STQ-2016-3Z Ver la hoja de datos (PDF) - Sirenza Microdevices => RFMD
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STQ-2016-3Z Datasheet PDF : 16 Pages
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Typical Device Performance Graphs
Baseband Signal: W-CDMA Test Model 1 w/ 64 DPCH,
STQ-2016-3 Direct Quadrature Modulator
Peak-to-Average Ratio = 10.54
Signal-to-Noise Ratio
14 9
14 7
14 5
14 3
14 1
13 9
13 7
13 5
6
4
2
0
2
4
6
8
LO Drive Level (dBm)
I/Q Drive = 1 Vpp, D iff.
I/Q Drive = 2 Vpp, D iff.
I/Q Drive = 3 Vpp, D iff.
I/Q Drive = 4 Vpp, D iff.
Figure 7. Signal-to-Noise Ratio Vs. LO Drive Level, LO
Frequency = 2140 MHz.
14 9
14 7
14 5
14 3
14 1
13 9
13 7
13 5
1
1.5
2
2.5
3
3.5
4
IQ Drive Level (V pp, Diff.)
LO D rive = -5 dBm
LO D rive = -2 dBm
LO D rive = -1 dBm
LO D rive = +4 dB m
LO D rive = +7 dB m
Figure 8. Signal-to-Noise Ratio Vs. I/Q Drive Level, LO
Frequency = 2140 MHz.
1 45
1 45
1 44
1 44
1 43
1 43
1 42
1 42
1 41
4 .7
4 .8
4 .9
5
5 .1
5 .2
Vcc (Vdc)
I/Q Drive = 1.5 Vpp, Diff.
I/Q Drive = 1.7 Vpp, Diff.
I/Q Drive = 1.9 Vpp, Diff.
Figure 9. Signal-to-Noise Ratio Vs. Vcc, LO Drive = +4.0
dBm @ 2140 MHz.
1 41
1 .4
1 .5
1 .6
1 .7
1 .8
1 .9
IQ Drive Level (Vpp, Diff.)
Vcc = 4.75 V
Vcc = 5.00 V
Vcc = 5.25 V
Figure 10. Signal-to-Noise Ratio Vs. I/Q Drive Level, over Vcc
Range, LO Drive = +4.0 dBm @ 2140 MHz.
1 46
1 46
1 45
1 45
1 44
1 44
1 43
1 43
1 42
1 42
1 41
50
25
0
25
50
Temperature (Deg. C)
I/Q Drive = 1.5 Vpp, Diff.
I/Q Drive = 1.7 Vpp, Diff.
I/Q Drive = 1.9 Vpp, Diff.
75
1 00
Figure 11. Signal-to-Noise Ratio Vs. Temperature, LO
Drive = +4.0 dBm @ 2140 MHz.
1 41
1 .4
1 .5
1 .6
1 .7
1 .8
1 .9
IQ Drive Level (Vpp, Diff.)
Temp = -40 Deg. C
Temp = +25 Deg. C
Temp = +85 Deg. C
Figure 12. Signal-to-Noise Ratio Vs. I/Q Drive Level, over
Temperature, LO Drive = +4.0 dBm @ 2140 MHz.
303 S. Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
6
http://www.sirenza.com
EDS-104229 Rev B
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