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Selecting oscillator harmonic on multi-mode line for ultra-widebandVCO?
If I have a waveguide, coax, or even lumped varactor tuned LC tank,
could I simply select which harmonic I want it to oscillate at, by tunning a negative resistance? Perhaps with the use of a "register key", such as is on flutes and clarinets? I suppose that functions as a high-pass filter on the line, when the hole is unplugged. I'm interested in a multi-decade VCO, tuned with one control voltage and just a few switches. No, I don't want to heterodyne or synthesize, because I'm interested in the regenerative/super-regenerative capabilities. Any applicable app notes or articles? Dream on? -- Scott ********************************** DIY Piezo-Gyro, PCB Drill Bot & More Soon! http://home.comcast.net/~scottxs/ ********************************** |
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