| Allicdata Part #: | 637E156E5C2T-ND |
| Manufacturer Part#: |
637E156E5C2T |
| Price: | $ 2.30 |
| Product Category: | Crystals, Oscillators, Resonators |
| Manufacturer: | CTS-Frequency Controls |
| Short Description: | OSC XO 84.7739MHZ LVPECL SMD |
| More Detail: | 84.7739MHz XO (Standard) LVPECL Oscillator 2.5V En... |
| DataSheet: |  637E156E5C2T Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 2.07012 |
Specifications
| Series: | 637 |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Base Resonator: | Crystal |
| Type: | XO (Standard) |
| Frequency: | 84.7739MHz |
| Function: | Enable/Disable |
| Output: | LVPECL |
| Voltage - Supply: | 2.5V |
| Frequency Stability: | ±25ppm |
| Operating Temperature: | -20°C ~ 70°C |
| Current - Supply (Max): | 88mA |
| Ratings: | -- |
| Mounting Type: | Surface Mount |
| Package / Case: | 6-SMD, No Lead |
| Size / Dimension: | 0.276" L x 0.197" W (7.00mm x 5.00mm) |
| Height - Seated (Max): | 0.079" (2.00mm) |
| Current - Supply (Disable) (Max): | -- |
Description
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Oscillators are devices or systems that produce oscillatory energy. Oscillators are used widely for a variety of purposes—everything from regulating the speed of a motor to keeping accurate time. 637E156E5C2T is one type of oscillator. It is a digital controlled sine-wave oscillator (DCO) with an integrated clock multiplier, which enables it to generate a wide range of sine-wave frequencies from 0.1Hz to 4MHz. 637E156E5C2T is useful for applications that require the precise generation of a repeating or non-repeating sine-wave. It is commonly used to generate very low-noise, low-distortion signals for filtering, buffering, and amplifying circuits. Additionally, it can be used for generating frequency and phase control signals for servo systems.This oscillator combines a complex array of electronics into one integrated chip. It contains a voltage controlled oscillator (VCO), divider, phase-locked loop (PLL), and signal conditioning circuitry, all on a single chip. The DCO contains a low jitter clock multiplier and a 10-bit linear dithering generator, making it well-suited for generating very precise sine-wave signals.The operation of the 637E156E5C2T is based on a phase-locked loop (PLL). PLLs are commonly used to generate precise signal frequencies. A PLL is a closed-loop system that uses feedback to synchronize the output to a reference frequency. This closed-loop system consists of a phase detector and a voltage controlled oscillator (VCO). The phase detector compares the phase of the reference frequency with that of the VCO output. Any phase difference is detected and used to adjust the output frequency of the VCO, thereby locking the output of the PLL to the reference frequency. In the 637E156E5C2T, the PLL is used to generate precise sine-wave frequencies from 0.1Hz to 4MHz. It contains a voltage-controlled oscillator (VCO) with an integrated clock multiplier and a 10-bit linear dithering generator. The clock multiplier multiplies the reference frequency to generate higher frequencies, and the dithering generator provides frequency control with 0.4Hz resolution.The VCO can be driven by an external voltage or by the on-chip oscillator. The on-chip oscillator can be programmed to oscillate at a particular frequency and has a wide range of programming frequencies. The PLL can be used to switch between two or more frequencies and can also generate a wide range of frequencies. The 637E156E5C2T is a highly flexible oscillator suitable for a wide range of applications. It is useful for regulating the speed of motors, producing precision sine-wave signals for filtering, buffering, and amplifying circuits, and generating frequency and phase control signals for servo systems. Its small size, low power consumption, and high precision make it an ideal choice for these applications.
The specific data is subject to PDF, and the above content is for reference
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