Sunday, February 9, 2020

The new 40/80 using TUN amp and LAMDA diode oscillator

40/80 continues

My friend and I designed the 40/80 in 2018. We used NE612 for the mixers and a logic chip for the oscillator. It was a unique design and worked well. Today I start on a new version using all discrete components. A TUN RF amp, Gilbert cell for the mixers, LAMBDA diodes oscillators and a TUN AF amp.

 lambda diode

TUN amplifier

DC Receiver

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