[sdiy] 4053 triple SPDT for VCO

[René Schmitz]

Hi Aaron and Chad,

> Will the 4053 do the trick, or is there another favored SPDT we should 
> be looking into?

There might be nicer switches, but these will do.

> Also, I'm wondering about the supply... if we run the 4053 or 4066 or 
> whatever off of referenced solid +/- 7.5 V sources, and then give it the 
> _same_ sources as input, will it pass them happily? Or does the supply 
> need to be a wee bit above what's being passed through?

There is internally not much else but a MOSFET to +-7.5V, much like an 
inverter or any other CMOS gates it will go almost to the rails.
You don't need to worry about the simultaneous conduction of both halves 
of the switch here. (The situation is again much like for an inverter.)

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159