Not a beam antenna, but a D/A converter of a R-2R ladder type.
https://en.wikipedia.org/wiki/Resistor_ladder
The waveform looks like a sine wave?
Monotonicity is OK.
Ham Radio Blog
Not a beam antenna, but a D/A converter of a R-2R ladder type.
https://en.wikipedia.org/wiki/Resistor_ladder
The waveform looks like a sine wave?
Monotonicity is OK.