Electrical characteristics
A3M39SL039 Airfast Power Amplifier Module with Autobias Control, Rev. 0, March 2022
Data Sheet: Technical Data
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2.2.2 Functional tests
Table 7. Functional tests
Characteristic
Symbol
Min
Typ
Max
Unit
Functional Tests — 3700 MHz
1
(In NXP Doherty Production ATE
2
Test Fixture, 50 ohm system) V
DD
= 30 Vdc, Nominal
DAC Settings, Tx_EN = High, P
out
= 8 W Avg., 1-tone CW, f = 3700 MHz.
Gain
G
26.0
28.3
—
dB
Drain Efficiency
η
D
29.0
34.3
—
%
P
out
@ 3 dB Compression Point
P3dB
45.8
47.0
—
dBm
Functional Tests — 3980 MHz
1
(In NXP Doherty Production ATE
2
Test Fixture, 50 ohm system) V
DD
= 30 Vdc, Nominal
DAC Settings, Tx_EN = High, P
out
= 8 W Avg., 1-tone CW, f = 3980 MHz.
Gain
G
25.5
27.6
—
dB
Drain Efficiency
η
D
28.0
34.0
—
%
P
out
@ 3 dB Compression Point
P3dB
45.8
47.0
—
dBm
2.2.3 Wideband ruggedness
Table 8. Wideband ruggedness
Characteristic
Symbol
Min
Typ
Max
Unit
Wideband Ruggedness
3
(In NXP Doherty Power Amplifier Module Reference Circuit, 50 ohm system) Nominal DAC
Settings, Tx_EN = High, f = 3840 MHz, Additive White Gaussian Noise (AWGN) with 10 dB PAR
ISBW of 400 MHz at 30 Vdc, 3 dB Input Overdrive from 8 W
Avg. Modulated Output Power
No Device Degradation
2.2.4 Typical performance
Table 9. Typical performance
Characteristic
Symbol
Min
Typ
Max
Unit
Typical Performance
3
(In NXP Doherty Power Amplifier Module Reference Circuit, 50 ohm system) V
DD
= 30
Vdc, Nominal
DAC Settings, Tx_EN = High, P
out
= 8 W Avg., 3840 MHz
VBW Resonance Point, 2-tone, 1 MHz Tone Spacing
(IMD Third Order Intermodulation Inflection Point)
VBW
res
—
280
—
MHz
1-carrier 20 MHz LTE, 8 dB Input Signal PAR
Gain
G
—
28.0
—
dB
Power Added Efficiency
PAE
—
34.0
—
%
Adjacent Channel Power Ratio
ACPR
—
–35.0
—
dBc
Adjacent Channel Power Ratio
ALT1
—
–44.4
—
dBc
Adjacent Channel Power Ratio
ALT2
—
–51.5
—
dBc
Gain Flatness
4
G
F
—
0.7
—
dB
Fast CW, 27 ms Sweep
P
out
@ 3 dB Compression Point
P3dB
—
47.0
—
dBm
AM/PM @ P3dB
Φ
—
–20
—
°
Gain Variation @ Avg. Power over Temperature
(–40
°
C to +105
°
C)
ΔG
—
0.035
—
dB/
°
C
P3dB Variation over Temperature
(–40
°
C to +105
°
C)
P3dB
—
0.013
—
dB/
°
C
1. Part input and output matched to 50 ohms.
2. ATE is a socketed test environment.
3. All data measured in fixture with device soldered in NXP reference circuit.
4. Gain flatness = Max(G(f
Low
to f
High
)) – Min(G(f
Low
to f
High
))