VG-4231CE 32.7680M-PSBM0 Allicdata Electronics
Allicdata Part #:

VG-4231CE32.7680M-PSBM0-ND

Manufacturer Part#:

VG-4231CE 32.7680M-PSBM0

Price: $ 0.99
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: Epson
Short Description: OSC VCXO 32.768MHZ CMOS SMD
More Detail: 32.768MHz VCXO CMOS Oscillator 2.8V 4-SMD, No Lea...
DataSheet: VG-4231CE 32.7680M-PSBM0 datasheetVG-4231CE 32.7680M-PSBM0 Datasheet/PDF
Quantity: 1000
1000 +: $ 0.89208
Stock 1000Can Ship Immediately
$ 0.99
Specifications
Mounting Type: Surface Mount
Package / Case: 4-SMD, No Lead
Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max): 0.047" (1.20mm)
Current - Supply (Disable) (Max): --
Series: VG-4231CE
Packaging: Tape & Reel (TR) 
Part Status: Active
Base Resonator: Crystal
Type: VCXO
Frequency: 32.768MHz
Function: --
Output: CMOS
Voltage - Supply: 2.8V
Frequency Stability: ±37ppm
Absolute Pull Range (APR): ±100ppm
Operating Temperature: -40°C ~ 85°C
Current - Supply (Max): 6.2mA
Ratings: --
Description

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Oscillators

VG-4231CE 32.7680M-PSBM0 application field and working principle

VG-4231CE 32.7680M-PSBM0 is a low frequency temperature compensated crystal oscillator (TCXO) that is widely used in automotive, aviation and other electronic engineering industries, as well as medical equipment, telecommunication equipment, and others. The TCXO is a micro-machined component that combines the stable frequency control elements of a crystal oscillator and the temperature compensation elements of a temperature controlled crystal oscillator. It is a type of device that converts input electrical signals into continuous oscillations and is usually used as a precision timing reference direct digital frequency synthesiser.

In order to achieve a stable, precise, and reliable crystal oscillator, VG-4231CE 32.7680M-PSBM0 integrates five distinct parts. These five parts are the quartz crystal, the IC controller, the voltage-controlled oscillator (VCO), the temperature-compensated voltage-controlled oscillator (TCVCO), and the power amplifier.

Quartz Crystal

The quartz crystal is the primary element responsible for the frequency stability of this oscillator. Quartz crystal is a very stable piezoelectric material which displays excellent frequency stability under temperature changes and vibration. Due to its high Q factor, quartz crystals provide superior performance compared to other oscillators due to their exceptional temperature stability, low power consumption, and low noise. Quartz crystals also have the ability to alter their frequency linearly in response to an external electric field.

IC Controller

The IC controller in VG-4231CE 32.7680M-PSBM0 is responsible for converting the electrical charge provided by the quartz crystal to a digital or analog signal. The controller is able to accurately track the frequency of the quartz crystal and modify its output accordingly in order to meet the desired frequency set-point. It also monitors and controls the output power, as well as other parameters of the oscillator.

Voltage-Controlled Oscillator (VCO)

The VCO in VG-4231CE 32.7680M-PSBM0 is responsible for converting the electrical charge provided by the quartz crystal into a frequency. The VCO consists of a capacitor and inductor, which control the frequency output of the oscillator. The frequency can be adjusted by varying the voltage applied to the capacitor. The frequency accuracy is highly dependent on the stability of the voltage applied.

Temperature-Compensated Voltage-Controlled Oscillator (TCVCO)

The TCVCO in VG-4231CE 32.7680M-PSBM0 is a specialized version of the VCO, which is designed to compensate for temperature fluctuations. This component works in conjunction with the quartz crystal to provide temperature compensation, allowing for a more stable frequency output. The TCVCO is also responsible for optimizing power consumption, allowing for a more efficient device.

Power Amplifier

The VG-4231CE 32.7680M-PSBM0 also features a power amplifier, responsible for amplifying the output signal of the oscillator. The power amplifier is specifically designed to increase the output power of the oscillator, allowing for more performance and better signal integrity.

In conclusion, VG-4231CE 32.7680M-PSBM0 is a highly accurate and reliable temperature compensated crystal oscillator that is widely used in automotive, aviation, and other electronic engineering industries. It integrates a quartz crystal, IC controller, VCO, TCVCO, and power amplifier to ensure a stable, precise, and reliable oscillator.

The specific data is subject to PDF, and the above content is for reference

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