2025/02/04 PerfectCal Accuracy Improved!
2024/08/26 Monthly update👾
240605 Monthly update👾
2024/2/29 Chart UI improved🎄
'240216 SnpView Eye: Tx/Rx Eq available 👾
2024/01/31 Open ChannelView 👾
2023/12/13 TDT accuracy improved 👾
231030 Server recovered 🤖
231018 Support ‘.s1p’ file 👾
231010 ‘ctrl + click’ : chart marker🙂

SnpView ChannelView (βeta)

Example QnA Contact us

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Single Differential

Shunt Mode

Mixed Mode

Single view

PerfectCal®

(De-embedding)

Cascading

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Options

dB

Mag

Real

Imaginary

Phase

3D Polar

Smith

2D Polar

Group delay

Passivity

TDR

TDT

Eye-diagram (Diff.signaling)

Load port

S(1,x)

S(2,x)

S(3,x)

S(4,x)

Source port

S(x,1)

S(x,2)

S(x,3)

S(x,4)

Port

S11

S22

S33

S44

TDR port

S11

S22

S33

S44

Bit rate Gbps

PRBS bits

IgnoreBits bits

Modulation

NRZ

PAM4

Gray coding

Off

On

Mask

On

Off

Mask shape

Diamond

Rectangle

Hexagonal

Mask width1

Mask width2

Mask width3

DD/DC/CD/CC :

DD

CC

DC

CD

Thru fixture options

Z₀ estimation

auto

manual

Ohm
Symmetry

symmetry

weak asymmetry

Frequency step

auto

manual

MHz
DC estimation

auto

manual

Ohm

fmin

fstep

Impedance correction

off

on

Partial correction threshold
Ohm
Balance (only for s4p)

balanced

imbalanced (including Scd/Sdc)

De-embedding options

Frequency step

auto

manual

MHz

Zero residual mode
(for s2p or s4p with imbalanced)

off

on

Export(login)

off

on

Driver

VDD

Impedance Ohm

Package

On

Off

R Ohm

L nH

C pF

Rising time psec

Falling time psec

Off

On

DCD

UI usec nsec psec fsec

RJ

UI usec nsec psec fsec

DJ

UI usec nsec psec fsec

SJ

UI usec nsec psec fsec

SJ Frequency Hz

[FFE]

Off

On(fixed)

Tap weights

Receiver

Impedance Ohm

Package

On

Off

R Ohm

L nH

C pF

Jitter

Off

On

DCD

UI usec nsec psec fsec

RJ

UI usec nsec psec fsec

DJ

UI usec nsec psec fsec

SJ

UI usec nsec psec fsec

Clock recovery jitter

Off

On

Mean

UI usec nsec psec fsec

RJ

UI usec nsec psec fsec

DJ

UI usec nsec psec fsec

SJ

UI usec nsec psec fsec

DCD

UI usec nsec psec fsec

Noise

Off

On

Noise Volt

Gaussian noise Volt

Uniform noise Volt

CTLE

Off

On

DC gain dB

AC gain dB

Peak Freq. GHz

Mode

DFE

Off

On

# of Taps

Tap weights

Mode

Rx clock times

On

Off

TDR advanced options

Rising time ps

Delay ns

Port Z Ohm

DC option

Auto

Open

Manual

Ohm

Cap.load

On

Off

pF

X axis unit

Sec

Meter

Effective permittivity

TDT advanced options

Rising time ps

Tx port Z Ohm

Rx port Z Ohm

DC option

Auto

Open

Manual

Ohm

Probing point

Output

Input

Charts

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Color »
- Blue
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- Orange
- Red
- Purple
- Gray
- Amber
- Pink
- Teal
- Indigo
Pattern »
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- Dashed
- Long Dashed
Thickness »
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