Frequency Standard

Tycho II Precision TimeBase
Our Basic GPS Time & Frequency Standard for Precision and Accuracy

Frequency Standard
The Tycho II GPS TimeBase provides the most precise and stable, GPS-synchronized, time & frequency outputs in its class.  The Tycho II uses software algorithms that are the result of over 20 years of engineering experience in the time-and-frequency-control industry.  These algorithms steer the outputs and isolate them from system anomalies, providing you with unmatched precision and accuracy.
  • Modular, plug-and-play architecture supports up to 5 option modules in a 1U chassis.
  • 1 PPS timing output accurate to <25 nanoseconds RMS to UTC(USNO).
  • Frequency accuracy better than 6x10-14 at 1 day.
  • Dual-gigabit, IPv4/IPv6 Ethernet network ports.
  • High-bandwidth NTP server (7500 packets per second).
  • Security-hardened network interface and protocols.
  • Optional PTP/IEEE-1588 Grandmaster (8-nanosecond hardware timestamping).
  • Time code output and RS-232 serial port.
  • Two-year warranty, free software upgrades and technical support.
  • Options: OCXO, Rubidium, Low Phase Noise Outputs, Telecom Outputs, Pulse Rates to 10 MPPS, additional Time Code Outputs, Alarm, -48 Vdc Power, and more.
Web Interface
Sample Tycho II Webpage
Status monitoring can be easily accomplished by pointing your web browser to the Tycho II.  Here is an example of one of the status pages.  You can also perform software upgrades with the Web Interface.  For security-conscious users, HTTPS can be completely disabled.

Oscillator Options
The Tycho II can be configured with a medium-stability, high-stability, or ultra-stable OCXO with SC-cut resonator. Rubidium oscillator options are also available for optimum holdover performance.  See pages 8 & 9 of the Tycho II Options datasheet.

Low Phase Noise (LPN) Output Option
This option provides four to 20 isolated, 5 or 10 MHz, frequency output signals with exceptional spectral purity.  Careful attention to power supply filtering and signal routing preserve the same high-performance phase noise and spurious noise characteristics as the source oscillator.  See pages 6 & 7 of the Tycho II Options datasheet.

Telecom Clock Output Option
This option module provides two or four outputs which can be any combination of E1, T1 or Composite Clock.  An alarm output is available as an additional option.  SSM is supported.  See page 4 of the Tycho II Options datasheet.

More Options
Several other output options are available - see the Tycho II Options datasheet for details.  These outputs provide additional flexibility in configuring your Tycho II Precision TimeBase:
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  • Up to 21 programmable pulse rate outputs.
  • Up to 21 buffered analog time code outputs.
  • Up to 21 direct digital synthesizer (DDS) outputs.
  • An alarm output.
  • A second serial port with a once-per-second, on-time, serial timestring.
  • And more...
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