Coax cable characterization/cooner wire cw8251

Cable specifications

Property	Value
profile type	cable
profile id	cooner_wire_cw8251
name	Cooner Wire CW8251
manufacturer	Cooner Wire
part number	CW8251
mouser part number	NA
digikey part number	NA
characteristic impedance ohm	50
wire gauge awg	44
connector type a	SMA
connector type b	SMA
cable type	coaxial

Round-trip resistivity

Measured round-trip resistivity: 1.44926 ohm/m (single_length_ratio, n=1 lengths).

SerDes signal integrity

Length (mm)	Lane	Channel	Rate (Gbps)	Links?	Eye area	Eye height (mV)	Eye width (ps)	Margin floor (mV)	Sessions
500	fwd_3g	forward	3	True	0.195312	118.125		50	1
500	fwd_6g	forward	6	True	0.133789	157.5		110	1
500	rev_187m_fwd3g	reverse	0.1875	True	0.21875	137.812		130	1
500	rev_187m_fwd6g	reverse	0.1875	True	0.1875	118.125		110	1
1120	fwd_3g	forward	3	True	0.258545	216.562		50	1
1120	fwd_6g	forward	6	True	0.132324	157.5		190	1
1120	rev_187m_fwd3g	reverse	0.1875	True	0.240967	157.5		100	1
1120	rev_187m_fwd6g	reverse	0.1875	True	0.15625	98.438		80	1
1500	fwd_3g	forward	3	True	0.242432	196.875		50	1
1500	fwd_6g	forward	6	True	0.145508	167.344		190	1
1500	rev_187m_fwd3g	reverse	0.1875	True	0.25	157.5		90	1
1500	rev_187m_fwd6g	reverse	0.1875	True	0.171875	108.281		70	1
2000	fwd_3g	forward	3	True	0.236328	236.25		50	1
2000	fwd_6g	forward	6	True	0.074219	98.438		320	1
2000	rev_187m_fwd3g	reverse	0.1875	True	0.21875	137.812		140	1
2000	rev_187m_fwd6g	reverse	0.1875	True	0.154785	88.594		90	1

Eye diagrams

eye_fwd_3g (cooner_wire_cw8251/1120mm/serdes/20260707_01)

eye_fwd_6g (cooner_wire_cw8251/1120mm/serdes/20260707_01)

eye_rev_187m_fwd3g (cooner_wire_cw8251/1120mm/serdes/20260707_01)

eye_rev_187m_fwd6g (cooner_wire_cw8251/1120mm/serdes/20260707_01)

eye_fwd_3g (cooner_wire_cw8251/1500mm/serdes/20260708_01)

eye_fwd_6g (cooner_wire_cw8251/1500mm/serdes/20260708_01)

eye_rev_187m_fwd3g (cooner_wire_cw8251/1500mm/serdes/20260708_01)

eye_rev_187m_fwd6g (cooner_wire_cw8251/1500mm/serdes/20260708_01)

eye_fwd_3g (cooner_wire_cw8251/2000mm/serdes/20260707_01)

eye_fwd_6g (cooner_wire_cw8251/2000mm/serdes/20260707_01)

eye_rev_187m_fwd3g (cooner_wire_cw8251/2000mm/serdes/20260707_01)

eye_rev_187m_fwd6g (cooner_wire_cw8251/2000mm/serdes/20260707_01)

eye_fwd_3g (cooner_wire_cw8251/500mm/serdes/20260708_01)

eye_fwd_6g (cooner_wire_cw8251/500mm/serdes/20260708_01)

eye_rev_187m_fwd3g (cooner_wire_cw8251/500mm/serdes/20260708_01)

eye_rev_187m_fwd6g (cooner_wire_cw8251/500mm/serdes/20260708_01)

Eye opening vs cable length

Link margin vs cable length

RF attenuation (VNA)

Length (mm)	Mean worst insertion loss (dB)	Worst insertion loss (dB)	Sessions
500	-15.5929	-15.5929	1
1120	-22.5947	-22.5947	1
1500	-22.6296	-22.6296	1
2000	-36.4239	-36.4239	1

Attenuation vs frequency

Characteristic impedance vs frequency

Resistance measurements

Length (mm)	Round-trip ohm/m (mean)	Round-trip ohm/m (std)	Sessions	Measurements
1120	1.44926	nan	1	3

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