The DS4077 is an integrated voltage-controlled crystal oscillator (VCXO) module designed to provide reference clock generation in base stations, telecom/datacom, and wireless applications. It features low jitter and low phase noise.
The DS4077 VCXO module provides reference‑clock generation for base stations, telecom/datacom and wireless applications. It uses a fundamental quartz crystal and an integrated circuit design, delivering low phase‑noise and jitter performance with customizable frequencies.
Key specifications include a 50 MHz‑122.88 MHz frequency range, supply voltage of 3.135 V‑3.465 V, jitter under 0.8 ps RMS, and phase‑noise better than –125 dBc/Hz at 1 kHz. The device is offered in a 14 mm × 9 mm × 3.06 mm LGA package with LVCMOS or LVDS output options and operates from –40 °C to +85 °C.
| Supply voltage (VDD) | 3.135 V to 3.465 V |
|---|---|
| Jitter (RMS) | < 0.8 ps |
| Phase noise (1 kHz offset) | better than –125 dBc/Hz |
| Absolute Pull Range (APR) | ±69 ppm |
| Package dimensions | 14 mm × 9 mm × 3.06 mm LGA |
| Operating temperature range | -40 °C to +85 °C |
| Output options | LVCMOS or LVDS buffers |
The device achieves jitter better than 0.8 ps RMS.
It delivers phase‑noise better than –125 dBc/Hz at 1 kHz.
The supply voltage (VDD) must be between 3.135 V and 3.465 V.