DiscoverCircuits.com, has 30,000+ electronic
circuits, cross-referenced
into 500+ categories. We have searched the web to help you
find quick design ideas.
We make every effort to link to material posted by the designer.
Please let us if you would like us to link to or post your
design.
By changing the supply
voltage fed to a classic 4584 Schmitt trigger type oscillator, the oscillator
frequency can be changed over a range of 50:1. A 74HCU04 inverter is used at the
output of the 4584 to maintain a constant TTL logic level signal.
Click
on Drawing Below to view PDF version of Schematic