Ultra Low Phase Noise in low phase noise oscillator (TCXOs)
ultra low phase noise TCXO plays a pivotal role in enhancing system performance across a wide array of high-precision applications. Phase noise, which represents fluctuations in the phase of the signal produced by an oscillator, can significantly affect the clarity and integrity of the signal in communication systems, radar, and navigation equipment. When phase noise is minimized to ultra-low levels in TCXOs, these systems can achieve higher sensitivity, better signal-to-noise ratios, and improved overall reliability.
Ultra Low Phase Noise TCXO Types
BT0503A
Dimensions: 5.0x3.2mm
Frequency Range: 10~52MHz
Frequency Stability Range: ±0.05~±0.5ppm
Operating Temperature: -40~85℃
Phase Noise: -150dBc@1kHz
Features: High Temperature Stability, Low Phase Noise, Analog Circuit
BT0503C
Dimensions: 5.0x3.2mm
Frequency Range: 10~52MHz
Frequency Stability Over Temp.: ±0.1±0.5ppm@-4085℃
Phase Noise: -140dBc@1kHz@10MHz
Features: Ultra Stable, Fast Warming-Up, Stratum 3
BT0503D/E
Dimensions: 5.2x3.4mm
Frequency Range: 10~60MHz
Frequency Stability Over Temp.: ±0.28±1.5ppm@-4085℃
Phase Noise: -140dBc@1kHz@10MHz
Features: Ceramic Package, With Side Pad, Industrial Temperature
BT0507A/B
Dimensions: 7.0x5.0mm
Frequency Range: 10~52MHz
Frequency Stability Over Temp.: ±0.05±1.0ppm@-4085℃
Phase Noise: -142dBc@1kHz@10MHz
Features: Stratum Ⅲ Level, Ultra Stable, Wide Temperature Range
BT0507C/D
Dimensions: 7.0x5.0mm
Frequency Range: 10~60MHz
Frequency Stability Over Temp.: ±0.28±0.5ppm@-5585℃
Phase Noise: -150dBc@1kHz@10MHz
Features: Metal Back, Industrial Temperature, Clipped Sine or CMOS Output
BT0507E
Dimensions: 7.0x5.0mm
Frequency Range: 10~60MHz
Frequency Stability Over Temp.: ±0.28±0.5ppm@-5585℃
Phase Noise: -150dBc@1kHz@10MHz
Features: Extreme Low Phase Noise, Ultra Stable
BT0507M
Dimensions: 7.0x5.0mm
Frequency Range: 80~125MHz
Frequency Stability Over Temp.: ±0.28±1.5ppm@-4085℃
Phase Noise: -146dBc@1kHz@100MHz
Features: High Frequency Range, Ultra Low Phase Noise
BT0914A
Dimensions: 14.0x9.0mm
Frequency Range: 10MHz~125MHz
Frequency Stability Range: ±0.1ppm~±2.0ppm
Typical Phase Noise: -145dBc@1kHz@100MHz
Features: Ultra Stable, Low Phase Noise, High Frequency
BT1220
Dimensions: 14.0x9.0mm; 12.0x20.0mm
Frequency Range: 10MHz~125MHz
Frequency Stability Range: ±0.1ppm~±2.0ppm
Typical Phase Noise: -145dBc@1kHz@100MHz
Features: Ultra Wide Operating Temp, Low Phase Noise, Frequency Adjustment, Sine Wave Output
BT3225AH
Dimensions: 3.2x2.5mm
Frequency Range: 20~60MHz
Nominal Frequency: 20, 25, 40MHz
Frequency Stability Range: ±0.28~±0.5ppm
Operating Temperature: -40~105℃
Phase Noise: -142dBc@1kHz@20MHz
Features: High Precision, High Stability, Low Phase Noise
BT0914A_Vibration Insensitive
Dimensions: 9.2x14.2mm
Frequency Range: 50~156.25MHz
Frequency Stability Vs. Temp.: ±0.28±0.5ppm@-4085℃, ±0.51ppm@-5085℃
Features: Super Vibration Resistance, Ultra Stable, High Precision, Low Phase Noise
Applications: Defence
BT1220H_Vibration Insensitive
Dimensions: 20x12mm
Frequency Range: 50~156.25MHz
Frequency Stability Vs. Temp.: ±0.28±0.5ppm@-4085℃, ±0.51ppm@-5085℃
Features: Super Vibration Resistance, Ultra Stable, High Precision, Low Phase Noise
Applications: Defence
BT2020H_Vibration Insensitive
Dimensions: 20x20mm
Frequency Range: 50~156.25MHz
Frequency Stability Vs. Temp.: ±0.28±0.5ppm@-4085℃, ±0.51ppm@-5085℃
Features: Super Vibration Resistance, Ultra Stable, High Precision, Low Phase Noise
Applications: Special Environments
BT2525H_Vibration Insensitive
Dimensions: 25×25mm
Frequency Range: 50~156.25MHz
Frequency Stability Vs. Temp.: ±0.28±0.5ppm@-4085℃, ±0.51ppm@-5085℃
Features: Super Vibration Resistance, Ultra Stable, High Precision, Low Phase Noise
Applications: Special Environments
Understanding the Impact of low phase noise crystal oscillator on System Performance
ultra low phase noise oscillator in TCXOs significantly enhances system performance across various high-precision applications. crystal oscillator phase noise, representing fluctuations in the phase of the signal produced by an oscillator, can affect the clarity and integrity of signals in communication systems, radar, and navigation equipment. Minimizing phase noise to ultra-low levels in low phase noise TCXO allows these systems to achieve:
Higher Sensitivity: Improved detection capabilities in radar and communication systems.
Better Signal-to-Noise Ratios: Enhanced clarity and reduced errors in signal transmission.
Improved Reliability: Consistent performance in challenging environments, crucial for defence and aerospace applications.
The Science Behind Achieving Ultra Low Phase Noise in TCXOs
Achieving ultra low phase noise in TCXOs involves optimizing both the physical properties of the crystal oscillator and the electronic circuitry used for temperature compensation:
High-Quality Crystal:
Crystal Cut and Mode of Vibration: Optimized to reduce phase noise.
Material Quality: High-purity crystals with minimal defects.
Advanced Temperature Compensation Circuit:
Analog and Digital Techniques: Fine-tune the oscillator’s response to temperature variations.
DSP Algorithms: Minimize frequency drift contributing to phase noise.
Optimized TCXO Design:
Component Selection: Low-noise voltage regulators, high-quality varactor diodes.
Circuit Layout: Careful shielding and grounding to minimize electronic interference.
By meticulously optimizing these factors, manufacturers can produce TCXOs with exceptionally low phase noise, suitable for the most demanding applications.
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