Analog Ian – Analogue Equipment New to Vintage
Analog Ian - “The more it changes, the more it’s the same thing.” We have a sister website call Analog Ian - please go there and...
SA Music – The beginning of the beginning
South African Music - our musicians, not really but nearly! Manfred Mann, rather then Manfred Sepse Lubowitz, was born in South Africa in 1940. I...
Ring Bridge in Audio Synthesisers
Ring-Bridge Modulation for Audio The audio synthesiser uses two popular means of modulation, one being the popular VCA or voltage controlled amplifier, also commonly known as...
The VCF or Voltage Controlled Filter
The Voltage Controlled Filter, High or Low? The voltage controlled filter is another very important block in the design of the analogue synthesiser. (Digital control...
The VCA or Voltage Controlled Amplifier
The VCA - a Voltage Controlled Amplifier which doesn't amplify. The VCA, in this case used in an audio instrument such as an audio synthesiser...
The VCO or Voltage Controlled Oscillator
The VCO - the beginnings of a new era in synthesis The voltage controlled oscillator is a very common circuit often used in conjunction with...
Vintage Synthesisers using Ring Bridge Modulation
Ring Bridge mixing of audio signals In a previous article we cover ring-bridge modulation in SSB transmitters to get DSB-SC (double sideband suppressed carrier). Of...
Oscillators for the Newbie – Positive Feedback
Some of the best known oscillators - for the beginner For those interested in electronic circuits it's almost impossible to stay clear of the humble oscillator....
The 741 Operational Amplifier
Operational Amplifiers demystified - starting with the uA741 As a writer of some of the articles here we do try to keep the topic off common...
FM in Music Synthesizers
FM in music synthesizers - for the home tinkerer Basics - the 555 timer IC In this article we cover basic modulation and tone generation...
