4U028 - VCFQ Patching a data output to

Patching a data output to a data input turns the shift register's output back to it's input

Since both the RISE and FALL can be switched to be controlled separately or together

these programmers would only allow a single stage to be active at any time

4U036 - NTO

4U028 - VCFQ Patching a data output to4U028 VCFQ From the original 1982 ctalogue; The VARIABLE Q VCF (VCFQ) is an excellent general purpose VCF offering simultaneous low pass, high pass, band pass and notch (band reject) outputs. The resonance (Q) of this filter is dynamically variable by manual or voltage control. The VCFQ has two signal inputs. One incorporates an automatic gain control to prevent the filter from overloading at high Q settings. The second input has a level control so