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MPPT vs PWM and Power Inverters topology

May 29, 2022May 29, 2022

Solar Energy – some pitfalls

April 18, 2022May 29, 2022

EV – Why, when and where

April 10, 2021May 22, 2022

Buying yourself that great used car in the South African Market

April 5, 2021

Inverters Vs UPS

March 14, 2021May 22, 2022
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MPPT vs PWM and Power Inverters topology

May 29, 2022May 29, 2022

Solar Energy – some pitfalls

April 18, 2022May 29, 2022

EV – Why, when and where

April 10, 2021May 22, 2022

Buying yourself that great used car in the South African Market

April 5, 2021

Inverters Vs UPS

March 14, 2021May 22, 2022

Education and Careers in South Africa

March 14, 2021

RIAA Preamplifiers on a Budget

September 15, 2018

Parts for Vintage Equipment

June 23, 2018

Ampacity and Current Handling of Conductors

June 23, 2018
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MPPT vs PWM and Power Inverters topology Solar Energy – some pitfalls EV – Why, when and where Buying yourself that great used car in the South African Market Inverters Vs UPS
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Category: Schematics

Instruments Schematics Synthesisers

What’s in a Vocoder – voice synthesisers and Robots

Kraftwerk, Styx and My Vocoder - Shaping human voices Generating and shaping audio and RF wave patterns has long been an interest for many and...

Admin
June 10, 2018
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Education Electronic Stores Manufacture Other Components Power Amplifiers Power Supplies Pre-amplifiers Schematics Valves & Stuff

Transistor Equivalents – old equipment restoration

Where to find transistor equivalents? Restoring old gear can be a nightmare when it comes to some of the more obscure transistor types, and a...

Admin
April 28, 2018
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Patchbays Pre-amplifiers Schematics

Multiplexer and Demultiplexer switching (follow up)

Using Electronic switching to route signals As a follow up to our article on multiplexing (and demultiplexing) or MUX/DEMUX and running my own experimentation with...

Admin
September 23, 2017
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Power Amplifiers Schematics

Hexfets Vs Laterals Vs BJTs

Mosfet Devices Versus Bipolar Junction Transistors I will try not to be biased in this article. Pun intended.  Again, no re-invention of the wheel so...

Admin
July 30, 2017
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Power Amplifiers Pre-amplifiers Schematics Transformers Valves & Stuff

Winding your own OPT

Local suppliers - South Africa As an addendum to our previous article "Alternatives to Tube  Output Transformers" we thought it pertinent to add a bit...

Admin
July 16, 2017
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Schematics

National Semiconductor – LME49811

The LME49811 from National Semiconductor / TI Greetings! Class D amplifiers and drivers are becoming so popular that some of the largest IC manufacturers are...

Admin
June 18, 2017
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Power Amplifiers Schematics

Protecting your Amplifier

Protection devices for Audio Amplifiers There is a lot of theory put into amplifier design and when one looks at these complicated circuits often the...

Admin
June 16, 2017
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Power Amplifiers Pre-amplifiers Schematics

Current Mirrors and Long Tailed Pairs

Differential Amplifiers - what they do  (Part One) Long tail pairs or differential amplifiers have one important purpose:  To amplify the difference between two inputs...

Admin
June 13, 2017
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Power Amplifiers Schematics

Sziklai Pair and Quasi Complementary output stages

Sziklai versus Darlington The Sziklai, like the Darlington is a very high current gain device. After dabbling on a few pages about Darlington transistors, what...

Admin
June 11, 2017
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Integrated Amplifiers Power Amplifiers Schematics

National LM4702 Vs Sanken STK350-xxx

A look into National Semiconductor's LM4702 VAS First thing here for those that aren't aware:  "SANTA CLARA, Calif., Sept. 23, 2011 /PRNewswire/ -- Texas Instruments...

Admin
June 3, 2017
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