LMH2110 Datasheet, PDF (13/33 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.
10 dB Power Step Error vs.
RF Input Power at 1900 MHz
2.0
W-CDMA Variation vs.
RF Input Power at 1900 MHz
1.5
1.5
1.0
85°C
0.5
1.0
W-CDMA, REL8
0.5
0.0
0.0
-0.5
-40°C
-1.0
-1.5
W-CDMA, REL6
-0.5
W-CDMA, REL7
-1.0
-2.0
-40 -35 -30 -25 -20 -15 -10 -5 0
RF INPUT POWER (dBm)
Figure 33.
-1.5
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 34.
LTE Input referred Variation vs.
RF Input Power at 1900 MHz
1.5
20MHz, 100RB
1.0
0.5
LTE, QPSK
0.0
Output Voltage and Log Conformance Error vs.
RF Input Power at 3500 MHz
2.4
3
2.0
2
-40°C
1.6
25°C
1
1.2
0
-0.5
-1.0
-1.5
-40
LTE, 16QAM
LTE, 64QAM
-30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 35.
0.8
-1
85°C
0.4
-2
0.0
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 36.
Log Conformance Error (50 units) vs.
RF Input Power at 3500 MHz
3
2
-40°C
1
0
-1
85°C
-2
-3
-40 -30 -20 -10
0
10
RF INPUT POWER (dBm)
Figure 37.
Temperature Variation vs.
RF Input Power at 3500 MHz
2.0
1.5
1.0
-40°C
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 38.
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