YAT-1A+ is a specialized Single-Output Ku-Band Low-Noise Block Downconverter (LNB)
Specifications
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Mini-Circuits
Part Number:
YAT-1A+
Description:
Single-Output Ku-Band Low-Noise Block Downconverter (LNB)
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Ku-Band LNB single-output
,low-noise block downconverter Ku-Band
,Mini Circuits Ku-Band LNB
Introduction
YAT-1A+ Single-Output Ku-Band Low-Noise Block Downconverter (LNB)
The YAT-1A+ is a specialized Single-Output Ku-Band Low-Noise Block Downconverter (LNB), a critical component in satellite reception systems tailored for Ku-band signal acquisition and processing. It integrates high-sensitivity signal capture, ultra-low-noise amplification, and precise frequency downconversion into a compact, weather-resistant design. Its primary function is to receive weak Ku-band microwave signals transmitted by communication satellites (via a paired satellite dish), process them with minimal signal degradation, and convert them into standardized intermediate frequency (IF) signals for transmission to satellite receivers or set-top boxes.
Key Functions
Ku-Band Signal Reception & Low-Noise Amplification
- Target Signal Band: Specifically optimized for receiving Ku-band satellite signals, typically covering the standard frequency range of 10.7GHz–12.75GHz—this band is widely used for satellite television (TV), digital video broadcasting (DVB), and small-scale satellite data services.
- High-Sensitivity Capture: Equipped with a standard feedhorn interface (compatible with most Ku-band satellite dishes, e.g., 45cm–120cm diameter), it efficiently captures weak signals that have undergone long-distance transmission and atmospheric attenuation.
- Ultra-Low-Noise Amplification: Integrates a high-performance Low-Noise Amplifier (LNA) with an ultra-low noise figure (NF), usually as low as 0.2dB–0.3dB. This ensures weak input signals are amplified significantly without introducing excessive background noise, a critical prerequisite for maintaining signal clarity and decoding accuracy.
Precise Frequency Downconversion
- Necessity of Downconversion: High-frequency Ku-band signals experience severe attenuation when transmitted over coaxial cables, making direct long-distance transmission impractical. The YAT-1A+ solves this by downconverting signals to a manageable intermediate frequency (IF) range of 950MHz–2150MHz.
- Stable Local Oscillator (LO): Utilizes a high-stability LO (typically with frequency stability of ±1ppm or better) to mix with the received Ku-band signals, ensuring no frequency drift or signal distortion during downconversion. This stability guarantees consistent signal quality for downstream devices.
Single IF Signal Output
- Features a single standard F-type coaxial output interface, which transmits the processed (amplified and downconverted) IF signal to a single satellite receiver, set-top box, or DVR (Digital Video Recorder). The output is optimized for low insertion loss, ensuring minimal signal degradation during transmission to indoor receiving equipment.
Robust Performance & Environmental Adaptability
- High Signal Gain: Provides a total gain of 55dB–65dB, compensating for signal losses caused by coaxial cable transmission (especially over longer distances) and ensuring downstream devices can reliably detect and decode signals.
- Anti-Interference Filtering: Built-in band-pass filters suppress out-of-band interference (e.g., terrestrial microwave noise, adjacent-band signals) and harmonic distortions generated during processing, significantly improving the signal-to-noise ratio (SNR).
- Weather-Resistant Design: Housed in corrosion-resistant die-cast aluminum or similar materials, with an IP-rated protection level (e.g., IP65) to resist rain, dust, humidity, and extreme temperatures (typically operating within -40°C to +60°C). This design ensures stable performance in outdoor environments where satellite dishes are installed.
Typical Applications
Residential Satellite TV Reception
- Primary Use Case: The most common application is pairing with a Ku-band satellite dish for home satellite TV viewing. It connects directly to a single set-top box or integrated TV with satellite reception capabilities, enabling access to free-to-air (FTA) or subscription-based Ku-band satellite TV channels (e.g., international programming, regional sports, news). For example, it is widely used in homes to receive signals from global Ku-band satellite constellations.
Small-Scale Single-Terminal Data Reception
- Suitable for small offices, home offices (SOHO), or remote locations requiring single-path Ku-band data services. It can receive low-bandwidth satellite data (e.g., weather updates, news feeds, or small-volume private data) and transmit it to a single data terminal or computer, supporting basic satellite-based communication needs where wired/internet access is limited.
Single-Device Viewing & Recording
- For users who need to watch and record satellite content with a single device: connect the YAT-1A+ to a DVR-integrated satellite receiver. The LNB provides a stable signal feed that allows the device to simultaneously display live TV and record programs to internal storage, meeting personal content capture needs.
Replacement for Legacy Single-Output LNBs
- Serves as a direct replacement for aging or faulty single-output Ku-band LNBs in existing residential or small-scale satellite systems. Its compatibility with standard Ku-band dishes and DVB-S/DVB-S2/DVB-S2X compliant receivers makes it a cost-effective upgrade to restore or improve signal quality.
Core Advantages
- Superior Signal Integrity: The ultra-low noise figure and high gain ensure clear, stable reception—even for weak signals in areas with suboptimal satellite coverage—reducing issues like image freezing, audio dropouts, or signal loss.
- Easy Integration: Compatible with all standard Ku-band satellite dishes and mainstream satellite receivers/set-top boxes, requiring no specialized tools for installation (typically mounted on the dish's feed arm and connected via coaxial cable).
- Durable Outdoor Reliability: The weather-resistant housing and industrial-grade components ensure long-term operation in harsh outdoor conditions, minimizing maintenance requirements and replacement frequency.
- Cost-Effective: As a single-output LNB, it offers a budget-friendly solution for users with only one satellite receiving device, avoiding unnecessary costs associated with multi-output models.
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