Visual Overview
Technical Details
Comprehensive specifications and technical information
Overview
The XHTF1021 Compact Rubidium Atomic Clock is a highly efficient and reliable timekeeping device that combines low power consumption, compact structure, and excellent synchronization capabilities. For inquiries, please contact us.
Features
- Compact structure for space-constrained applications.
- Low power consumption at +12V DC.
- RS-232C serial port for reliable communication.
- Supports 1PPS input synchronization and outputs a standard second signal.
Applications
- Widely used in aviation, aerospace, navigation, communication, and power industries.
Main Specifications
Core Specifications
| Specification | Typical | High performance | |
|---|---|---|---|
| Short-term Stability | 1s | <3E-11 | <1.5E-11 |
| 10s | <1E-11 | <5E-12 | |
| 100s | <3E-11 | <1.5E-12 |
| Specification | Typical | High performance | |
|---|---|---|---|
| Phase Noise (SSB) | @10Hz | <-100 dBc/Hz | |
| @100Hz | <-130 dBc/Hz | ||
| @1kHz | <-140 dBc/Hz |
| Specification | Typical | High performance | |
|---|---|---|---|
| Adjustment Range | Internal mechanical adjustment | ≥2E-9 | |
| External mechanical adjustment | ≥2E-9 |
| Specification | Typical | High performance | |
|---|---|---|---|
| 1PPS Input Sync Function (Optional) | 1PPS synchronization | ≤±50 ns | |
| Frequency accuracy | ≤1E-12/day (after one day discipline) |
Pin Connection Details
| Pin Number | Function | Pin Number | Function |
|---|---|---|---|
| 1 | Lock Status | 6 | NC or 1PPS Output |
| 2 | GND | 7 | +12V |
| 3 | NC or RXD | 8 | NC or 1PPS Output |
| 4 | NC or TXD | 9 | Lock Test |
| 5 | External Power Adjust | —— |
External Dimension
An external dimension of 89 × 76 × 28 mm, ensuring compact integration for various applications.
Frequently Asked Questions
Common questions about XHTF1021 Compact Rubidium Atomic Clock
How compact and power-efficient is the XHTF1021?
It measures 89×76×28 mm and runs from a +12 V DC supply with low power consumption, using an RS-232C serial port for communication, which suits space-constrained aviation and aerospace installations.
What frequency stability does the XHTF1021 provide?
In its high-performance grade short-term stability is <1.5×10⁻¹¹ at 1 s, <5×10⁻¹² at 10 s, and <1.5×10⁻¹² at 100 s, with 10 MHz phase noise of <-100 dBc/Hz at 10 Hz, <-130 dBc/Hz at 100 Hz, and <-140 dBc/Hz at 1 kHz.
What synchronization capability does the XHTF1021 offer?
With its optional 1PPS input synchronization it achieves ≤±50 ns synchronization and a frequency accuracy of ≤1×10⁻¹²/day after one day of disciplining, and it outputs a standard second signal.
Which industries use the XHTF1021?
It is widely used in aviation, aerospace, navigation, communication, and power industries.
