MADCAD.com - The Cloud-Based Reference Library

- Free Trial - Webinar - Feedback

Cart (0)

No items in cart.

Total

There is a technical issue about last added item. You can click "Report to us" button to let us know and we resolve the issue and return back to you or you can continue without last item via click to continue button.

Home

Content

eLibrary

Not a subscriber? Register for a trial account.

Username:
Password:

Incorrect username/password.

Already a subscriber?

MADCAD.com Free Trial

Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.

If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.

Email *
Password *
Confirm *
First Name *
Last Name *
Title
Company Name *
Company Size *
Industry *
Address *
Address 2
City *
State *	Zip *
Country *
Phone *
How did you hear about MADCAD.com? *

Print page(s), starting from page (current page)

Continue to Print

Reset password

Enter your personal account email address to request
a password reset:

Reset password

Enter your account email address to request
a password reset:

Save As:

Are you sure you want to delete this group?

Security check

Please check the following box:

Please login to your personal account to use this feature.

Email:

Password:

Forgot your password?

Remember me for one month

Need a login? Register now.

Please login to your authorized staff account to use this feature.

Username:

Password:

Are you sure you want to empty the cart?

There were no books found for the applied search filters.

CLICK TO START OVER

Report To Us

Please fill the form below so that we can contact you.

Full name*
Email*
Phone

Contact us for a custom quote

Please fill the form below and a member of our staff will contact you shortly. The contents of your cart will automatically be sent to us so we can provide an accurate custom quote.

Company*
Full name*
Email*
Phone

To continue with accurate pricing,
please select your company type below:

Large goverment organizations

Large multi-national corporation (more than $5B annual revenue)

None of the above

Your company has a special pricing case for IEEE.
For pricing, please contact us by filling out the form.

Full name*
Email*
Phone
Your selection

We need your input!

Are you a code official in a jurisdiction with less than 300,000 population?

Yes No

This item is only available for the code officials of jurisdictions less then 300K population.

If you do not meet the criteria item will be removed and you will be able to continue shopping other items.

Cart Warning

eLibrary > PD IEC TS 61156-1-2:2023 - TC Tracked Changes. Multicore and symmetrical pair/quad cables for digital communications - Electrical transmission characteristics and test methods of symmetrical pair/quad cables >

PD IEC TS 61156-1-2:2023 - TC Tracked Changes. Multicore and symmetrical pair/quad cables for digital communications - Electrical transmission characteristics and test methods of symmetrical pair/quad cables, 2024

PD IEC TS 61156-1-2:2023 - TC Tracked Changes. Multicore and symmetrical pair/quad cables for digital communications - Electrical transmission characteristics and test methods of symmetrical pair/quad cables, 2024

30485182
A-30465151 [Go to Page]
undefined
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and abbreviated terms [Go to Page]
3.1 Terms and definitions
3.2 Symbols, units and abbreviated terms
4 Basic transmission line formulae [Go to Page]
4.1 Overview
4.2 Complex characteristic impedance and propagation coefficient formulae [Go to Page]
4.2.1 General
4.2.2 Propagation coefficient
4.2.3 Complex characteristic impedance
4.2.4 Phase and group velocity
4.3 High frequency representation of secondary parameters
4.4 Frequency dependence of the primary and secondary parameters [Go to Page]
4.4.1 Resistance
4.4.2 Inductance
4.4.3 Complex characteristic impedance
4.4.4 Attenuation coefficient
4.4.5 Phase delay and group delay
5 Measurement of the complex characteristic impedance [Go to Page]
5.1 General
Figures [Go to Page]
Figure 1 – Secondary parameters extending from 1 kHz to 1 GHz
5.2 Open/short circuit single-ended impedance measurement made with a balun (reference method) [Go to Page]
5.2.1 Principle
5.2.2 Test equipment
5.2.3 Procedure
Figure 2 – Diagram of cable pair measurement circuit [Go to Page]
5.2.4 Expression of results
5.3 Function fitting the impedance magnitude and angle [Go to Page]
5.3.1 General
5.3.2 Impedance magnitude
5.3.3 Function fitting the angle of the complex characteristic impedance
5.4 Complex characteristic impedance determined from measured phase coefficient and capacitance [Go to Page]
5.4.1 General
5.4.2 Formulae for all frequencies case and for high frequencies
5.4.3 Procedure for the measurement of the phase coefficient
5.4.4 Phase delay
Figure 3 – Determining the multiplier of 2πradians to add to the phase measurement [Go to Page]
5.4.5 Phase velocity
5.4.6 Procedure for the measurement of the capacitance
5.5 Determination of the complex characteristic impedance using the terminated measurement method
5.6 Extended open/short circuit method using a balun but excluding the balun performance [Go to Page]
5.6.1 Test equipment and cableend preparation
5.6.2 Basic formulae
5.6.3 Measurement principle
Figure 4 – Measurement configurations
Figure 5 – Measurement principle with four terminal network theory
5.7 Extended open/short circuit method without using a balun [Go to Page]
5.7.1 Basic formulae and circuit diagrams
5.7.2 Measurement principle
Figure 6 – Admittance measurement configurations
Figure 7 – Admittance measurement principle
5.8 Open/short impedance measurements at low frequencies with a balun
5.9 Complex characteristic impedance and propagation coefficient obtained from modal decomposition technique [Go to Page]
5.9.1 General
5.9.2 Procedure
5.9.3 Measurement principle
Figure 8 – Transmission line system [Go to Page]
5.9.4 Scattering matrix to impedance matrix
5.9.5 Expression of results
6 Measurement of return loss and structural return loss [Go to Page]
6.1 General
6.2 Principle
7 Propagation coefficient effects due to periodic structural variation related to the effects appearing in the structural return loss [Go to Page]
7.1 General
7.2 Formula for the forward echoes caused by periodic structural inhomogeneities
8 Unbalance attenuation [Go to Page]
8.1 General
8.2 Unbalance attenuation near end and far end
Figure 9 – Differential-mode transmission in a symmetric pair
Figure 10 – Common-mode transmission in a symmetric pair
Tables [Go to Page]
Table 1 – Unbalance attenuation at near end
Table 2 – Unbalance attenuation at far end
Table 3 – Measurement set-up
8.3 Theoretical background
Figure 11 – Circuit of an infinitesimal element of a symmetric pair
9 Balunless test method [Go to Page]
9.1 Overall test arrangement [Go to Page]
9.1.1 Test instrumentation
Figure 12 – Calculated coupling transfer function for a capacitive coupling of 0,4 pF/m and random ±0,4 pF/m (=100 m; (r1 = (r2 = 2,3)
Figure 13 – Measured coupling transfer function of 100 m Twinax 105 Ω [Go to Page]
9.1.2 Measurement precautions
9.1.3 Mixed mode S-parameter nomenclature
Figure 14 – Diagram of a single-ended 4-port device
Figure 15 – Diagram of a balanced 2-port device [Go to Page]
9.1.4 Coaxial cables and interconnect for network analysers
9.1.5 Reference loads for calibration
Table 4 – Mixed mode S-parameter nomenclature [Go to Page]
9.1.6 Calibration
Figure 16 – Solution for calibration of reference loads [Go to Page]
9.1.7 Termination loads for termination of conductor pairs
Figure 17 – Resistor termination networks [Go to Page]
9.1.8 Termination of screens
9.1.9 Calibration
9.1.10 Establishment of noise floor
9.2 Cabling and cable measurements [Go to Page]
9.2.1 Insertion loss and EL TCTL
Table 5 – Requirements for terminations at calibration plane [Go to Page]
9.2.2 NEXT
Figure 18 – Insertion loss and EL TCTL
Figure 19 – NEXT [Go to Page]
9.2.3 ACR-F
Figure 20 – FEXT [Go to Page]
9.2.4 Return loss and TCL
9.2.5 PS alien near-end crosstalk (PS ANEXT-Exogenous crosstalk)
Figure 21 – Return loss and TCL
Figure 22 – Alien NEXT [Go to Page]
9.2.6 PS attenuation to alien crosstalk ratio, far-end crosstalk (PS AACR-F- Exogenous crosstalk
Figure 23 – Alien FEXT
Annex A (informative)Example derivation of mixed mode parametersusing the modal decomposition technique [Go to Page]
Figure A.1 – Voltage and current on balanced DUT
Figure A.2 – Voltage and current on unbalanced DUT
Bibliography [Go to Page]

About Us / Careers / support@madcad.com / 1.800.798.9296

MADCAD.com Free Trial

Report To Us

Contact us for a custom quote

To continue with accurate pricing, please select your company type below:

We need your input!

Cart Warning

PD IEC TS 61156-1-2:2023 - TC Tracked Changes. Multicore and symmetrical pair/quad cables for digital communications - Electrical transmission characteristics and test methods of symmetrical pair/quad cables, 2024

To continue with accurate pricing,
please select your company type below: