. QST . IK/lW. -~450V. !o-H—r^ Apfh T Tiviow. J- lili .OI_L .01 .01 1 2 MODULATOR I2AT7 6AU6S I2AU75 2E26 6AQ5 I0K/2W. SPEECH AMPLIFIER6AU6 /2I2AU7 /2 12AU7. J^W^lf II7AC^+300 S I LJ k J4 1 2 3 4 5 6 Fig. 1 — Circuit diagram of the transmitter and modulitors up to and including are ceramic. Resistors areRi, Rs, Rs, Ro — Meter shunt, for 100-ma. full scale (approximately ohm, or approx. 5 ft. No. 24 enam. wound on 1-watt resistor).*R2, R4 — Meter shunt, for .5-ma. full scale (25 ohms).*Li—4 fib.; 20 turns No. 26 on J^-inch diam. form, winding length 1 inch, — juh
. QST . IK/lW. -~450V. !o-H—r^ Apfh T Tiviow. J- lili .OI_L .01 .01 1 2 MODULATOR I2AT7 6AU6S I2AU75 2E26 6AQ5 I0K/2W. SPEECH AMPLIFIER6AU6 /2I2AU7 /2 12AU7. J^W^lf II7AC^+300 S I LJ k J4 1 2 3 4 5 6 Fig. 1 — Circuit diagram of the transmitter and modulitors up to and including are ceramic. Resistors areRi, Rs, Rs, Ro — Meter shunt, for 100-ma. full scale (approximately ohm, or approx. 5 ft. No. 24 enam. wound on 1-watt resistor).*R2, R4 — Meter shunt, for .5-ma. full scale (25 ohms).*Li—4 fib.; 20 turns No. 26 on J^-inch diam. form, winding length 1 inch, — juh.; 14 turns No. 20 on ^-inch diam. form, winding length 1 inch, — nh.; 9 turns No. 12, diameter 1% inches, length l}4 inches, , J2 — Coaxial connectors, chassis — 8-contact connector, chassis-mounting (octal).J4 —6-contact connector, chassis-mounting (Jones). ator. Capacitances below ni. are in tint, fixed capac-32 watt unless otherwise — relay, 117-volt coil (Advance type AM/2C/115VA).Si — Rotary switch, 2 poles, 3 •— toggle. T
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
