6k7 Regenerative Receiver

Schematic Tube 6k7 Preamplifier

2Spaced to make coil length l 4 inches. Ll and Lz all close-wound with No. 36 d.s.c., spaced H-inch from Lz or Li. Forms are National R-39, five-prong. 111L iiu.ii-rntroiiM lt i sitkkhet 2Spaced to make coil length l 4 inches. Ll and Lz all close-wound with No. 36 d.s.c., spaced H-inch from Lz or Li. Forms are National R-39, five-prong. When everything is aligned the c.w. beat oscillator should be set so as to give about a 1000-cycle tone when heterodyning a signal tuned in on the nose. Then...