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Noted Premium Membership Resources (Partial)

 

Premium Member Resources
(Subscription Required)

Training Online Center - GD&T Training, DFM, DFMA, Engineering, Design

Engineering, Manufacturing Calculators and Equations - Most calculators are free, however advanced design calculators will require a Premium Membership to access.

Beam Deflection and Stress Design Equations Calculators - Advanced beam stress and deflection equations and calculators. Basic calculators are free.

Design for Manufacturability and Assembly DFM DFMA - DFM DFMA Resources

Geometric Boundaries II ASME Y 14.5-2009 - Interpretation and Application of ASME Y14.5-2009 GD&T

Geometric Boundaries Workbook Answers - Access to Geometric Boundaries Workbook Questions

Differences Between ASME Y14.5-2009 and ISO 1101 Geometric Dimensioning and Tolerancing - Quick Guide to differences Between ASME Y14.5-2009 and ISO 1101 Geometric Dimensioning and Tolerancing

What's New in ASME Y14.5-2009 - Overview of changes to the ASME Y14.5-2009 Standard

Geometric Metrology per. ASME Y14.5-2009 - Dimensional Tolerances Inspection & Practices in Manufacturing Fundamentals

Limited Dimension Drawings LDD, Critical Feature Drawings - Presentation and research for Limited Dimension Drawings LDD, Critical Feature Drawings

Excel Applications Downloads for Engineers - Excel Applications Downloads for Engineers - 130+ excel Calculators!

Weld Design Calculators - Weld Throat Area, Stress and Moment Design Calculators

White Papers, Engineering Documents and Specifications - Resources that can not be characterized White Papers, Engineering Documents and Specifications

    Handbook for Machine Design and Engineers - Practical Design Engineering book

    Ingenious Mechanisms Volume I - Mechanisms 'and Mechanical Movements Selected from Automatic Machines and Various Other Forms of Mechanical Apparatus as Outstanding Examples of Ingenious Design Embodying Ideas or Principles Applicable in Designing Machines or Devices Requiring Automatic Features or Mechanical Control.

    Ingenious Mechanisms Volume II - This additional volume of Ingenious Mechanisms for Designers and Inventors Volume has been published as a companion book to Volume I in order to present illustrated descriptions of a large variety of mechanisms and mechanical movements not at hand when Volume I was produced.

    Ingenious Mechanisms Volume III - Large number of mechanisms and mechanical movements not previously described in Volumes I and II have been brought together for convenient study and reference.

    Ingenious Mechanisms Volume IV - Ingenious Mechanisms for Designers and Inventors Volume IV. The mechanisms described in Volume IV have been developed for application in a wide variety of fields.

    Five Hundred and Seven Mechanical Movements Book. - Published 1868 by Henry T. Brown.

    Ultimate Fastener Design Manual - Comprehensive fastener design manual developed and publish by NASA.

What's New!

Arc Flash Calculator per NFPA 70E Calculator Excel Spreadsheet

This Excel file combines arc flash equations from a proposal to NFPA 70E-2003 with simplified equations to calculate available fault current. This tool uses methods that have been shown to result in conservative estimates of fault current, which should result in conservative estimates of arc incident energy if appropriate arc fault clearing times are used . An IEEE 1584 equation is used to calculate arcing fault current.

NCP108x Flyback CCM Design Calculator Excel Spreadsheet

This spreadsheet calculates both system and component data for use with the NCP108x in a continuous conduction mode, isolated and non-isolated flyback topology. Calculations are based on system specifications provided by the user.

NCP1611 Generator Frequency Calculator Excel Spreadsheet

The NCP1611 is designed to drive PFC boost stages in so-called Current Controlled Frequency Fold-back (CCFF). In this mode, the circuit classically operates in Critical conduction Mode (CrM) when the inductor current exceeds a programmable value.

XR-2206 Function Generator Frequency Calculator Excel Spreadsheet

This spreadsheet shows the output frequency of the XR-2206 function generator chip for various standard values of R2 and C. Read R2 down the left column and C across the top row.

Voltage Divider for 5% Resistors Calculator Excel Spreadsheet

This sheet shows the outputs of a voltage divider for standard 5% valued resistors. Vin (currently set at 10V) can be changed to any desired input voltage and the sheet recalculated. Read the values of R1 down the left hand column, and the values of R2 across the top row.

CMOS Schmidt Trigger Oscillator Calculator Excel Spreadsheet

CMOS Schmidt Trigger Oscillator Calculator Excel Spreadsheet. This sheet shows the approximate frequency of an oscillator built around 1/6 of a CMOS 40106 hex Schmidt trigger package.

NE570 VCA Output Biasing Calculator Excel Spreadsheet

For best headroom in a VCA circuit, the output of the NE570 should be biased up to 1/2 the supply voltage. This is accomplished by selecting external resistor R (which parallels internal resistor R4).

NE570 Expander Output Biasing Calculator Excel Spreadsheet

For best headroom in an expander circuit, the output of the NE570 should be biased up to 1/2 the supply voltage. This is accomplished by selecting external resistor R (which parallels internal resistor R4)

NE566 Function Generator Frequency Calculator Excel Spread Sheet

This spreadsheet calculator shows the output frequency of the NE566 function generator chip for various standard values of R and C.

Linear Circuit Source Calculator Excel Spreadsheet

Linear Circuit Source Calculator Excel Spreadsheet. This sheet shows how to implement a good quality linear current source for the 3080 OTA.