LMH6521_16 Datasheet, PDF (8/29 Pages) Texas Instruments – High Performance Dual DVGA

LMH6521
SNOSB47D – MAY 2011 – REVISED MARCH 2013
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Typical Performance Characteristics (continued)
V+ = 5V, Differential V_OUT = 4V_PP, R_L = 200Ω, T_A=25 °C, f_in = 200 MHz, and Maximum Gain (0 Attenuation)
Third Order Harmonic Distortion
Second Order Harmonic Distortion
vs.
vs.
Frequency
Attenuation
-60
T = - 40 °C
T = 25 °C
-70
T = 85 °C
-60
Channel A
-65
Channel B
-70
-75
-80
-80
-85
-90
-90
-100
-110
POUT= 6 dBm
-95
-100
-105
POUT= 6 dBm
50 100 150 200 250 300 350 400
FREQUENCY (MHz)
0 4 8 12 16 20 24 28 32
ATTENUATION (dB, 0 = MAX GAIN)
Figure 10.
Figure 11.
Third Order Harmonic Distortion
vs.
Attenuation
-50
Channel A
-55
Channel B
-60
-65
-70
-75
-80
-85
-90
POUT= 6 dBm
0 4 8 12 16 20 24 28 32
ATTENUATION (dB, 0 = MAX GAIN)
Figure 12.
Second Order Harmonic Distortion
vs.
Frequency
-50
T = - 40 °C
T = 25 °C
-60
T = 85 °C
-70
-80
-90
-100
POUT= 6 dBm
50 100 150 200 250 300 350 400
FREQUENCY (MHz)
Figure 13.
Second Order Harmonic Distortion at 100 MHz
-50
ATT = 0 dB
-55
ATT = 8 dB
ATT = 16 dB
ATT = 24 dB
-60
-65
-70
-75
-80
-85
-90
-4
f = 100 MHz
0 4 8 12 16 20
OUTPUT POWER (dBm)
Figure 14.
Third Order Harmonic Distortion at 100 MHz
-20
ATT = 0 dB
-30
ATT = 8 dB
-40
ATT = 16 dB
ATT = 24 dB
-50
-60
-70
-80
-90
-100
-110
-120
f = 100 MHz
-4 0 4 8 12 16 20
OUTPUT POWER (dBm)
Figure 15.
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