CXB1586AR
Pulse
pattern
generator
VCCE–2V
531.25MHz
50Ω 0.1µF
SDIN
SDIN∗
50Ω 0.1µF
VCCE–2V
Device under test
Oscilloscope
50Ω
TRIG
VCCE–2V
531.25MHz
50Ω
SDOUT
SDOUT∗
REFCLK
VCCE–2V
106.25MHz
(e) TX random jitter measurement circuit
Attenuate
VCCE–2V
CLKOUT
CLKOUT∗
DATAOUT
DATAOUT∗
Random pattern
2 ^ 7-1 or 2 ^ 23-1
Error rate counter
50Ω
1.0625Gbps
50Ω
0.1µF
SDIN
SDIN∗
0.1µF
VCCE–2V
Device under test
CLKIN
DATAIN
50Ω
VCCE–2V
Pulse
pattern
generator
1.0625Gbps
50Ω
SDOUT
SDOUT∗
VCCE–2V
106.25MHz
REFCLK
parallel data
10bit
RX0-9
TX0-9
parallel data
10bit
RX0-9
TX0-9
(f) Error rate measurement circuit
VCCE–2V
CLKOUT
Jitter analyzer
Pulse
pattern
generator
50Ω
531.25MHz
50Ω
0.1µF
SDIN
SDIN∗
0.1µF
VCCE–2V
Device under test
parallel data
10bit
RX0-9
CLKIN
50Ω
VCCE–2V
531.25MHz
50Ω
SDOUT
SDOUT∗
VCCE–2V
106.25MHz
REFCLK
TX0-9
modulate
(g) TX jitter transfer measurement circuit
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