Aug 28, 2019 #1 C carpenter Full Member level 6 Joined Jul 25, 2012 Messages 353 Helped 22 Reputation 44 Reaction score 24 Trophy points 1,298 Activity points 4,467 Advise a cheap VCO Voltace controled oscilator any as Mini circuit ROP-xxxx , but significantly cheaper for example for frequency 900-1000MHz for frequency 1500-1700MHz for frequency 1750-1900MHz for frequency 2200-2500MHz
Advise a cheap VCO Voltace controled oscilator any as Mini circuit ROP-xxxx , but significantly cheaper for example for frequency 900-1000MHz for frequency 1500-1700MHz for frequency 1750-1900MHz for frequency 2200-2500MHz
Aug 30, 2019 #2 B BradtheRad Super Moderator Staff member Joined Apr 1, 2011 Messages 15,183 Helped 2,900 Reputation 5,812 Reaction score 2,982 Trophy points 1,393 Location Minneapolis, Minnesota, USA Activity points 113,742 Do you prefer a sine wave generator? For the GHz range I suppose you need the fewest components, and fastest components. The twin-T is feasible. It has only one transistor. Its frequency can be made to vary with the supply voltage. As supply varies from 2 to 8V, frequency goes from 25 to 30 MHz.
Do you prefer a sine wave generator? For the GHz range I suppose you need the fewest components, and fastest components. The twin-T is feasible. It has only one transistor. Its frequency can be made to vary with the supply voltage. As supply varies from 2 to 8V, frequency goes from 25 to 30 MHz.