Previous Chapter：Solenoid valve: classification and how to clean it (detailed steps) Next Chapter：What is a DIN H8 Battery? H6 vs H7 vs Din H8 Battery

What is pxv1220s-3dbn4-t02

Post Date：2024-10-12

What is pxv1220s-3dbn4-t02

‌What is pxv1220s-3dbn4-t02?pxv1220s-3dbn4-t02 is an attenuator‌, specifically, it is a temperature compensated chip attenuator with an attenuation of 3dB and an insertion loss of 0.0047dB/dB, suitable for application scenarios that require temperature compensation‌1.

Manufacturer:/td>	Susumu
Product Category:	Attenuators
RoHS:	Details
Brand:	Susumu
Packaging:	Reel
Packaging:	Cut Tape
Packaging:	MouseReel
Product Type:	Attenuators
Series:	PXV
Factory Pack Quantity:	200
Subcategory:	Wireless & RF Integrated Circuits
Technology:	Si

The pxv1220s-3dbn4-t02 is manufactured by Susumu, a brand with a certain reputation and credibility in the electronic component market. The main features of this attenuator are its stable performance and reliability, and it is suitable for various electronic devices that require precise control of signal strength‌．

pxv1220s-3dbn4-t02 , https://www.jinftry.com/news/What-is-pxv1220s-3dbn4-t02

The PXV1220S-3DBN4-T02 is produced by SUSUMU and has a temperature compensation function, which can maintain stable attenuation performance at different operating temperatures. The product has an attenuation of 3dB and an accuracy of +/-0.5dB, is suitable for 50 ohm systems, and has a maximum power of 63mW. These features make the PXV1220S-3DBN4-T02 perform well in applications that require high precision and high stability.

Advantages of the PXV1220S-3DBN4-T02

Temperature compensation design: The product has a temperature compensation design that can maintain stable performance under different temperature environments, ensuring the reliability and consistency of the equipment.

High precision: The attenuation value of the attenuator is 3dB, and the tolerance is ±0.5dB, providing high-precision signal adjustment.

Reliability: The product complies with RoHS certification, indicating that it meets environmental protection standards during the production process and has a long service life and stability.

In addition, the PXV1220S-3DBN4-T02 also has the following technical parameters and specifications:

Frequency range: Applicable to the frequency range of 0~3GHz.

Power: The maximum power is 63mW, which is suitable for a variety of application scenarios.

Packaging: The 0805 package is used for easy circuit design and installation.

Application of pxv1220s-3dbn4-t02

‌PXV1220S-3DBN4-T02 is a temperature compensated chip attenuator, mainly used in situations where precise control of signal strength is required. ‌

Specific application scenarios of PXV1220S-3DBN4-T02 attenuator include but are not limited to the following aspects:

‌Communication equipment‌: In communication equipment, PXV1220S-3DBN4-T02 can be used to adjust signal strength to ensure the stability of the signal during transmission.
‌Test instrument‌: In electronic test instruments, this attenuator is often used for calibration and measurement to ensure the accuracy of test results.
‌RF system‌: In RF system, PXV1220S-3DBN4-T02 can be used to adjust the strength of RF signals to adapt to different operating frequencies and power requirements.

Working principle of attenuator

The working principle is mainly to reduce the signal energy by introducing a predetermined attenuation. ‌ Attenuators are energy-consuming components that are widely used in electronic devices. Their main uses include adjusting the size of signals in circuits, directly reading the attenuation value of the measured network in comparison measurement circuits, and improving impedance matching. Attenuators can achieve signal attenuation through a variety of mechanisms, including light absorption, light scattering, light reflection, and dislocation technology.

‌Light absorption‌ is the most common attenuation method. It absorbs part of the incident light through materials such as optical fibers doped with metal ions or special absorbing glass, thereby reducing the intensity of the optical signal.
‌Light scattering and light reflection‌ use the microstructure of the material or multi-layer thin film technology to scatter or reflect the optical signal, thereby reducing the intensity of the light propagating in a straight line.
‌Dislocation technology‌ achieves the attenuation effect by fine-tuning the core position of the two optical fibers, causing the optical signal to have eccentric core loss during transmission.

Function of attenuator

‌ Adjusting the signal size‌: The attenuator can adjust the size of the signal in the circuit to protect the receiving device from damage caused by excessive input signals.
‌ Protecting the receiving device‌: By controlling the signal power, the device is prevented from being damaged or malfunctioning due to signal overload.
‌Improve impedance matching‌: In electronic devices, attenuators can improve the port impedance matching between two devices to ensure compatibility between devices.
‌Smooth output power‌: In wireless communications, attenuators can make the signal transition smoothly and avoid signal distortion, especially interference during channel transmission.
‌Prevent signal overload‌: Some devices have a limit on the power of the input signal. Attenuators control the signal power to avoid device damage or failure caused by signal overload.
‌Adapt the signal‌: When you need to connect one device to another, the attenuator can adapt the signal so that the two can match each other.

AFQ About Attenuator

‌Why is the signal attenuated too much‌?
Phenomenon: The output signal strength is significantly weakened.
Cause: The attenuator insertion loss is too large or there is a problem with the transmission medium such as the connector or cable.
Solution: Check the attenuator insertion loss specification to ensure that the transmission medium is well connected.
‌
Attenuator reflection loss‌?
Phenomenon: The signal is reflected during transmission, resulting in signal distortion.
Cause: Impedance mismatch in the transmission path.
Solution: Optimize the impedance matching of the transmission path and use matching terminal resistors.

‌High-frequency performance degradation‌?
Phenomenon: The attenuation of high-frequency signals increases significantly during transmission.
Cause: The dielectric constant and dielectric loss tangent of the material increase with increasing frequency.
Solution: Select attenuators and transmission media suitable for high-frequency applications.

‌Attenuator temperature is too high‌?
Phenomenon: The operating temperature of the attenuator rises abnormally.
Cause: The power exceeds the rated value of the attenuator.
Solution: Ensure that the input power is within the rated range of the attenuator and strengthen the heat dissipation design.

‌Attenuator intermodulation distortion‌?
Phenomenon: Unnecessary frequency components appear in the signal.
Cause: Nonlinear characteristics of the material.
Solution: Select a low intermodulation attenuator and avoid high-power input.

‌Attenuator insertion loss is unstable‌?
Phenomenon: The insertion loss of the attenuator changes with the environment.
Cause: Material aging or temperature changes.
Solution: Calibrate regularly to ensure a stable working environment.

‌Attenuator return loss is poor‌?
Phenomenon: Severe signal reflection affects signal quality.
Cause: Poor connection or impedance mismatch.
Solution: Optimize the connection and ensure that all connectors are well grounded.

Attenuator noise increases?
Phenomenon: Random noise is mixed in the signal.
Cause: Electromagnetic interference in the transmission path.
Solution: Strengthen shielding measures to reduce electromagnetic interference sources.

Attenuator has poor long-term stability?
Phenomenon: Attenuator performance changes over time.
Cause: Material aging or poor use environment.
Solution: Select high-quality materials and optimize the use environment.

Attenuator is sensitive to vibration and impact?
Phenomenon: Attenuator performance degrades after vibration or impact.
Cause: The structure is fragile and cannot withstand external mechanical influences.
Solution: Enhance the mechanical strength of the attenuator and use anti-vibration measures.