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Operating Instructions Manual

GENERAL RADIO COMPANY 1269·A, Operating Instructions Manual

The GENERAL RADIO COMPANY 1269·A Operating Instructions Manual is now available for free download at manualshive.com. This comprehensive manual provides detailed guidelines and step-by-step instructions for operating and maintaining your 1269·A device. Simply visit our website to easily access and download your copy of the manual.

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Summary of Contents for 1269·A

Page 1: ...OPERATING INSTRUCTIONS TYPE 1269 A POWER SUPPLY Figure 1 Type 1269 A Power Supply ...

Page 2: ...ut is about 405 volts de A 6 3 volt 3 ampere ac heater supply is also provided If the ac load is limited to 1 5 amperes as much s 65 milliamperes can be drawn from the 300 volt supply at about 285 volts Ripple is less than 80 millivolts ac at full load Both the 6 3 volt ac and the 300 volt de supplies are isolated from ground and from each other to permit greater latitude in external connections 4...

Page 3: ...ust covers from both instruments by unscrewing the two thumbscrews at the rear of each cover and removing the covers 2 Remove the rubber feet from the right hand side of the power supply and from the left hand side of the oscillator 3 Coil the power cables and plug them in as required 4 Slip the long 10 32 screws supplied with the power supply through the matching holes near the rear on the side p...

Page 4: ...ers will assist in any way possible If the difficulty cannot be eliminated please write or phone our Service De partment see rear cover giving full information of the trouble and of the trouble and of steps taken to remedy it Be sure to mention the serial and type numbers of the instrument Before returning an instrument to General Radio for service please write to our Service Department or nearest...

Page 5: ... maximum de load is 65 rna about 285 volts de Regulation At no load de output is 380 volts Ripple Less than 80 mv rms 120 cps at full load Input 105 to 12 or 210 to 250 volts 50 tp 60 cps 50 watts full load at 115 or 230 volts Can also be operated from a 110 to 125 v 400 cycle supply for applications where a 400 cycle 6 3 v output can be tolerated Connectors Line cord permanently attached to instr...

Page 6: ...t Linden WASHINGTON Rockville Pike at Wall lon Ridgefleld New Jersey Rockville Maryland SYRACUSE Pickard Building East Molloy Road ClEVELAND 5579 Pearl Road Syracuse 11 New York Cleveland 29 Ohio PHILADELPHIA 1150 York Road CHICAGO 6605 West North Avenue Abington Pennsylvania Oak Pork Illi nois FlORIDA 113 East Colonial Drive Orlando Florida DAllAS 2501 A West Mockingbird lone Dal las 35 Texas LOS...

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