LMH2110 Datasheet, PDF (12/33 Pages) National Semiconductor (TI) – 8 GHz Logarithmic RMS Power Detector with 45 dB Dynamic Range

LMH2110
SNWS022C – JANUARY 2010 – REVISED MARCH 2013
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Typical Performance Characteristics (continued)
Unless otherwise specified: T_A = 25°C, V_BAT = 2.7V, RFin = 1900 MHz CW (Continuous Wave, unmodulated). Specified errors
are input referred.
LTE Variation vs.
RF Input Power at 900 MHz
1.5
20MHz, 100RB
Output Voltage and Log Conformance Error vs.
RF Input Power at 1900 MHz
2.4
3
1.0
2.0
2
0.5
LTE, QPSK
1.6
-40°C _25°C
1
0.0
1.2
0
-0.5
-1.0
-1.5
-40
LTE, 16QAM
LTE, 64QAM
-30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 27.
0.8
-1
85°C
0.4
-2
0.0
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 28.
Log Conformance Error (50 units) vs.
RF Input Power at 1900 MHz
3
2
-40°C
1
0
-1
85°C
-2
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 29.
Temperature Variation vs.
RF Input Power at 1900 MHz
2.0
1.5
1.0
-40°C
0.5
0.0
-0.5
85°C
-1.0
-1.5
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 30.
Temperature Variation (50 units) vs.
RF Input Power at 1900 MHz
2.0
1.5
-40°C
1.0
0.5
0.0
-0.5
-1.0
85°C
-1.5
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 31.
1 dB Power Step Error vs.
RF Input Power at 1900 MHz
2.0
1.5
1.0
25°C
85°C
0.5
0.0
-0.5
-40°C
-1.0
-1.5
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 32.
12
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