LMH2120_15 Datasheet, PDF (11/34 Pages) Texas Instruments – LMH2120 6 GHz Linear RMS Power Detector with 40 dB Dynamic Range

LMH2120
www.ti.com
SNWS021C – JULY 2010 – REVISED FEBRUARY 2013
Typical Performance Characteristics (continued)
Unless otherwise specified T_A = 25°C, V_BAT = 2.7V, RF_IN = 1900 MHz CW (Continuous Wave, unmodulated). Specified errors
are input referred.
10 dB Power Step Error vs.
RF Input Power at 900 MHz
2.0
W-CDMA variation
vs.
RF Input Power at 900 MHz
1.5
1.5
1.0
85°C
0.5
1.0
0.5
W-CDMA, REL8
0.0
-0.5
-40°C
-1.0
-1.5
0.0
W-CDMA, REL6
-0.5
W-CDMA, REL7
-1.0
-2.0
-50 -40 -30 -20 -10
0
RF INPUT POWER (dBm)
Figure 29.
-1.5
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 30.
LTE variation
vs.
RF Input Power at 900 MHz
1.5
20 MHz, 100 RB
1.0
Output Voltage
vs.
RF Input Power at 1900 MHz
10
0.5
1
LTE, QPSK
0.0
-0.5
-1.0
-1.5
-50
LTE, 16 QAM
LTE, 64 QAM
-40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 31.
0.1
85°C
25°C
-40°C
0.01
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 32.
Lin Conformance
vs.
RF Input Power at 1900 MHz
3
2
1
85°C
25°C
0
-1
-40°C
-2
-3
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 33.
Lin Conformance (50 units) vs.
RF Input Power at 1900 MHz
3
2
1
85°C
0
-1
-40°C
-2
-3
-50 -40 -30 -20 -10 0 10
RF INPUT POWER (dBm)
Figure 34.
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