. QST . « Fig. 6 — (Left) Intensity modula-tion of 2-microsecond positivepulse. (Right) Z amplifier used fortrace brightening.
Size: 1569px × 1593px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915