AWG to Metric Conversion Chart

AWG to Metric Conversion Chart

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Heatsink calculator

Heatsink calculator:

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Class-A Amplifiers

Class A amplifiers always have had a good reputation among audiophiles. When talking about low power designs these are in most cases designed as class A. Talking about audio power amplifiers, the picture is quite different. Here class B and A/B amplifiers play a dominant role, while class A is more seldom. In this article we will have a look at the different types.

Baca selengkapnya: Class A amplifiers: "Class A Amplifiers"

BJT Cascode Amplifier Calculator

This calculator computes bias voltage and current levels, as well as gain and frequency response for the Cascode amplifier. 

The cascode amplifier has high gain and high band width.  It overcomes the Miller capacitance limitations of the common emitter amplifier by using a second transistor as common- base current buffer.  As a result it can achieve gain bandwidths orders of magnitude larger than the common emitter amplifiers.  The only cost is that a second transistor is needed, and a higher voltage supply is needed so that the transistors have decent operating margins.  

For the this cascode gain is set by the ratio of RC/RE2.  To increase bandwidth maximize the sum of RE1 and RE2. 

Baca selengkapnya: BJT Cascode Amplifier Calculator

Speaker Box Enclosure Designer/Calculator

Baca selengkapnya:

• Speaker Box Enclosure Designer/Calculator
• Dimensions of your Speaker Box based on the Calculated Volume
• Determine if your Driver works best in a Sealed or Ported Enclosure
• Calculate the Displacement Volume for Your Driver
• Read the Speaker Box Design Tutorial

Speaker Box Calculations

This calculator will tell you:

• Whether the speaker is better suited for a sealed or ported enclosure
• The 3dB down point of the speaker in either enclosure
• The recommended volume for sealed and ported enclosures
• The resonant frequency of both enclosures
• The port length for ported enclosures
• The reference efficiency in both % and decibels at one watt
• If any of the fields return 'NAN' or 'infinity', you did not fill one of the fields required to make the calculations.

Selain kalkulator online, dijelaskan pula istilah-istilah yang mendukungnya, seperti fs, fc, Vas, Qes, Qms, Qts, Qtc, Vb, EBP, dan no.

Baca selengkapnya: Speaker Box Calculations

Speaker Enclosure Volume Calculator

As you already know, for speakers (especially woofers) to work properly, they must be in the proper size enclosure. The manufacturer can give you the required enclosure volume but can't give the exact dimensions of an enclosure that will work in all vehicles. So that you can build an enclosure of the proper size for your vehicle, this page will explain how you calculate the total volume of the enclosure.

Baca selengkapnya: Speaker Enclosure Volume Calculator