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Summary of Contents for DRAKE PS7 1502

  • Page 2 PS-7 Power Supply...
  • Page 3 NOTE: Care should be taken to insure that adequate clearance is provided around the PS-7 for proper circula- tion of air, especially around the heat sinks. Also, avoid placing books, pa- pers, or other pieces of-equipment on top of the unit as overheating could result.
  • Page 4 PS-7 POWER SUPPLY, MODEL 1502 General Description The PS-7 is a 13.6 volt, DC regulated power supply capable of de- livering up to 25 amps of continuous current. Excellent voltage regulation is provided by a silicon monolithic integrated circuit and associated circuitry. Output voltage and current are adjust- able with internal controls which have been factory set to provide 13.6 volts at up to 25 amps.
  • Page 5 Overvoltage Protection If the PS-7 regulator section should fail or one of the pass tran- sistors should short, the unit will automatically shut down. If the DC output voltage should soar above 16 VDC, an SCR crowbar clamps the output to ground to protect the load and open the pri- mary fuse.
  • Page 6 Linear Amplifier All necessary connections for use with a linear amplifier are provided on the rear panel of the PS-7. Refer to Figure 3. Connect a patch cord to the ALC Jack and the VOX Jack. Factory Service The PS-7 will be checked and serviced at the factory for a nominal fee if there is no evidence of tampering.
  • Page 8 PS-7 POWER SUPPLY SPECIFICATIONS 100, 120, 200, or 240 Volts AC, AC INPUT: +- 10% 50-60 HZ. 13.6 Volts DC with less than 3mV RMS DC OUTPUT: of ripple at 25 amperes load. 25 amperes continuous.( at 25°C. ambient ) DC CURRENT: 13.6 VDC regulated.
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