Alan,
     Thank-you for the information.
rich!

On 5/23/2014 3:23 AM, alan.b.pearce@stfc.ac.uk wrote:
>> Joe, Steve,
>>       Thank-you for the suggestions. This is what I am looking for. Righ=
t
>> now I am experimenting with a CD4066. I don't have any 4051s right now
>> but the 4066s are helping me to design a control system.
>> rich!
> Another one to look at is the venerable DG403 series of chips. Has logic =
level control, but the switch can deal with +/-12V (when using appropriate =
supply rails). Main disadvantage is it is a 3 rail supply (5V logic and +/-=
12V analogue). IIRC the DG403 has 2 switches in a package, I don't know for=
 sure if there are others in the family have more, but I have a feeling the=
re is a quad version.

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