[sdiy] 4016 madness

[Barry Klein]

I have like 4 4016A's and a couple 4016's National (no "B").
But not driving to LA unless I am significantly bribed.
I am in Trabuco Canyon, south OC.

Barry
----- Original Message ----- 
From: "mark verbos" <mverbos at earthlink.net>
To: <Synth-DIY at dropmix.xs4all.nl>
Sent: Saturday, March 05, 2011 12:38
Subject: [sdiy] 4016 madness


> Hi there!
>
> I'm in the middle of some strange analog switch behavior. I have a buchla 
> module that used an MC14016 in it's oscillator core. It is also switching 
> between waveforms with the other 3 switches. It is powered from +15 and 
> a -5 made from resistors on the -15 and ground. Things are acting funny, 
> so I replaced the switch with a CD4016B and the oscillator stopped 
> working. I put in an NTE4016 and still no oscillation. Both of these chips 
> were showing about +5 as the negative rail. I put back in the old chip and 
> the oscillator started again. The negative power rail went back to -5.
>
> The schematic specifies the Motorola part number MC14016. I have never 
> seen Don specify a Motorola CMOS switch. I don't know if the issue is that 
> it's Motorola or an A vs B series thing.
>
> I'm in LA right now and can't go home without figuring this out. Does 
> anyone have a Motorola MC14016 (not B) in the LA are that they can float 
> me? Any words of wisdom? Thanks!
>
> Mark
>
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