Okay, just added a variable capacitor to the oscillator, and it appears to be changing frequency. I aim to get the frequency more to where I want it, meaning I have to play around with the inductor, but this shouldn't be long before this is built on some copper clad board and mounted nicely inside a shielded compartment. I plan to use buffered inputs and outputs (buffer ICs), so my various stages have little influence on the oscillator or mixer. after this, I will implement some active filters to remove some unwanted rubbish before the audio amplifier.
Homemade Radio Receiver project - Part 2
on Sunday, October 7, 2012
Homemade Radio Receiver project - Part 2 Video Clips. Duration : 1.18 Mins.
Okay, just added a variable capacitor to the oscillator, and it appears to be changing frequency. I aim to get the frequency more to where I want it, meaning I have to play around with the inductor, but this shouldn't be long before this is built on some copper clad board and mounted nicely inside a shielded compartment. I plan to use buffered inputs and outputs (buffer ICs), so my various stages have little influence on the oscillator or mixer. after this, I will implement some active filters to remove some unwanted rubbish before the audio amplifier.
Okay, just added a variable capacitor to the oscillator, and it appears to be changing frequency. I aim to get the frequency more to where I want it, meaning I have to play around with the inductor, but this shouldn't be long before this is built on some copper clad board and mounted nicely inside a shielded compartment. I plan to use buffered inputs and outputs (buffer ICs), so my various stages have little influence on the oscillator or mixer. after this, I will implement some active filters to remove some unwanted rubbish before the audio amplifier.
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