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Westerrr Electric 88A, Инструкция по эксплуатации

"Продукт Westerrr Electric 88A поставляется с подробным инструкция по экплуатации. Вы можете скачать бесплатный руководство по эксплуатации с manualshive.com. Этот manual поможет вам правильно использовать устройство и получить максимум от его функций. Не забудьте скачать руководство перед началом использования продукта."

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Содержание 88A

Страница 1: ...able of raising the modulated output of a 50 watt ultra high frequency radio telephone transmitter to 500 watts of carrier power It may be adjusted to operate on any frequency in the range from 30 to...

Страница 2: ...ling the power supply circuits Below this panel are two hinged metal doors providing access to the lower portion of the cabinet where the rectifier and power equipment are located Safety switches are...

Страница 3: ...sion line by means of taps on the plate circuit inductance L5 Blocking condensers C9 and C10 remove the DC potential from the transmission line and meters M2 and M4 provide an indication of the RF cur...

Страница 4: ...U J 4 b r J J I J O o Z w 2 o N 4 Q N 3 O CI Al 7N 4 rl rrn0 00_ _v___ L 1 v W J h J Oi OuD Z a NcO f U O co...

Страница 5: ......

Страница 6: ...series with the coil circuit of relay Si which is energized with power supplied from the associated transmitter when it is operating The contacts of the overload relay S3 are connected in series with...

Страница 7: ...als of the variable condenser C3 and a short length of No 14 wire should be connected between the center tap of the coil and the terminal on the stand off insulator which supports the front end of the...

Страница 8: ...ION LINE 6 I DRILL 4 HOLES FRONT BOTTOM VIEW ANTENNA TRANSMISSION LINE BOX TERMINAL BLOCKS FRONT TOP VIEW TERMINAL BLOCKS ANTENNA TRANSMISSION LINE BOX ROLE FOR ANTENNA TRANSMISSION LINE Figure 4 Dime...

Страница 9: ...emoved from the amplifier When a coaxial transmission line is used it should be run from the antenna underneath the floor and be terminated at the junction box in the bottom of the amplifier where the...

Страница 10: ...2 41 40 39 38 N W 37 u a 0 36 2 35 2 w D w 34 LL C 33 a U 32 31 30 29 28 60 62 64 66 68 70 72 74 76 78 80 TRANSMISSION LINE LENGTH IN INCHES 82 Figure 5 Calibration of Second Harmonic Shunt 10 1 84 86...

Страница 11: ...purpose can be made by connecting four 120 watt 110 volt lamps preferably carbon filament lamps in two parallel strings of two lamps each Sockets should not be used The connections between the tubes...

Страница 12: ...proportional value of current for intermediate frequencies c The output transmission line current of the amplifier should increase between 18 and 22 per cent when the associated transmitter is modula...

Страница 13: ...e transmission line current is obtained in each line The transmission line current meters serve only as an indication that the equipment is functioning properly The value of current cannot be used to...

Страница 14: ...lly adjusted before the equip ment was shipped They are of rugged construction and should need little attention other than the occasional inspection and cleaning of the contacts with C P carbon tetrac...

Страница 15: ...n for the associated radio transmitter Failure to Start If the 50 watt radio transmitter does not operate when the necessary switches of that unit are turned on check the doors of both equipments to s...

Страница 16: ...lty continues check the opera tion of the transmitter into an artificial antenna as described under Tuning Procedure Failure to Modulate Properly If the 50 watt transmitter modulates up as shown by an...

Страница 17: ...ation 3 Western Electric No 279A Con densers 2 mf each 3000 volts Western Electric No D 96889 Con denser 50 mmf Cardwell No S 3862 Variable Air Condenser Cardwell No S 3853 Variable Air Condenser Duhi...

Страница 18: ...s C ambient temperature M2 Transmission Line Current Weston Model 425 RF Ammeter Ammeter flush type bakelite case 0 3 amps or 0 5A for operation at 60 de grees C ambient temperature M3 Plate Voltage V...

Страница 19: ...D 96781 Transformer Transformer T2 Rectifier Filament Western Electric No D 96782 Trans Transformer former T3 Amplifier Filament Western Electric No D 96172 Trans Transformer former Vil Amplifier Tube...

Страница 20: ...Rue Boudewyns P 0 Box 526 Antwerp BRAZIL International Standard Electric Corp Caixa Postal 430 Street Address Aveniebe Rio Rranro 997101 Rio de Janeiro CHINA China Electric Co I td 960 Fokien Road P 0...

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