GA1085MC 查看數據表（PDF） - TriQuint Semiconductor
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GA1085MC Datasheet PDF : 10 Pages
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GA1085
Switching Waveforms
Figure 3. General Timing
REFCLK
tCPW
tCPW
t PD1,2
FBIN
Q0 – Q10
(INDIVIDUALLY)
t PERIOD
t JP
Figure 4. tSKEW1
Group A
Group A
Group B
Group B
Group C
Group C
t SKEW1 t SKEW1
t SKEW1
t SKEW1
t SKEW1
t SKEW1
Figure 5. tSKEW2
Group B
Group A
t SKEW2
Figure 6. tSKEW3
(For Group B Feedback)
f = 2x fREF
t JR
Group A
Period =
1
f REFCLK
t1
t SKEW3 =
Period
2
– t1
(For Group A or B Feedback)
Group A
Group C
Group B
Group C
t4
t SKEW3 = n – t4
t4
t SKEW3 = n – t4
Note:“n” is the phase-shift increment: 2t, t, –t, –2t.
Figure 7. tSKEW4
f = fREF
Groups B, C
Period =
1
f REFCLK
t2
f = 2x fREF
Group A
t3
t4
t SKEW4 =
Period
2
–
t2
=
Period
4
–
t3
=
Period
4
– t4
6
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