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| J4 | 1 | SW_SPDT | Switch, dual pole double throw D Switch, single pole double throw, separate symbols K switch single-pole double-throw spdt ON-ON D Screw terminal, single row, 01x03 D 2x5 pin shrouded header 2.54 mm spacing D 3 rotary switches are actually 2p6t, which means only six different step counts are available until the replacement arrives Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the Program) on a decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v or even much less. - One SPDT switch per step, to set output voltages. (10) - One multi-pole rotary switch - 9.5mm, +5mm extra space available mini toggle switch ON-ON | | | ----- | --- | ---- | ---- | ---- | ----------- | ---- | | | Q1, Q2, Q3 | 3 pin Molex header 2.54 mm spacing | | Tayda | A-1672 | | Tayda | A-804 | | Screws, nuts, and spacers.

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