The official website - Shenzhen Mingjiada Electronic Co., LTD
The Renesas jitter attenuator utilizes a low-jitter external reference and control circuit system to eliminate unwanted noise from one or more input clock signals. Different models of this standard series of products use VCXOs or simple crystals as references. Innovative technology supports the use of fixed-frequency crystals instead of the scarce traction crystal devices on the market. In addition, the jitter attenuator product also includes a frequency conversion section, supporting the difference between the output frequency and the input frequency. This input-output frequency can adopt an integer or non-integer ratio depending on the selected device. Several devices in this series can support multiple of the above ratios, thereby providing a variety of independent frequencies and even supporting non-integer relationships between output frequencies.
Integrating the jitter attenuator and frequency converter simplifies the circuit while minimizing the bill of materials (BOM). Renesas' extensive portfolio of jitter attenuators and frequency converters offers different levels of performance, power consumption and programmability, capable of meeting the demands of almost any application. Renesas jitter attenuators support various single-ended and differential signal levels, such as LVCMOS, LVPECL, LVDS, HCSL, HSTL or SSTL.
Shenzhen Mingjiada Electronics Co., LTD., relying on its global clock component supply chain and military-grade testing capabilities, specializes in supplying the full range of Renesas frequency conversion jitter attenuators. With original factory resources, deep inventory and technological empowerment, it helps customers overcome timing challenges in cutting-edge scenarios such as PCIe Gen6 and terabit optical communication.
I. Core Technology: Three Disruptive Breakthroughs in Frequency Conversion Jitter Attenuators
Femtosecond jitter suppression and flexible frequency reconstruction
The core value of the Renesas frequency conversion jitter attenuator lies in simultaneously achieving ultra-low phase noise (typically 25fs RMS) and free frequency mapping capability 48. Take the flagship model RC38x08 as an example. It integrates a digital control oscillator (DCO), supporting arbitrary integer/non-integer ratio conversion between input and output frequencies, with an error approaching 0ppm, completely breaking the ratio limitations of traditional PLL. For example, in an 112G SerDes system, a 100MHz reference clock can be converted to a 156.25MHz SerDes clock, while jitter is suppressed to the quantum limit (<25fs RMS).
2. Multi-domain synchronization architecture
Innovative integration of dual synchronous domain + four-frequency domain control
Synchronization domain: Independently locks IEEE 1588v2 and SyncE protocols, with nanosecond-level timestamp accuracy meeting the strict standards of 5G fronthaul CPRI/eCPRI.
Frequency domain: Each domain is independently configured with frequency division/doubling coefficients. For instance, 8T49N241 can simultaneously generate 4 independent frequencies (8kHz to 1GHz), driving the optical module DSP, SerDes reference clock and base station RF local oscillator.
3. System-level integration innovation
Built-in LDO and PSRR optimization: Power rejection ratio >80dB (@100kHz), eliminating PCB noise coupling and replacing 6 discrete modules;
Crystal benchmark Revolution: Supporting fixed-frequency crystals to replace expensive VCXOs, reducing BOM costs by 34% (such as RC31012BDDDGNA integrated oscillating crystal).
Ii. Supply Barriers of Mingjiada: Breaking the Delivery Bottleneck of High-End Clock Components
Facing fluctuations in the global semiconductor supply chain, Mingjiada has reshaped its service standards with a dual engine of "deep inventory + original factory traceability"
Million-level spot inventory: The Shenzhen central warehouse always keeps over 5,000 pieces of rare models such as 8T49N241-994NLGI and RC31012BDDDGNA in stock. Urgent orders will be dispatched within 24 hours upon activation.
Original factory-level quality control: Ensure that all components in the series are sourced from Renesas' original factory or authorized channels, eliminating the risks of refurbishment and counterfeiting.
Core product matrix
FemtoClock® NG series (such as 8T49N241) : Supports 1GHz bandwidth and full G.709 FEC rate, becoming the core timing engine for OTN devices;
VersaClock® 7 series (such as RC31012BDDDGNA) : Integrated with 12 differential outputs, 150fs jitter meets the PCIe Gen6 specification, and replaces complex programming through hardware pin configuration;
Multi-channel DPLL flagship models (such as 8A34041B) : Eight-channel independent phase-locked, driving 24-channel LVCMOS output, providing nanosecond-level clock redundancy switching for cloud servers.
Get your ultra-precision timing solution right now
▸ Spot line: +86 13410018555 (Mr. Chen)
▸ business email: sales@hkmjd.com
▸ official website price: www.mjdic.com
