Visual Overview
Technical Details
Comprehensive specifications and technical information
XHTF1011 High Accuracy Rubidium Oscillator
Overview
The XHTF1011 High Accuracy Rubidium Oscillator is designed to provide unparalleled frequency accuracy and stability in demanding applications. Its compact form factor, high reliability, and robust performance make it ideal for integration into critical time-frequency systems. For inquiries, please contact us.
Features
- Operates effectively across a wide temperature range (-40°C to +70°C).
- Compact structure with high reliability.
- Fast 1PPS discipline and synchronization.
- Specialized unlock holding function for enhanced stability.
- RS-232C serial communication interface for control and monitoring.
- Suitable for harsh environments, including airborne, vehicular, and military applications.
Applications
- Integrated into time-frequency systems requiring high reliability and harsh environment tolerance, such as airborne, vehicular, and shipborne platforms.
Main Specifications
Core Specifications
| Specification | Details | ||
|---|---|---|---|
| Short-term Stability | Option-05 | 1s | 5E-12 |
| ++::++ | 10s | 1.5E-12 | |
| ++::++ | 100s | 5E-13 | |
| Option-10 | 1s | 1E-11 | |
| ++::++ | 10s | 3E-12 | |
| ++::++ | 100s | 1E-12 | |
| Option-30 | 1s | 3E-11 | |
| ++::++ | 10s | 1E-11 | |
| ++::++ | 100s | 3E-12 |
| Specification | Details | ||
|---|---|---|---|
| Aging (Frequency Drift) | Option-05 | <5E-13/day | |
| Option-30 | <3E-12/day |
| Specification | Details | ||
|---|---|---|---|
| Phase Noise (SSB) | Option-U | @1Hz | -87 dBc/Hz |
| ++::++ | @10Hz | -107 dBc/Hz | |
| ++::++ | @100Hz | -142 dBc/Hz | |
| ++::++ | @1kHz | -152 dBc/Hz | |
| ++::++ | @10kHz | -155 dBc/Hz | |
| Option-L | @1Hz | -80 dBc/Hz | |
| ++::++ | @10Hz | -90 dBc/Hz | |
| ++::++ | @100Hz | -130 dBc/Hz | |
| ++::++ | @1kHz | -145 dBc/Hz | |
| ++::++ | @10kHz | -150 dBc/Hz | |
| Option-N | @1Hz | -75 dBc/Hz | |
| ++::++ | @10Hz | -85 dBc/Hz | |
| ++::++ | @100Hz | -125 dBc/Hz | |
| ++::++ | @1kHz | -140 dBc/Hz | |
| ++::++ | @10kHz | -145 dBc/Hz |
| Specification | Details | ||
|---|---|---|---|
| External 1PPS Quick Discipline | 60 minutes | 10⁻¹¹ level | |
| 90 minutes | 10⁻¹² level |
| Specification | Details | ||
|---|---|---|---|
| Adjustment range | Internal mechanical adjustment | ＞-1E-9～+1E-9 | |
| External electric level adjustment | ＞-1E-9～+1E-9 | ||
| Software adjustment | ＞-1E-9～+1E-9 |
| Specification | Details | ||
|---|---|---|---|
| Status monitoring | Lock state indication | <0.4V lock | ＞4V unlock |
| Hold state indication | <0.4V holding | ＞4V non-holding |
| Specification | Details | ||
|---|---|---|---|
| Temperature | Option T | 1.5E-10 | |
| Option J | 3E-10 | ||
| Option P | 5E-10 |
Pin Connection Details
| Pin Number | Function | Pin Number | Function |
|---|---|---|---|
| 1 | GND | 9 | 1PPS Output |
| 2 | RXD (RS-232C) | 10 | Lock Status |
| 3 | TXD (RS-232C) | 11 | Holding State |
| 4 | GND | 12 | N/A |
| 5 | +24 VDC | 13 | N/A |
| 6 | +24 VDC | 14 | GND |
| 7 | Frequency Adjustment | 15 | GND |
| 8 | 1PPS Input | —— |
Frequently Asked Questions
Common questions about XHTF1011 Rubidium Frequency Standard
What applications require this atomic clock?
This atomic clock is essential for satellite navigation systems, deep space communications, scientific research, precision timing networks, and synchronization of distributed systems. It provides ultra-stable frequency references for critical space and ground applications.
How does this compare to other atomic clocks?
Our atomic clocks offer superior frequency stability, lower power consumption, compact size, and enhanced radiation tolerance compared to conventional designs. They maintain exceptional accuracy over extended mission durations in harsh space environments.
What is the expected operational lifetime?
The atomic clock is designed for 15+ years of continuous operation in space. It features redundant systems, radiation-hardened components, and proven reliability with extensive flight heritage on navigation satellites and deep space missions.
How is the clock synchronized and monitored?
The system includes comprehensive telemetry interfaces for real-time performance monitoring, remote diagnostics, and synchronization with ground stations. It supports standard timing protocols and provides detailed health status reporting.
What environmental conditions can it withstand?
The atomic clock operates reliably in extreme temperatures (-40°C to +70°C), high radiation environments, and zero gravity. It meets stringent space qualification standards for vibration, shock, and electromagnetic compatibility.