WA1FFL

Abstract: AD9951 Application Notes vfo schematic LCD INTERFACING WITH AT89S8253 AD9951 atmel Projects rotary encoder rf op amp rit display EMP-21 8051 mini projects
Contextual Info: James D. Hagerty, WA1FFL 64 Nonquit La, Tiverton, RI 02878, j.hagerty@att.net; www.WA1FFL.com An Advanced Direct-Digital VFO The author used an Analog Devices AD9951 DDS IC in a new VFO design. A number of radio amateurs, including the author, have built direct digital VFOs