First designed as an optional upgrade accessory for the DS Instruments integrated-LO microwave mixers, the FRXO100 provides an extremely stable reference clock for nearly any type of RF equipment. Not only does it provide four 10MHz outputs, the FRXO also provides two ultra-low-noise 100MHz clock outputs, and a programmable divided output between 0.1 and 50MHz.
Industry standard SCPI commands allow the FRXO100 to be controlled by any host system with a USB interface. The USB port is configured as a virtual COM port allowing user software to access change settings on the reference source and monitor status easily and without additional drivers.
| Parameter | Min | Max | Typ | Units | |
| 10MHz OCXO frequency stability | +/-5.0 | PPB | |||
| Output power level (10MHz, 100MHz) | 12 | 16 | 14 | dBm | |
| Output power level (10MHz, 100MHz) | 3.2 | Vpp | |||
| Device typical warm up time at room temp | 5 | min | |||
| 10MHz output jacks (MCX) | 4 | ||||
| 100MHz output jacks (MCX) | 2 | ||||
| Divider output jacks (MCX) | 1 | ||||
| Divider output frequency range | 0.1 | 50 | MHz | ||
| Phase jitter (10Hz to 5MHz) | 1 | pS | |||
| Phase noise – 10MHz | @ 1KHz offset | -145 | dBc/Hz | ||
| @ 10KHz offset | -150 | dBc/Hz | |||
| @ 100KHz offset | -150 | dBc/Hz | |||
| Phase noise – 100MHz | @ 1KHz offset | -140 | dBc/Hz | ||
| @ 10KHz offset | -160 | dBc/Hz | |||
| @ 100KHz offset | -160 | dBc/Hz | |||
| Crystal aging – Daily | +/-1 | PPB | |||
| Crystal aging – Yearly | +/-50 | PPB | |||
| Operating temperature range | 0 | 50 | 25 | C | |
| DC current usage (lowers with higher device temp) | 1.5 | .75 | A | ||
| USB DC input voltage range | 4.5 | 5.3 | 5.0 | V | |
| USB virtual COM port speed | 115200 | bps | |||
