TQM879026
0.7-4 GHz ¼W Digital Variable Gain Amplifier
Typical Performance – TQM879026-PCB900
Test conditions unless otherwise noted: VDD =+5V, Temp= +25°C, DSA at max. gain setting
Units
MHz
dB
Parameter
Frequency
Conditions
Typical Values
869
41.0
11.5
14
915
41.0
17
960
40.5
28
Gain
Input Return Loss
Output Return Loss
Output P1dB
Output IP3
dB
22
14
dB
24.4
39.5
1.2
24.1
38.5
1.2
24.1
37.7
1.2
dBm
dBm
dB
Pout= +11 dBm/tone, Δf=1 MHz
Noise figure
Performance Plots – TQM879026-PCB900
Test conditions unless otherwise noted: VDD =+5V, Temp= +25°C, DSA at max. gain setting
Gain vs. Frequency
Input Return Loss vs. Frequency
Output Return Loss vs. Frequency
45
43
41
39
37
35
0
-5
0
-5
Temp.=+25°C
Temp.=+25°C
Temp.=+25°C
-10
-15
-20
-25
-30
-35
-10
-15
-20
-25
860
880
900
920
940
960
860
880
900
920
940
960
860
880
900
920
940
960
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
OIP3 vs. Pout/tone over Frequency
P1dB vs. Frequency
Noise Figure vs. Frequency
42
41
40
39
38
37
36
28
26
24
22
20
18
2
Temp.=+25°C
Temp.=+25°C
Temp.=+25°C
960 MHz
915 MHz
869 MHz
1.5
1
0.5
0
8
9
10
11
12
860
880
900
920
940
960
860
880
900
920
940
960
Pout/tone (dBm)
Frequency (MHz)
Frequency (MHz)
Datasheet: Rev D 11-10-14
Disclaimer: Subject to change without notice
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