Hi all,
I trying to design a simple BJT mixer for AM receiver. I tried many circuits found on the internet but I want to design my own circuit with the LO injected through the emitter and the IF out through tuned circuit on the collector, but I have quision:
What is the non-linearity that should be used? is it V-I of the base-emitter junction, saturation regon or cutoff regon.
this is just a simple circuit, so i'm not worrying about IP3, strong stations ........
any help is very appreciated.
I trying to design a simple BJT mixer for AM receiver. I tried many circuits found on the internet but I want to design my own circuit with the LO injected through the emitter and the IF out through tuned circuit on the collector, but I have quision:
What is the non-linearity that should be used? is it V-I of the base-emitter junction, saturation regon or cutoff regon.
this is just a simple circuit, so i'm not worrying about IP3, strong stations ........
any help is very appreciated.
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