. The Armstrong super-regenerative circuit . ake the place of condenserNo. 1. Best results will be obtained with the extracondenser. 3. Switch for wavelength change. 4. Grid tuning coil. 5. Tickler coil. 6-7. Grid leak and condenser. The grid leak should be removedand the small battery shown inserted. The condensers neednot be disturbed. 8. Hard vacuum tube such as Western Electric or UV-201. 9. By-pass condenser already in the set. 10. Negative C battery 3-41/2 volts. 11. Duo-Lateral or Honeycomb coil of 1250 turns. 12. Duo-Lateral or Honeycomb of 1500 turns. These coils aremounted in a regul
. The Armstrong super-regenerative circuit . ake the place of condenserNo. 1. Best results will be obtained with the extracondenser. 3. Switch for wavelength change. 4. Grid tuning coil. 5. Tickler coil. 6-7. Grid leak and condenser. The grid leak should be removedand the small battery shown inserted. The condensers neednot be disturbed. 8. Hard vacuum tube such as Western Electric or UV-201. 9. By-pass condenser already in the set. 10. Negative C battery 3-41/2 volts. 11. Duo-Lateral or Honeycomb coil of 1250 turns. 12. Duo-Lateral or Honeycomb of 1500 turns. These coils aremounted in a regulation mounting and are variable one withthe other. 13. Variable condenser .003 M. F. This condenser may be eithervariable or fixed as desired, A combination of both fixedand variable is most economical. 14. Hard vacuum tube. 15-16-17-18-19. Filter circuit described Filament rheostats. 22. Output of Super-Regenerative receiver. Connect the tele-phones here or run to audio-frequency amplifier. 23. Negative C battery 3-41/2
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectradio, bookyear1922
