high freq vco

[Magnus Danielson]

From: WeAreAs1 at aol.com
Subject: Re: high freq vco
Date: Sat, 12 Aug 2000 05:52:53 EDT

> 
> In a message dated 8/12/00 12:16:23 AM Pacific Daylight Time, 
> jhaible at debitel.net writes:
> 
> << The expo part would be easy if the 4046 is really linear - but *is*
>  it linear enough ? >>
> 
> Yes, that's the other question (that I was too lazy to type).

There is a linearity spec of it in the datasheet.

The 74HC4046 can go downto 0.3 % @ Vcc = 6V.

Also, check the charts. Philips have datasheets among others.

If you can get it, I think that the 74HCT9046 is more interesting, since the
VCO is bandgap based.

Cheers,
Magnus