Before revision: Cruft Electronics Staff, P. 705 Detection transitions at larger carrier amplitudes to large-signal detection behavior due to unilateral conduction from the cathode to grid.
After revision: F. E. Terman, "Grid-Leak Grid-Condenser Detection", Radio Broadcast, March 1929, p. 303Cruft Electronics Staff, P. 705 Detection transitions at larger carrier amplitudes to linear detection behavior due to unilateral conduction from the cathode to grid.