Frequency Standard

Features

Specifications

• Overall Height:
  8.750 inches
• Overall Width:
  16.375 inches
• Ac Voltage Rating:
  115.0 volts and 230.0 volts
• Frequency Rating:
  50.0 megahertz and 60.0 megahertz and 400.0 megahertz
• Frequency Range Rating:
  +0.100/+5.000 megahertz
• End Application:
  Operation systems and national laboratories reference standards
• Unit Type:
  Standard
• Unpackaged Unit Weight:
  70.000 pounds
• Mounting Method:
  Base
• Recording Device Accommodation:
  Not provided
• Phase:
  Single
• Functional Description:
  Provides precise timing for frequency control by putting the correct frequency within very narrow limits
• Reference Data And Literature:
  Hp 1975 product catalog
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-118-7857
• Special Features:
  Opt 004 is high performance cesium beam tube, avg life 10, 000 hrs; accuracy: porm 7 x 10e12 over temp 0-50 degrees c; stability: porm 3 x 10e1 (1); ssb phase noise signal (1 hz bw): -28 db at 10em3 hz/m140 db at 10e3; dc magnetic field stability: porm 2 x 10em13, 2 gauss field; front and rear bnc; reproducability: porm 3 x 10em1 (3); settability: porm 1 x 10em13(3) ; ac magnetic field: less than 2 x 10em12 for 2 gauss peak