High Precision TCXO

High Precision TCXO for Stable Frequency Control in GPS, Telecom, RF, and Timing Systems

High Precision TCXO: Reliable Timing for Critical Electronic Applications

A high precision oscillator TCXO, or Temperature-Compensated Crystal Oscillator, provides accurate and stable frequency output across changing temperature conditions. In advanced electronic systems, timing accuracy directly affects signal quality, synchronization, data integrity, and overall performance. That is why engineers use high precision TCXO solutions in GPS receivers, telecommunications equipment, LTE networks, base stations, CATV systems, LAN devices, test instruments, portable electronics, and defense applications.

Unlike a standard crystal oscillator, a TCXO uses temperature compensation circuitry to reduce frequency drift. As temperature changes, the oscillator actively corrects its output to maintain a stable frequency. This makes a high stability TCXO ideal for environments where heat, cold, vibration, or continuous operation can affect timing performance.

Modern high precision TCXO products combine compact SMD packaging, low phase noise, fast warm-up, wide frequency range, and excellent frequency stability. These features help designers build reliable systems without sacrificing board space or power efficiency.

What Is a Temperature-Compensated Crystal Oscillator?

A Temperature-Compensated Crystal Oscillator improves frequency accuracy by correcting the natural frequency variation of a crystal over temperature. Every crystal changes slightly as the surrounding temperature rises or falls. In applications such as GPS tracking, wireless communication, precision positioning, and measurement equipment, even small frequency errors can create performance problems.

A TCXO solves this challenge by using analog or digital compensation techniques. The compensation circuit adjusts the oscillator output so the frequency remains stable across the specified operating temperature range. Many high temperature oscillator TCXO models operate from -40°C to +85°C, while specialized versions support even wider temperature conditions, including -40°C to +105°C or -50°C to +85°C.

Why High Precision TCXO Performance Matters

High precision timing plays a major role in systems that depend on synchronization and accurate frequency references. A low phase noise TCXO helps reduce signal distortion, timing jitter, and unwanted frequency fluctuations. This improves communication reliability, positioning accuracy, and test repeatability.

Key benefits of using a high precision TCXO include:

Stable frequency output across temperature changes

Low phase noise for cleaner signal performance

Compact package options for miniaturized devices

Fast warm-up for quick system readiness

Excellent reliability in industrial and outdoor environments

Multiple output options, including CMOS, clipped sine, sine wave, LVDS, and LVPECL

Strong performance in telecom, GPS, RF, and instrumentation systems

BT0503D/E TCXO: Compact Ceramic Package with Side Pad

The BT0503D/E series offers stable frequency output in a compact ceramic package. It uses a reliable analog compensation technique to deliver dependable performance from 10MHz to 60MHz. Its small size and industrial temperature support make it suitable for space-conscious applications that still require strong frequency stability.

Key Specifications

Package: Ceramic package with side pad

Dimensions: 5. × 3.2mm

Frequency Range: 10MHz to 60MHz

Frequency Stability Over Temperature: ±.28ppm to ±1.5ppm at -40°C to +85°C

Phase Noise: -140dBc/Hz at 1kHz offset @ 10MHz

This model works well in industrial timing systems, compact communication modules, and precision electronic devices.

BT3225_RTC TCXO: Miniature Real-Time Clock Solution

The BT3225_RTC series uses a miniature 3.2 × 2.5mm package and supports real-time clock applications, portable instruments, and timing synchronization systems. Its small footprint makes it an excellent choice for modern miniaturized electronics.

With frequency stability up to ±5ppm, this TCXO improves timekeeping accuracy compared with standard timing components. It supports applications where compact size, low power, and reliable clock performance matter.

Common applications include:

Portable instruments

Real-time clock modules

GPS tracking devices

LAN equipment

Test and measurement devices

BT3225B Differential TCXO: LVDS and LVPECL Output for High-Speed Systems

The BT3225B Differential series provides a miniature 3.2 × 2.5mm SMD package with differential output support. It can provide LVDS or LVPECL output, making it suitable for high-speed digital systems, telecommunications hardware, and synchronization equipment.

Differential outputs help reduce noise sensitivity and improve signal integrity, especially in circuits that handle fast data rates or operate in electrically noisy environments.

BT0503C Stratum TCXO: Ultra-Stable and Fast Warm-Up

The BT0503C series delivers ultra-stable performance in a 5. × 3.2mm SMD package. It supports fast warm-up and Stratum-level timing requirements, making it a strong choice for telecom and network synchronization designs.

Key Specifications

Dimensions: 5. × 3.2mm

Frequency Range: 10MHz to 52MHz

Frequency Stability Over Temperature: ±.1ppm to ±.5ppm at -40°C to +85°C

Phase Noise: -140dBc/Hz at 1kHz offset @ 10MHz

This model suits applications where stable frequency control and quick operational readiness are essential.

BT0507A/B TCXO: Classic 7. × 5.mm Stratum III Level Oscillator

The BT0507A/B series is a classic high precision TCXO option with a 7. × 5.mm SMD package. It offers Stratum III level performance, industrial temperature operation, and excellent long-term reliability.

Key Specifications

Dimensions: 7. × 5.mm

Frequency Range: 10MHz to 52MHz

Frequency Stability Over Temperature: ±.05ppm to ±1.ppm at -40°C to +85°C

Phase Noise: -142dBc/Hz at 1kHz offset @ 10MHz

This series is well suited for LTE systems, BTS equipment, CATV networks, GPS tracking, and test instruments.

BT0503F Low Phase Noise TCXO: Analog Circuit for Tight Stability

The BT0503F series uses a reliable analog circuit to provide tight frequency stability and low phase noise. It is designed for applications that demand clean timing signals and consistent performance over industrial temperature ranges.

Key Specifications

Features: Low phase noise, high stability, analog compensation

Dimensions: 5.2 × 3.4mm

Frequency Range: 10MHz to 52MHz

Frequency Stability Range: ±.1ppm to ±.5ppm

Operating Temperature: -40°C to +85°C

Phase Noise: -150dBc/Hz at 1kHz offset

This TCXO fits precision communication, instrumentation, and synchronization systems that require strong signal purity.

BT0507C/D TCXO: Industrial Temperature with Metal Back Design

The BT0507C/D series features a 7. × 5.mm SMD package with a metal back structure. It provides high frequency stability, analog compensation, and output options such as clipped sine or CMOS.

Its rugged design and industrial temperature capability make it a practical choice for LTE, BTS, CATV, precision positioning, and test and measurement equipment.

BT0507N High Frequency TCXO: 80MHz to 125MHz Range

The BT0507N series supports high frequency applications with a nominal frequency around 100MHz and a frequency range from 80MHz to 125MHz. It combines high frequency output with ultra-low phase noise, making it ideal for RF systems and precision signal sources.

Key Specifications

Dimensions: 7. × 5.mm

Frequency Range: 80MHz to 125MHz

Frequency Stability Over Temperature: ±.28ppm to ±1.5ppm at -40°C to +85°C

Phase Noise: -146dBc/Hz at 1kHz offset @ 100MHz

BT0914A TCXO: Ultra-Stable Low Phase Noise Timing Source

The BT0914A series provides frequencies up to 125MHz in a 14. × 9.mm SMD package. It delivers low phase noise, ultra-stable output, and industrial-grade performance.

Key Specifications

Features: High frequency and low phase noise

Dimensions: 14. × 9.mm

Frequency Range: 10MHz to 125MHz

Frequency Stability Range: ±.1ppm to ±2.ppm

Typical Phase Noise: -145dBc/Hz at 1kHz offset @ 100MHz

This TCXO works well in telecom infrastructure, RF equipment, and high-reliability timing systems.

BT122 TCXO: DIP Package for Wide Temperature Applications

The BT122 series uses a DIP-style package and supports high frequency output, sine wave signals, frequency adjustment, and low phase noise performance. It is designed for applications that require stable operation across wide temperature conditions.

Key Specifications

Package Options: 14. × 9.mm and 12. × 20.mm

Frequency Range: 10MHz to 125MHz

Frequency Stability Range: ±.1ppm to ±2.ppm

Typical Phase Noise: -145dBc/Hz at 1kHz offset @ 100MHz

BT3225AH TCXO: Miniature Stratum III Level Precision

The BT3225AH series offers high precision, high stability, and low phase noise in a miniature 3.2 × 2.5mm SMD package. It supports CMOS output and common nominal frequencies such as 20MHz, 25MHz, and 40MHz, with custom frequencies available.

Key Specifications

Dimensions: 3.2 × 2.5mm

Frequency Range: 20MHz to 60MHz

Frequency Stability Range: ±.28ppm to ±.5ppm

Operating Temperature: -40°C to +105°C

Phase Noise: -142dBc/Hz at 1kHz offset @ 20MHz

This model suits compact telecom, timing, and portable electronic designs.

BT0914A Vibration Insensitive TCXO: Built for Defense Applications

The BT0914A Vibration Insensitive series is designed for defense and rugged applications. It combines strong vibration resistance, low dynamic phase noise, high precision, and ultra-stable performance in a compact 9 × 14mm package.

Key Specifications

Dimensions: 9 × 14mm

Frequency Range: 50MHz to 156.25MHz

Frequency Stability vs. Temperature:

±.28ppm to ±.5ppm at -40°C to +85°C

±.5ppm to ±1.ppm at -50°C to +85°C

Features: Super vibration resistance, high precision, low phase noise

This TCXO is ideal for aerospace, defense electronics, radar systems, and high-reliability communication equipment.

Applications of High Precision TCXO Technology

High precision TCXOs support a wide range of critical applications, including:

GPS tracking and positioning systems

LTE and BTS telecommunications equipment

CATV and LAN infrastructure

Test and measurement instruments

Portable and battery-powered electronics

RF and microwave systems

Defense and aerospace equipment

Real-time clock synchronization

Precision positioning systems

Choose a High Precision TCXO for Long-Term Frequency Accuracy

A High Precision TCXO gives engineers the stable timing foundation needed for demanding electronic systems. With compact SMD packages, wide frequency options, low phase noise, industrial temperature support, and excellent stability, these oscillators help improve synchronization, reduce drift, and strengthen overall system performance.

Whether your design requires a miniature real-time clock TCXO, a Stratum III level telecom oscillator, a high frequency RF timing source, or a vibration-insensitive TCXO for defense use, the right temperature-compensated oscillator can deliver the accuracy and reliability your application demands.

As one of crystal oscillator manufacturers, we will do our best to meet all the needs of customers.