. QST . Ask about our FREE novice classes! fttHi VALLEY Electronic Supply Co, T^m^mT J3(j2 w. Magnolia, Burbank, Calif. • Phone Victoria 9-46ll17646 Sherman Way, Van Nuys, Calif. • Phone Dickens 2-5143 The Sign of Quality Equipment for Amateurs and Industry Some prices slightly highereast of the Rockies 137. FIG. A. SSB 22-25 KC. FllTER and component kit for25-kc. carrier use with ring modulator. 500-ohm c. t. input, 100,000-ohm c. t. output. Essen-tial component kit includes filter unit (fig. Aabove), toroidal 25-kc. oscillator coil andtuning capacitor, copper-oxide ring modu-lator, schematic
. QST . Ask about our FREE novice classes! fttHi VALLEY Electronic Supply Co, T^m^mT J3(j2 w. Magnolia, Burbank, Calif. • Phone Victoria 9-46ll17646 Sherman Way, Van Nuys, Calif. • Phone Dickens 2-5143 The Sign of Quality Equipment for Amateurs and Industry Some prices slightly highereast of the Rockies 137. FIG. A. SSB 22-25 KC. FllTER and component kit for25-kc. carrier use with ring modulator. 500-ohm c. t. input, 100,000-ohm c. t. output. Essen-tial component kit includes filter unit (fig. Aabove), toroidal 25-kc. oscillator coil andtuning capacitor, copper-oxide ring modu-lator, schematic. Component kit: $ RTTY MARK AND SPACE FILTER SET. 500 ohmsin and out. M filter 1700-2550, S filter2550-3400, both filters mounted as fig. Aabove. Set: $ RTTY INPUT FILTER. 500 ohms input, 15,000 ohmsoutput. Response 1700-3400, down 25 db at1400 and 3800, mounted as fig. A above. Filter unit: $ Inductors and Filters—To Specification. Prices given are postpaid. Write fortechnical literature and further data. r d&t* 402 EAST GUTIERREZSANTA BARBARA. CALIF.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
