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STQ-2016-3 Datasheet(PDF) 6 Page - SIRENZA MICRODEVICES

Part No. STQ-2016-3
Description  700-2500 MHz Direct Quadrature Modulator
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Maker  SIRENZA [SIRENZA MICRODEVICES]
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STQ-2016-3 Datasheet(HTML) 6 Page - SIRENZA MICRODEVICES

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303 S. Technology Court, Broomfield, CO 80021
Phone: (800) SMI-MMIC
http://www.sirenza.com
6
EDS-104229 Rev B
STQ-2016-3 Direct Quadrature Modulator
Signal-to-Noise Ratio
6
4
20
2
4
6
8
13 5
13 7
13 9
14 1
14 3
14 5
14 7
14 9
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.
LO Drive Level (dBm)
1
1.5
2
2.5
3
3.5
4
13 5
13 7
13 9
14 1
14 3
14 5
14 7
14 9
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
IQ Dr ive Level (V pp, Diff.)
Figure 7. Signal-to-Noise Ratio Vs. LO Drive Level, LO
Frequency = 2140 MHz.
Figure 8. Signal-to-Noise Ratio Vs. I/Q Drive Level, LO
Frequency = 2140 MHz.
4 .7
4 .8
4.9
5
5 .1
5 .2
141
142
143
144
145
I/Q Drive = 1.5 Vpp, Diff.
I/Q Drive = 1.7 Vpp, Diff.
I/Q Drive = 1.9 Vpp, Diff.
Vcc (Vdc)
1.4
1.5
1.6
1.7
1.8
1.9
141
142
143
144
145
Vcc = 4.75 V
Vcc = 5.00 V
Vcc = 5.25 V
IQ Drive Level (Vpp, Diff.)
Figure 9. Signal-to-Noise Ratio Vs. Vcc, LO Drive = +4.0
dBm @ 2140 MHz.
Figure 10. Signal-to-Noise Ratio Vs. I/Q Drive Level, over Vcc
Range, LO Drive = +4.0 dBm @ 2140 MHz.
50
25
0
255075
100
141
142
143
144
145
146
I/Q Drive = 1.5 Vpp, Diff.
I/Q Drive = 1.7 Vpp, Diff.
I/Q Drive = 1.9 Vpp, Diff.
Temperature (Deg. C)
1.4
1.5
1.6
1.7
1.8
1.9
141
142
143
144
145
146
Temp = -40 Deg. C
Temp = +25 Deg. C
Temp = +85 Deg. C
IQ Drive Level (Vpp, Diff.)
Figure 11. Signal-to-Noise Ratio Vs. Temperature, LO
Drive = +4.0 dBm @ 2140 MHz.
Figure 12. Signal-to-Noise Ratio Vs. I/Q Drive Level, over
Temperature, LO Drive = +4.0 dBm @ 2140 MHz.
Typical Device Performance Graphs
Baseband Signal: W-CDMA Test Model 1 w/ 64 DPCH,
Peak-to-Average Ratio = 10.54


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