Hamilton, PU2XLB, has built a Fredbox 2m AM transceiver using the G4BYE adaptation of my original schematic. The G4BYE version has an LM386 audio rather than a simple stage driving a crystal earpiece. Hamilton, PU2XLB, has managed a 10km QSO already. He also has a Youtube video of it in action on RX.
18 Sept 2009
A Brazilian Fredbox 2m AM transceiver
Hamilton, PU2XLB, has built a Fredbox 2m AM transceiver using the G4BYE adaptation of my original schematic. The G4BYE version has an LM386 audio rather than a simple stage driving a crystal earpiece. Hamilton, PU2XLB, has managed a 10km QSO already. He also has a Youtube video of it in action on RX.
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