy over Temperature
with 2 k ? Gate Feed Resistors (--30 to 85 ° C) (2)
Gain Variation over Temperature
(--30 ° C to +85 ° C)
Output Power Variation over Temperature
(--30 ° C to +85 ° C)
Stage 1
Stage 2
? I QT
? G
? P1dB
4.26
5.04
0.04
0.04
%
dB/ ° C
dBm/ ° C
1. Measurement made with device in a Symmetrical Doherty configuration.
2. Refer to AN1977, Quiescent Current Thermal Tracking Circuit in the RF Integrated Circuit Family and to AN1987, Quiescent Current Control
for the RF Integrated Circuit Device Family . Go to http://www.freescale.com/rf. Select Documentation/Application Notes -- AN1977 or
AN1987.
MD7IC18120NR1 MD7IC18120GNR1
4
RF Device Data
Freescale Semiconductor
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