The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
NNTP-Posting-Date: Tue, 03 Dec 2002 17:26:42 -0600
From: "john walton"
Subject: Re: NE555 VCO
Date: Tue, 3 Dec 2002 18:26:36 -0500
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
Good luck finding the MAX038 -- they are backordered until the second
The Nat Semi LM2907 is a good voltage to frequency converter (can also be
used as a F to V), and the linearity is very good.
"Kijoma" wrote in message
> "Mike W" wrote in message
> > In Phillips Application note AN170 there is a VCO design ( fig 25 )
> > that I would like to view, but all the PDF reproductions I can find on
> > the web are so low on resolution that the diagram is unreadable.
> > So, has anyone got a 'paper' version of Phillips AN170 that they could
> > scan Fig 25 for me ?.
> > Otherwise, I'm looking for an audio VCO with a fairly linear output
> > for an input of 0-5v, preferably using the 555 or similar common
> > device.
> > any offers?.
> > many thanks Mike W, G8NXD
> > --
> can you still get those function generator chips? (max038 or similar
> name??). would be better as a VCO than a 555.
> 555's and 741's are for college projects imo :)
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup