A slope generator creates ramps: rising or falling voltages. It is essentially a gate generator and a slew limiter (see above) wired together in the same module.
A common example of a slope generator is an attack/decay (AD) or attack/release (AR) envelope generator. However, since it can be used for generalized control voltage functions – even creating a sawtooth or triangle wave oscillator – some companies such as Buchla and Serge referred to by its elemental function of generating sloping voltage changes.
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