LMH2110_15 Datasheet, PDF (12/36 Pages) Texas Instruments – LMH2110 8-GHz Logarithmic RMS Power Detector with 45-dB Dynamic Range

LMH2110
SNWS022D – JANUARY 2010 – REVISED JUNE 2015
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Typical Characteristics (continued)
Unless otherwise specified: T_A = 25°C, V_BAT = 2.7 V, RF_IN = 1900 MHz CW (Continuous Wave, unmodulated). Specified
errors are input referred.
2.0
2.0
1.5
-40°C
1.0
0.5
1.5
1.0
25°C
85°C
0.5
0.0
0.0
-0.5
-1.0
85°C
-1.5
-0.5
-40°C
-1.0
-1.5
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 19. Temperature Variation (50 Units) vs.
RF Input Power at 900 MHz
2.0
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 20. 1-dB Power Step Error vs.
RF Input Power at 900 MHz
1.5
1.5
1.0
85°C
0.5
0.0
-0.5
-40°C
-1.0
-1.5
-2.0
-40 -35 -30 -25 -20 -15 -10 -5 0
RF INPUT POWER (dBm)
Figure 21. 10 dB Power Step Error vs.
RF Input Power at 900 MHz
1.5
20MHz, 100RB
1.0
0.5
LTE, QPSK
0.0
1.0
0.5
W-CDMA, REL8
0.0
W-CDMA, REL6
-0.5
W-CDMA, REL7
-1.0
-1.5
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 22. W-CDMA Variation vs.
RF Input Power at 900 MHz
2.4
3
2.0
2
1.6
-40°C _25°C
1
1.2
0
-0.5
LTE, 16QAM
-1.0
LTE, 64QAM
-1.5
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 23. LTE Variation vs.
RF Input Power at 900 MHz
0.8
-1
85°C
0.4
-2
0.0
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 24. Output Voltage and Log Conformance Error vs.
RF Input Power at 1900 MHz
12
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