HD3SS3412 Datasheet, PDF (7/18 Pages) Texas Instruments – 4-Channel High-Performance Differential Switch

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0 ^m1
-2
-4
-6
-8
-10
-12
-14
HD3SS3412
SLAS828A – FEBRUARY 2012 – REVISED FEBRUARY 2012
TYPICAL PERFORMANCE PLOTS
freq, Hz
m2 _m3
m4
m1
freq=300.0kHz
dB(SDD21)=-0.491
m2
freq= 2.514GHz
dB(SDD21)=-1.221
m3
freq= 3.985GHz
dB(SDD21)=-1.536
m4
freq= 8.331GHz
dB(SDD21)=-2.998
Figure 4. Differential Insertion Loss
5
0
-5
-10
-15
-20
-25 _m5
-30
m7
m6
m5
freq= 329.0kHz
dB(SDD11)=-28.545
m6
freq= 2.514GHz
dB(SDD11)=-13.842
m7
freq= 3.985GHz
dB(SDD11)=-11.177
freq, Hz
Figure 5. Differential Return Loss
-20
-40
-60
-80
m1
-100
-120
m3
m2
m1
freq=300.0kHz
dB(SDD21)=-97.081
m2
freq=2.514GHz
dB(SDD21)=-39.567
m3
freq=3.985GHz
dB(SDD21)=-34.786
freq, Hz
Figure 6. Differential Crosstalk
SOURCE EYE DIAGRAM
0
-20
-40
-60
m1
-80
-100
m2 ^m3
m1
freq=300.0kHz
dB(SDD21)=-74.449
m2
freq=2.514GHz
dB(SDD21)=-22.000
m3
freq=3.985GHz
dB(SDD21)=-18.935
freq, Hz
Figure 7. Differential Off Isolation
A
3.1 Inches Rogers
Microstrip
10Gbps PRBS 2⁷- 1
Vi=0.8Vpp ; Vcm =0V
Figure 8. Source Eye Diagram Test Setup
Oscilloscope
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