PLAN B analog blog

All,

I've updated the Model 16 page on the EAR site with it's final
configuration, which has grown since it's the original incarnation to
include a number of new features to what already was a robust set of
control options.

In review, two controls have been added to the SWEEP function:

A) STEP OUTPUT

This output fires a pulse each time a filter in the matrix is
activated with the Sweep control (via a pot or external VC).  This
trigger can be used to sync external devices, such as envelopes, as
this occurs.  This feature works in both lowpass and bandpass modes.

B) HARD/SOFT Sweeping

You'll notice the M16 has grown a new switch - a HARD/SOT selector
which determines the response curve of the sweep control.  Set to
HARD, the activation of each filter is more abrupt (stepped).  When
set to SOFT, a dithering is applyed to the filter activations to that
they crossfade slightly betwen one another as they are turned on and
off by the Sweep function.

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The design of the PCBs is a bit over half completed, the faceplates
are already on order.  WIth five PCBs, it's going to take bit longer
for this one to reach completion so I'd expect to see these within the
next six weeks or so.

- P