LMH2110 Datasheet, PDF (11/33 Pages) National Semiconductor (TI) – 8 GHz Logarithmic RMS Power Detector with 45 dB Dynamic Range

LMH2110
www.ti.com
SNWS022C – JANUARY 2010 – REVISED MARCH 2013
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.
Log Conformance Error (50 units) vs.
RF Input Power at 900 MHz
3
Temperature Variation vs.
RF Input Power at 900 MHz
2.0
2
-40°C
1
1.5
-40°C
1.0
0.5
0
0.0
-1
85°C
-2
-0.5
85°C
-1.0
-1.5
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 21.
-2.0
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 22.
Temperature Variation (50 units) vs.
RF Input Power at 900 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 23.
1 dB Power Step Error vs.
RF Input Power at 900 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 24.
10 dB Power Step Error vs.
RF Input Power at 900 MHz
2.0
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 25.
W-CDMA Variation vs.
RF Input Power at 900 MHz
1.5
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 26.
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