CR-122.880MBE-T

Oscillators Overview

The CR-122.880MBE-T is a Voltage Controlled Crystal Oscillator (VCXO) manufactured by TXC Corporation. It operates at a fundamental frequency of 122.88 MHz with a frequency stability of ±50 ppm. The device is powered by a single 3.3 V supply and features an LVPECL output format, although some sources indicate CMOS; the official datasheet reference for this specific part number typically aligns with LVPECL or CMOS depending on the suffix, but the provided text lists both. It supports an enable/disable function and functions within an operating temperature range of -40°C to +85°C. The component is housed in a compact surface-mount package.

Oscillators Feature Summary

• Voltage controlled crystal oscillator design for precise frequency tuning
• Integrated enable and disable functionality for power management
• Industrial grade temperature rating for reliable operation in harsh environments
• Surface mount packaging for automated assembly integration

Oscillators Applications

• Telecommunications equipment requiring stable clock signals
• Data communication interfaces needing low jitter performance
• Industrial control systems operating in wide temperature ranges
• Test and measurement instruments requiring precise timing references

Oscillators Procurement Notes

Verify the output logic family (LVPECL vs CMOS) against the specific manufacturer datasheet, as conflicting descriptions exist in distributor listings. Confirm the exact package dimensions and pinout configuration prior to PCB layout finalization. Ensure that the supply voltage requirements match the system design, specifically noting the 3.3V nominal operation. Check for RoHS compliance status if environmental regulations apply to the end product. Validate the lead time and availability directly with authorized distributors due to potential stock discrepancies.

Oscillators Selection Notes

Select this component when a VCXO with a 122.88 MHz center frequency is required. Consider the ±50 ppm stability specification against the system's jitter tolerance requirements. Evaluate the enable/disable feature necessity for power-sensitive applications. Compare the physical footprint constraints with available board space. Assess the operating temperature range suitability for the intended deployment environment.

Oscillators Part Context

This part belongs to the broader category of oscillators produced by TXC Corporation. It is distinct from standard XO models by its voltage-controlled nature, allowing for frequency modulation. The 122.88 MHz frequency is commonly used in digital audio and telecommunications standards. The series designation indicates specific performance characteristics relative to other TXC oscillator families.

Oscillators Replacement Considerations

Direct substitutes include the BJ-122.880MCE-T and CJ-122.880MBE-T from TXC Corporation, which share similar frequency and voltage specifications. Verify pin compatibility and output logic levels before substitution. Cross-reference with other manufacturers' VCXO offerings only if electrical parameters and mechanical dimensions are identical.