. QST . -using a sufficient number of stages and combina-tions of under-critical and over-critical will be seen later, the anode of the amplifiertube and the grid of the following amplifier stageare tapped down on the inductance L. This does The complete circuit of a practicalamplifier is shown in Fig. 4. The is heterodyned in the 6BE6 mucer to 20 beating with a 435-kc. crystal (obtainablefrom surplus stock) and amplified by a three-stage double-tuned selective amplifier designed toproduce a maximum-flat-topped response. The20-kc. signal is heterodyned to 1 kc.
. QST . -using a sufficient number of stages and combina-tions of under-critical and over-critical will be seen later, the anode of the amplifiertube and the grid of the following amplifier stageare tapped down on the inductance L. This does The complete circuit of a practicalamplifier is shown in Fig. 4. The is heterodyned in the 6BE6 mucer to 20 beating with a 435-kc. crystal (obtainablefrom surplus stock) and amplified by a three-stage double-tuned selective amplifier designed toproduce a maximum-flat-topped response. The20-kc. signal is heterodyned to 1 kc. (or whateveraudio note is desired by the operator) bj beatingwith a stable series-tuned Clapp-type series-tuned trap in the output filter follow-ing the second mLxer is tuned to kc. to reduce. OUTPUT6AQ5
Size: 2594px × 963px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
