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Product Detailed Parameters
- Description：XTAL OSC VCXO
- Series：VG7050EAN
- Mfr：EPSON
- Package：Bulk
- Base Resonator：Crystal
- Type：VCXO
- Programmable Type：Blank (User Must Program)
- Available Frequency Range：50 MHz ~ 800 MHz
- Function：Enable/Disable
- Output：LVPECL
- Voltage - Supply：3.3V
- Frequency Stability：-
- Frequency Stability (Total)：±50ppm
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：90mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：8-SMD, No Lead
- Size / Dimension：0.276" L x 0.197" W (7.00mm x 5.00mm)
- Height - Seated (Max)：0.067" (1.70mm)
- Supplier Device Package：8-SMD (7x5)
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Overview
The VG7050EAN SM18T003-CJGLPZB is a programmable voltage-controlled crystal oscillator (VCXO) manufactured by EPSON. It operates within a frequency range of 50 MHz to 800 MHz and utilizes LVPECL output logic. The device supports a supply voltage of 3.3V and includes enable/disable functionality. It is housed in an 8-SMD, no-lead package designed for surface mount technology. The unit requires user programming and functions as a blank programmable type with a base resonator of crystal.
Feature Summary
- Supports wide frequency tuning from 50 MHz to 800 MHz
- Features LVPECL output interface for high-speed signal integrity
- Includes integrated enable and disable control capability
- Designed for surface mount assembly in compact form factors
Applications
- High-performance networking equipment requiring precise clocking
- Telecommunications infrastructure systems
- Industrial control applications needing stable frequency generation
- Test and measurement instruments
Procurement Notes
Verify the specific suffix CJGLPZB against official EPSON documentation to confirm exact pinout and packaging specifications. Ensure that the blank programming requirement is addressed during design integration, as this component does not come pre-programmed with a fixed frequency. Confirm compatibility with 3.3V power domains and LVPECL load requirements before finalizing procurement orders.
Selection Notes
Select this component when a wide tunable frequency range up to 800 MHz is required alongside LVPECL outputs. Consider the need for external programming tools or firmware support due to its blank programmable nature. Evaluate thermal management needs given the SMD package and operating temperature range. Compare against fixed-frequency alternatives if tuning flexibility is not necessary for the specific application design.
Part Context
This part belongs to the VG7050 series of programmable oscillators from EPSON. These devices are engineered for applications demanding low phase noise and high stability. The series typically offers various output types and frequency ranges. This specific model focuses on the VCXO variant with LVPECL outputs, catering to systems requiring frequency agility and precise clock distribution.
Replacement Considerations
Direct substitutes must match the 8-SMD no-lead package, 3.3V operation, and LVPECL output type. Verify that any replacement also supports the 50 MHz to 800 MHz range and requires user programming. Cross-reference datasheets for pin-to-pin compatibility and electrical characteristics to ensure seamless integration without circuit redesign.
FAQ
Is the VG7050EAN SM18T003-CJGLPZB pre-programmed?
No, this component is a blank programmable type, meaning the user must program the desired frequency and parameters.
What is the output logic type for this oscillator?
The device uses LVPECL (Low Voltage Positive Emitter Coupled Logic) output.
