Options - Option 12 Oven-Controlled Crystal Oscillator and Four Additional Outputs -DISCONTINUED-

Summary Information


Adds a medium-performance ovenized backup oscillator (OCXO) and four additional jumper-configurable outputs. Available on the Model 1088.

Full Description


Option 12 for the Model 1088A/B adds a disciplined oven-controlled crystal oscillator (OCXO) having stability if 1 part in 107 over temperature, and four additional configurable outputs.

Maintains frequency within 1x10-7, maximum, for a maximum drift rate of 8.6 ms/day. In a constant environment, it typically maintains frequency within 1x10-8 and time within 500 microseconds for a period of 24 hours. Available on the Model 1088B.

Specifications

General

  • Output Connectors: BNC-type RF connectors (4).
  • Oscillator: Oven-controlled, 1x10−7 over 0 °C to 50 °C.

Digital Outputs

  • Output Type: High-Speed CMOS (74HC126), 0 volts to 5 volts, with 47 ohm series resistance.
  • Available Outputs: Note: All outputs available on Model 1088B and other clocks as noted.
  • IRIG-B: IRIG format B time code (unmodulated).
  • IRIG-E: IRIG format E time code.
  • IRIG-H: IRIG format H time code.
  • 10 MPPS: 10,000,000 pulse-per-second (PPS) square wave, synchronous to the 1 PPS output.
  • 5 MPPS: 5,000,000 PPS square wave, synchronous to the 1 PPS output.
  • 1 MPPS: 1,000,000 PPS square wave, synchronous to the 1 PPS output.
  • 100 kPPS: 100,000 PPS square wave, synchronous to the 1 PPS output.
  • 10 kPPS: 10,000 PPS square wave, synchronous to the 1 PPS output.
  • 1 kPPS: 1,000 PPS square wave, synchronous to the 1 PPS output.
  • 100 PPS: 100 PPS square wave, synchronous to the 1 PPS output.
  • 60 PPS: 60 PPS square wave, synchronous to the 1 PPS output.
  • 50 PPS: 50 PPS square wave, synchronous to the 1 PPS output.
  • 10 PPS: 10 PPS square wave, synchronous to the 1 PPS output.
  • IRIG-D/1 PPM: IRIG format D time code (1 pulse per minute), rising edge on time.
  • 1 PPH: 1 pulse per hour, rising edge on time.
  • 1 PPS: 1 PPS (10 ms high), synchronous to 1 PPS/GPS.
  • Programmable: Outputs a single pulse at a preprogrammed time, or a continuous pulse train having a period of one day or less. Pulse width is adjustable from 0.01 to 600 seconds.
  • Out-of-Lock: Normally HI after acquisition of satellite signals. Toggles LO nn minutes after loss of satellite signal lock. Range for nn is 00 to 99, and is set using the SETUP menu or RS-232C (refer to clock Operation Manual). Setting of 00 disables this function (output remains HI). This output follows the standard Out-of-Lock function on the clock.
  • IRIG-B (Modified Manchester): IRIG format B time code, Manchester encoded with 1 kPPS carrier, and data transitions on time mark. Also available on clock Model 1084A/B/C.
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